You know how everything’s getting smaller these days? Phones, watches, even medical stuff. And inside all of that, there’s a board, right? Not the stiff kind. I’m talking about the ones that fold, bend, curl around a curve without snapping in half. That’s a flexible PCB.

I’ve had to explain this to a few people, and the easiest way I put it is, it’s like the nervous system of modern tech, but way more cooperative. If you’ve ever heard someone mention flex pcb assembly, they’re talking about how these bendy boards get built. And yeah, it’s a real process. It’s not like just soldering stuff on a plastic sheet and calling it a day.

We’ll go into all of that here. What makes these boards work, why china flex pcb assembly is such a thing now, and how flex circuit assemblies end up inside your gear without you even realizing it.

1. What Is Flexible PCB Assembly?

Okay, so here’s the deal. A flexible PCB is basically a circuit board that… doesn’t act like a board. You can twist it, fold it, fit it into spaces where rigid ones would snap like a cracker. Sounds cool? It is. But that also means putting them together, assembling them, is a bit more of a dance.

See, in flexible pcb assembly, you’re not just dealing with regular copper on fiberglass. You’ve got polyimide and other materials that can stretch or warp if things get too hot or too rough. That’s where pcb assembly flexible comes into play, everything needs to move and stay functional.

Now, I’ve seen people try to treat them like rigid boards. Doesn’t end well. Cracks. Bad connections. You name it. But when it’s done right? These boards go into medical gear, wearable tech, automotive dashboards, anywhere space is tight but performance still matters.

Honestly, I didn’t even realise how common flex circuit assemblies were until I opened up my fitness tracker. It’s all packed in so tight, yet somehow nothing’s disconnected. That’s the magic of good assembly. Tight spaces, strong bonds, no room for errors.

You can think of it like the difference between a hardcover book and a rolled-up magazine. One stays flat no matter what. the other adapts to wherever you put it. That adaptability makes flex PCBs perfect for things like hearing aids, foldable phones, and even small satellites, where space isn’t just limited. it’s non-existent.

2. The Flex PCB Assembly Process (It’s Trickier Than You Think)

The flex pcb assembly process isn’t just a carbon copy of rigid board manufacturing. There’s a bit more finesse involved, more moving parts, literally and figuratively.

Here’s how it usually goes:

2.1 Material Prep

You’re not dealing with stiff boards anymore. Flex PCBs need layers that bend but don’t break. Typical stack:

Copper foil (very thin, very delicate);

Polyimide (flexible, heat-resistant);

Sometimes PET (cheaper but less heat-tolerant).

You laminate these together carefully. If there’s a wrinkle or bubble? That’s a failed board right there.

2.2 Design with Movement in Mind
This is where most early mistakes happen.

Traces should curve, not turn at sharp angles;

Bend zones need space, no pads or vias in the danger zone;

Don’t pack components too close to folds.

This part isn’t about cramming as much as possible. It’s about letting the board breathe.

2.3 SMT Assembly (Surface-Mount Tech)
Now we add the brains.

The flex pcb smt assembly phase uses pick-and-place machines, but with adjusted handling:

Lower pressure to avoid damaging the thin substrate;

Tighter reflow profiles (too much heat = deformation);

Support plates or frames to keep the board flat during soldering.

Every step is dialed in. Flex boards won’t survive the “close enough” mindset.

2.4 Layering & Laminating (for Multi–layer Boards)
A lot of flex circuit assemblies are multi-layer, which means:

More adhesive layers;

More time in the press;

More chances to mess it up.

Alignment is everything. If one layer shifts, even slightly, the whole circuit could short, warp, or tear under stress.

That’s the core of the process. It’s slow, careful, and unforgiving, but if it’s done right, the final board will fold neatly into a hinge, wrap around a curve, or tuck inside a wearable device like it was made for it. Because it was.

One common issue? Tombstoning, where small components like resistors pop up on one side during reflow. It happens when the heat distribution isn’t perfectly balanced. On a flex board, which already warps under pressure, the risk is even higher. That’s why most flex pcb smt assembly lines use support fixtures or jigs to hold everything flat.

3. Rigid-Flex PCB Assembly and Manufacturing

Here’s where things get interesting. Imagine combining the best parts of both worlds, the sturdy, dependable base of a rigid board and the bendy, adaptable traits of a flex circuit. That’s a rigid-flex PCB. And no, it’s not just two boards taped together. It’s one, fully integrated structure.

A rigid-flex design has solid sections (where you usually mount the components) connected by flexible strips that can bend and fold to fit into oddly shaped spaces. These are the go-to choice for industries that need compact, reliable electronics, aerospace, medical devices, defense systems, even next-gen consumer gadgets.

What makes them so appealing?

Well, you get strength where it counts. Components stay anchored to the rigid parts, which are stable and don’t flex. But you also get flexibility where it’s needed, the connecting sections can twist and fold inside cramped housings without the need for bulky connectors or fragile ribbon cables. That’s fewer failure points, better signal integrity, and cleaner packaging overall.

The rigid flex pcb assembly process itself is a bit more involved than working with just flex or rigid boards. You’re laminating multiple layers together, alternating between rigid materials like FR4 and flexible layers like polyimide. And it all needs to be aligned perfectly. We’re talking microns of tolerance. If anything shifts, you’re looking at stress fractures, conductivity issues, or layers that just don’t line up.

Then comes rigid flex pcb manufacturing, which includes drilling, plating, imaging, etching, the works. Each layer gets treated differently depending on whether it’s part of the rigid section or the flex zone. That’s where the cost creeps in. You need manufacturers who specialize in these hybrids because a regular PCB shop might not have the setup to get this right.

In short: rigid-flex boards are more complex, yes. But if you want fewer connection points, cleaner internal design, and a board that can literally bend around your problems, this is what you go for.

4. China Flex PCB Assembly Process, Why It Leads the Market

There’s no getting around it, if you’ve looked into getting a flex PCB made, you’ve probably ended up on a Chinese manufacturer’s website. That’s not a coincidence. China flex pcb assembly is everywhere for a reason.

Actually, several reasons.

First off, scale. Chinese factories don’t just make a few batches here and there, they’re producing flexible pcb assembly units by the thousands daily. That kind of volume brings costs way down. But it’s not just about price. The tech is there too. Some of the most advanced flex pcb smt assembly lines are running out of Shenzhen, with automation, inspection systems, and materials on par with global standards.

Then there’s speed. Once you finalize a design, many of these companies can move into production almost immediately. That’s a big win if your timeline’s tight.

But it’s not all plug-and-play. Some manufacturers overpromise, others cut corners. That’s why picking the right china flex pcb assembly partner matters more than people think.

The best ones:

Have actual engineers you can talk to;

Provide DFM feedback before printing;

Offer traceability, testing, and quality reports without being asked.

The cheaper options? They’ll run your file as-is, flaws and all, and you’ll find out when your boards arrive with lifted pads or bad vias.

So yes, China leads. But picking the right shop still takes some legwork.

5. Working with a Flex PCB Manufacturer

You’d think once you pick a manufacturer, everything just flows. Not quite. Choosing a flex pcb manufacturer, especially for anything more complex than a single-layer board, is half technical, half detective work.

Start by checking capabilities. Can they handle multi-layer pcb assembly flexible builds? What’s their track record with rigid flex pcb assembly? If you need special materials or odd shapes, do they have experience with that?

Then ask for examples. Any serious flex pcb manufacturer should be able to show off past projects, not just pictures, but yields, turnaround times, maybe even test reports. If they hesitate? Red flag.

Also, look at how they communicate. Some shops respond instantly and actually review your files. Others send templated replies that don’t answer anything. The good ones ask questions. They challenge unclear designs. They tell you when something might break.

And please, don’t skip testing. Whether it’s basic continuity or full electrical testing, you want it done before they ship. It’s a lot easier to catch bad soldering or shorts while the boards are still on their floor, not yours.

The takeaway: working with a good flex pcb manufacturer saves you time, money, and a whole lot of stress. But only if you vet them properly first.

And don’t assume all testing means the same thing. Ask if they do flying probe testing, impedance checks, or thermal cycling. A good flex pcb manufacturer will walk you through what’s included, and what costs extra. Always check the fine print.

6. Design & Assembly Tips for Better Flex PCBs

If there’s one place where most flex designs go sideways, it’s in the early planning stage. Not the materials. Not the tools. The design.

See, flexible pcb assembly isn’t just about building something that works. It’s about building something that holds up, through folding, heat, vibration, all of it. That takes planning.

A few tips that save a lot of headaches:

Never put pads or vias in bend zones. That’s the fastest way to tear a trace clean off.

Keep your bends wide. Sharp folds are cool in paper origami, not so much in PCBs.

Stagger your traces. Especially on multiple layers, you want even stress distribution.

Also, if you’re doing pcb assembly flexible work, watch how you’re placing components near the edges. Stuff too close to the flex junction tends to crack or peel over time. Not always right away, but give it a few thermal cycles and things get ugly.

And don’t overlook the basics:

Use fillets at corners;

Avoid 90-degree trace turns;

Include strain relief where needed;

Test your design in 3D, not just in your head.

Some of this sounds simple, but you’d be surprised how many failed flex circuit assemblies start from careless layouts. If you’re outsourcing, make sure your flex pcb manufacturer flags any red flags before production. If they don’t? That’s a red flag on its own.

The better your design, the easier the assembly. And the fewer surprises when you finally power it up.

7. The Future of Flexible PCBs and Assembly Technology

Flex PCBs aren’t just for weird-shaped gadgets anymore. They’re quietly becoming the foundation of the next generation of tech.

We’re talking thinner, faster, more rugged. The kind of stuff that doesn’t just fold, it bends dozens of times a day and still works like nothing happened.

Here’s what’s coming:

Wearables are exploding. Smart glasses, AR devices, health patches, all powered by flexible pcb assembly;

Flexible sensors are showing up in industries from fitness to automotive;

High-speed signal routing on flex boards is finally viable, thanks to better materials and design tools;

And AI? It’s not just for end-user products, it’s helping optimize the flex pcb assembly process itself, making inspections smarter and builds more consistent.

Even rigid flex pcb manufacturing is evolving. What used to take multiple manual steps can now be handled by semi-automated lines, with higher tolerances and fewer defects.

And yes, China flex pcb assembly shops are leading that charge, investing in equipment, automation, and talent to scale even faster.

The point is: if you’re working in hardware design or electronics manufacturing, ignoring flex tech now is like ignoring surface-mount in the nineties. It’s not the future. It’s already here.

We’re even seeing experiments with implantable electronics that monitor vital signs or deliver medication, all powered by ultra-thin flex boards. As materials improve, the line between electronics and biology keeps getting blurrier.

8. Flexible PCB Assembly FAQs

9. Summary

Flexible PCBs aren’t just clever, they’re essential. From wearables to satellites, they let electronics fit into smaller, tighter, more complex spaces. This guide breaks down how flex pcb assembly works, what makes rigid-flex designs special, and why China flex pcb assembly dominates the market.

It covers everything from materials and layouts to SMT techniques and design mistakes to avoid. You’ll also learn how to vet a flex pcb manufacturer, what testing really means, and where the tech is heading, like AI-optimized lines and even implantable devices. If you build hardware, this isn’t just good to know, it’s need-to-know.

Abstract: With the continuous upgrading of products, traditional printed circuit boards can no longer meet the needs of the PCB market, so flexible PCB have been introduced, and their market demand is growing. Medical, aerospace and consumer electronics use FPCs.

Flexible PCB is magical circuit boards that can bend, wrap, and fold flexibly and move in a narrow space like a snake. How does it do this? This article will reveal the answer to your question.

What Is FPC?

Flexible circuit boards, also called soft boards. There are many insulating substrates for flexible assembly, such as polyimide (PI), polyester film (PET), aramid fiber paper (Nomex), and polyvinyl chloride (PVC).

By embedding circuit design on plastic sheets, more electronic components can be arranged in order on the circuit board, thus realizing a flexible circuit board.

The birth of flexible PCB breaks through the traditional interconnection technology. It is popular because of its lightweight, high flexibility, thin thickness, bendability, and foldability. It is easy to install.

Flexible printed circuit appeared in the United States in the 1970s to develop space rocket technology. It is used in many fields due to its excellent properties.

Advantages of FPC

1) High Flexibility

This feature allows the circuit board to be bent and folded freely without damage. It can be arranged in any spatial layout, moved, and stretched in a small space. It is conducive to SMT assembly.

2) Lightweight and Thin

It makes the circuit board layout more compact, thus reducing the product size, reducing the product weight, and making it easier to carry. It also promotes the development of high-density, high-reliability, and miniaturization of electronic products.

If the product needs to consider the space question, then flexible circuit boards are the best choice.

3) Improve Design Flexibility

Due to its lightweight, thin thickness, and flexibility, there are multiple circuit board design plans during circuit design. It increases the PCB‘s manufacturability, reliability, and performance.

In addition, flex PCB also has the advantages of good heat dissipation and solderability, easy installation, and low overall cost.

Flexible Circuit Board Classification

1) Single-Sided Flexible Board

Use single-sided PI flexible copper-clad board material. After completing the circuit, cover it with a protective film to form a single conductor circuit board. It has the lowest cost.

When the electrical performance requirements are not high or adopting single-sided wiring, single-sided flexible boards should be selected—for example, printer inkjet cartridges and computer memory.

2) Double-Sided Flexible Board

Use double-sided PI flexible copper-clad laminate material. After completing the circuit, a layer of protective film is covered on both sides to form a dual-conductor circuit board.

3) Multilayer Flexible Board

Multilayer flexible boards stack up three or more layers of circuit boards together, forming metalized holes through drilling and electroplating to form conductive paths between layers.

Although the number of PCB layers is unlimited, we should consider component assembly and PCB manufacturability during PCB layout design.

4) Rigid-Flex PCB

Rigid-flex PCB is a combination of rigid PCB and flexible PCB selectively stacked together. It has the advantages of both rigid and flexible circuit board (bendability and sturdy rigidity).

However, the price is higher, so when manufacturing this PCB, you should consider reducing the number of layers.

Flexible PCB Production Process

The production process here is for double-layer boards. The difference between the single-layer board and the double-layer board process is that single-layer boards do not require drilling and metallization holes.

Cutting: Cut the material into the required size according to the work order size requirements. The primary equipment is an automatic cutting machine and a manual cutting machine.

Baking: Dry the moisture in the substrate to avoid shrinkage, stratification, and other effects on subsequent production. The equipment is an oven, and the working parameters are 120°C for 2 hours.
Drilling: It refers to drilling holes and vias on the substrate. It prepares for subsequent processes or hole metallization. The primary device is a CNC drilling machine.

Black hole: Through the black hole in this step, a layer of conductive carbon powder is directly deposited on the hole wall PI, replacing the traditional copper deposition. It prepares for copper plating. The equipment is the black hole line.

VCP: It’s vertical conveyor plating, which uses copper electroplating to thicken the hole wall and surface copper according to the customer’s request.

Dry film pre-treatment: Clean the board surface using chemical cleaning to remove oxidation and surface roughening.
Dry film pasting: A layer of photosensitive dry film is pasted on the surface of the copper foil. They are completing this step in a dust-free workshop, and the equipment is an automatic film-pasting machine.
Exposure: According to the film exposure corresponding to the work order, the image of the circuit pattern film is transferred to the dry film. The device is the automatic exposure machine.

Development: Use sodium carbonate solution to dissolve the unexposed dry film to form a dry film pattern.
Etching: The copper foil not protected by the dry film is etched away to form a circuit.
Stripping: Remove the exposed dry film on the protective circuit. The developing, etching, and stripping equipment is a horizontal DES line.
Pre-treatment of covering film: the effect and method are the same as those of pre-treatment of dry film;
Paste the cover film: align the cover film with the marking line.Then, paste the cover film on the board and use high heat to pre-fix the cover film.
The cover film plays an insulating and protective role on the circuit. The equipment includes an automatic cover film laminating machine, iron, etc.
Pressing and curing: Through high temperature and high-pressure pressing and high-temperature baking, the glue between the covering film and the board is cured to achieve the purpose of close bonding between the two. The primary equipment includes a pressing machine and oven;
Surface treatment: Flexible printed circuit surface treatment mainly includes immersion gold or gold plating.
According to customer requirements, metals such as nickel and gold are deposited on the exposed pads of FPC using chemical or electroplating principles. It protects the pads and maintains their solderability.
Electrical testing: Check whether there are open short circuits or four-wire defects through mechanical equipment. The primary device is an electrical testing machine and a flying probe tester.

Assembly: According to the alignment markings or hole positions, the reinforcement or electromagnetic film is attached to the product. The equipment includes automatic reinforcement and laminating machines, soldering irons, irons, etc.
Silk screen printing: Printing text ink onto products through the screen printing principle, mainly printing product models, production cycles, various component logos, etc.
The primary equipment includes a silk screen printer, oven, text inkjet printer, etc.

Molding: The final product shape of the customer is formed through mechanical or laser cutting. The equipment is a laser-cutting machine.
Final check: Check the appearance and surface condition of the product through manual visual inspection and equipment to separate good products from defective products.
Perform reliability testing on the product to confirm whether it meets customer requirements. The equipment includes CCD, AVI, reliability testing equipment, etc.
From the above introduction to each production process, we can see that FPC production requires different technologies. The production process is cumbersome and difficult. Therefore, compared with ordinary PCB, the manufacturing cost of flexible circuit boards is higher.
And it takes more time. However, FPC’s excellent flexibility, lightness, and reliability provide more possibilities for equipment and products in many fields. And it is increasingly favored by engineers.

Rigid PCB vs. Flexible PCB

1) Base Material

They use different substrates. Rigid circuit boards use glass fiber and epoxy resin, while flexible circuit boards use polyester film or polyimide.

2) Plasticity and Bendability

Flexible circuit boards have good bendability, can be folded and bent at will, and have strong plasticity. Rigid circuit boards cannot be bent and are used to arrange and stabilize electronic components.

3) Applicable Scenarios

flexible printed circuit board is primarily used in flexible circuits, such as flexible displays, automotive panels, and other products that need to be folded, bent, and reduced size.

PCB is suitable for general circuit boards of various specifications, such as control circuit boards, audio circuit boards, signal circuit boards, etc.

4) Features

Advantages of flexible PCB: lightweight, small size, can be used in a smaller space; high reliability, can withstand bigger bending and folding.
The disadvantages are high cost and complex manufacturing process; strong plasticity, easy accumulation of static charge, and prone to short circuits and failures.
The advantages of PCB: PCB assembly is simple and stable. Manufacturing costs are low. A high degree of automation can improve production efficiency.
The disadvantages are large size, heavy weight, not resistant to falling, and limited space structure.
In summary, different types of circuit boards have their advantages and disadvantages. So, we consider which circuit board to choose based on our product requirements, cost, performance, and environmental protection. Then, the PCB manufacturer will produce it.

Application of Flexible Circuit Boards

Flexible printed circuit board is widespread in many fields due to its excellent characteristics. The specific applications are as follows:

1) Consumer Electronics

In consumer electronics, flexible circuit boards are widely used, such as smartphones, laptops, etc. Taking smartphones as an example, they can achieve highly integrated design, making the phone thinner, more beautiful, and more reliable.

2) Medical Field

Flexible circuit boards are used for internal connections of wearable devices, medical instruments, and other products to improve the comfort and portability of the equipment.

3) Car

In the automotive field, flexible circuit boards can cope with complex circuit layouts and vibration environments, improving the safety and reliability of automobiles.

4) Aerospace

In aerospace, flexible circuit boards have become a vital choice for internal circuit connections in aircraft due to their lightweight and high reliability.
What to Consider When Choosing a flexible PCB Manufacturer?
Some questions you need to ask before choosing a flex circuit manufacturer:
• What are the specifications of your flexible circuit board, and can the manufacturer meet them?
• Is the flexible PCB manufacturer a professional proofing, small batch, or mass processor?
• Does the flexible printed circuit quality meet your requirements?
• Does your FPC budget cost match the manufacturer’s quotation?
• How quickly can FPC manufacturers deliver products?
Pcbandassembly has been working in the PCB industry for 12 years. We provide you with one-stop PCB assembly services. You can trust Pcbandassembly with everything from component procurement to PCB assembly.
We have a professional technical team and multiple PCB factories and PCB suppliers. If you need any PCB services, you can contact us.

What Is a Rigid-Flex Printed Circuit Board?

A flex-rigid pcb is a printed circuit board that combines a rigid circuit board and a flexible circuit board. Rigid circuit boards have good stiffness and strength, while flexible circuit boards have good flexibility and bendability. Rigid-Flex Printed Circuit Board have the advantage of rigid PCB and FCB.

Advantages of Rigid-Flex Printed Circuit Boards

• By eliminating the need for connectors and cables between individual rigid components, board size, and overall system weight can be reduced.
• By maximizing space to reduce component count .
• Fewer solder joints ensure higher connection reliability.
• Compared with flexible boards,Rigid-Flex Printed Circuit Board assembly iseasier.
• Simplify PCB assembly process.
• Using Rigid-Flex Printed Circuit Boards can substantially decrease logistics and assembly costs.
• It is possible to increase the complexity of the mechanical design, which also increases optimize the shell solution scheme.

Uses of Rigid-Flex PCB

Rigid-flex printed circuit boardsare mainly usedin the following areas:

• Adapt to Complex Shapes

rigid-flex PCB canaccordingto ourneedsbe cutor bent to fit complex shapes. It isusefulthat require working in small spaces, such as wearable Products and medical equipment.

• Improve Integration

rigid-flex PCB can integrate multiple components onto a single board, thus improving system integration and reliability.

• Decrease Costs

Rigid-flex printed circuit boards can reduce the number of circuit boards, thereby reducing manufacturing costs. It isusefulas a consumer electronic device.

Specific Applications of Rigid-Flex PCB

Rigid-flex printed circuit boards are used widely in many fields, including:

• Medical Field

In the medical field, rigid-flex printed circuit board applications are not limited to sensors and monitoring equipment but also include wearable medical equipment, medical imaging equipment, and surgical instruments. Its compact rigid flex PCB design and biocompatibility make it a key component of modern medical technology.

• Consumer Electronics

Rigid-flex printed circuit boards are alsowidely used in consumer electronics such as smartphones, tablets, TVs, anddigital cameras to achieve compact design, high performance, and reliability. These rigid-flex PCBs support various convenient technologies in modern life.

Future Development

As electronic products turn to smaller, lighter, and more flexible aspects of development.In the future，rigid-flexible circuit boards will be more widely used.
In the future, rigid-flex PCB will develop in the following aspects:

• higher Reliability

Rigid-flex circuit boards will use more advanced materials and processes to improvetheirreliability.

• lower Cost

The manufacturing cost of rigid-flex circuit boards will decrease, making them more popular.

• Wider Application

Rigid-flex printed circuit boards will be developedin new application areas such as foldable displays, flexible sensors, and flexible electronic devices.

Summary

Rigid-flex printed circuit boards have unique advantages,making themwidely used in many significant areas.
With the continuous development of technology,rigid-flex PCB will be more widely usedin the futureand willhave a profound impact on the design and manufacturing of electronic products.

What Is a Rigid-Flex PCB?

As the name suggests, it is a circuit board that integrates rigid PCB and flexible circuit board technology.
Rigid-flex technology can improve the PCB boards for bending stiffness, making them more stable and reliable during operation. Adding rigid components to PCB boards, such as metal plates or reinforcement materials, increases the mechanical strength of the PCB and reduces the possibility of PCB board deformation. At the same time, flexible components can improve their heat resistance and cold resistance.

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Advantages of Rigid-Flex PCB

• Minimize the number of parts by maximizing the space
• Fewer solder joints ensure higher connection reliability
• Easier handling during assembly compared to flexible boards
• Simplifying the PCB assembly process
• Reduce logistics and assembly costs
• Innovative design

Application of Rigid-Flex PCB

Rigid-flex PCBs are widely used in consumer electronics, medical devices, and automotive systems due to their unique advantages. As people’s demand for innovative and high-performance electronic products continues to grow, rigid-flex PCBs play a crucial role in promoting the progress of design, materials, and manufacturing technologies to support next-generation product development and utilization.

Our Rigid-Flex PCB Manufacturing Capabilities

feature	ability
Number of layers	2-32
quantity	1-10000+
quality level	Standard IPC 2
Build time	2-20 days
Request Quote	1-2 days
Material	DuPont, Fr4, polyimide
Board size	Minimum 6*6mm Maximum 457*610mm
Plate thickness	0.6-2mm
Copper thickness	0.5-2 oz
Surface treatment	Lead-free HASL – RoHS, immersion gold, electroplating gold, IM-Ag, electroplating silver, HASL
Drilling accuracy	+/-0.05mm
Other technologies	HDI gold finger reinforcement board (only suitable for PI/FR4 substrate)

Pcbandassembly Rigid-Flexible PCB Service Advantages

• Diversity of Services

Pcbandassembly provides various PCB manufacturing services, such as rigid-flex, flexible and rigid PCB, flex PCB prototyping, etc., to meet your project needs. You only need to tell us your demands, which will be satisfied at pcbandassembly.

• High-Quality

Pcbandassembly is committed to manufacturing high-quality PCBs, using the best materials and the most advanced technology and equipment to ensure the performance of PCBs. At the same time, we also have a complete supply chain, which allows us to purchase high-quality and low-priced materials to reduce manufacturing costs.

• Reasonable Price

We develop cost-effective solutions for rigid-flex PCB manufacturing, providing reasonable prices without influencing quality so that more customers can enjoy rigid-flex PCB services.

• Special Customization Service

We provide tailor-made rigid flex PCB fabrication to solve your project needs and adapt to design diversity.

• Strong Production Capacity

We have experienced experts and teams, multiple PCB manufacturing factories, more than 2,000 employees, and advanced automated production equipment and testing equipment to ensure that high-quality, high-performance PCBs arrive to your hand on time.

• Strong Production Capacity

We have experienced experts and teams, multiple PCB manufacturing factories, more than 2,000 employees, and advanced automated production equipment and testing equipment to ensure that high-quality, high-performance PCBs arrive to your hand on time.

If you have any questions about our rigid-flex PCB manufacturing or want to learn more about our PCB services (including but not limited to rigid-flex PCB), contact us now!

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What Is Flexible PCB?

Flexible printed circuit boards, also called Flexible PCBs or Flex PCBs, derive their name for their ability to enable the circuitry to be designed to fit the electronic device or product, as opposed to building the device to conform to the circuit board. Flex boards are characterized by a distinctly patterned printed circuitry and component arrangement highlighted by a malleable base material.

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What Are Advantages of Flexible PCB?

Flexible printed circuit boards offer a number of potential benefits including:
• Saving Space. Flex PCB design requires only about 10 percent of the space and weight of an ordinary circuit board assembly, offering greater installation and packaging freedom. The inherent flexibility also permits tighter bend capabilities.
• Maximum Reliability. A flexible printed circuit board requires fewer interconnects, which in turn requires fewer contact crimps, connectors and solder joints. Simply put, a flexible PCB board does not contain as many potential sources for failure, which enhances their reliability.
• Enhanced Capabilities. The flexible printed circuits boards are compatible with virtually any type of connector or component and works well with options such as ZIP connectors. They also perform extremely well in extreme temperatures and offer superior resistance to radiation and chemicals.
• Cost Savings. Cost-saving advantages of Flexible PCBs include reduced material and packaging demands, lower parts replacement costs and assembly errors that could result in the need for repairs.

These benefits make flex PCBs ideally fit for a wide range of applications in industries such as Military, Transportation, Medical, Consumer Electronics, Automotive, Aerospace, Communications and Industrial.

Pcbandassembly: A Leading Flex PCB Manufacturer for More Than a Decade

At PCBAndAssembly, we specialize in the fabrication and assembly of flexible PCB products for use in the manufacturing of medical devices and various types of telecommunication and industrial equipment. Our custom PCB manufacturing capabilities allow us to develop and produce a top-performing flex PCB that meets your unique requirements. We can also work with you to produce a custom flex PCB prototype that will significantly improve your prospects of a successful project outcome. For detailed capabilities, please refer to the following form.

Feature	Capability
Quality Grade	Standard IPC 2
Number of Layers	1 – 8layers
Order Quantity	1pc – 10000+pcs
Build Time	2days – 5weeks
Material	DuPont PI, Domestic Shengyi PI
Board Size	Min 6*6mm, Max 406*610mm
Board Thickness	0.1mm – 0.8mm
Copper Weight (Finished)	0.5oz – 2.0oz
Min Tracing/Spacing	3mil/3mil
Solder Mask Sides	As per the file
Solder Mask Color	Green, White, Blue, Black, Red, Yellow
Solder-stop coating—Soldermask oil	Green, White, Blue, Black, Red, Yellow
Solder-stop coating—Coverlay	PI and PET film
Silkscreen Sides	As per the file
Silkscreen Color	White, Black, Yellow
Surface Finish	HASL – Hot air solder leveling Lead – free HASL – RoHS ENIG – RoHS Immersion Tin – RoHS OSP – RoHS
Min Annular Ring	4mil
Min Drilling Hole Diameter	8mil
Min. hole size—Drilling (PTH)	0.2mil
Min. hole size—Punching (NPTH)	0.5mil
Tolerance of dimension	±0.05mm
Other Techniques	Peelable solder mask Gold fingers Stiffener (only for PI/FR4 substrate)

Our High-Quality Flexible PCB Manufacturing Process

A key reason why PCBAndAssembly is widely regarded as a top PCB manufacturer is our unwavering commitment to quality. Our experienced team checks each design and takes the time to review it with you prior to production. This ensures the circuit design is ready for manufacturing, and your boards will deliver the performance you expect. We guarantee the quality of our flex PCB parts and components.

Contact for Custom Quotation or Get More Information

For Flex PCB price, please submit a quote request by clicking below button to send us your PCB design file (Gerber format preferred | Preorder Checklist) & requirements, we’ll reply you by email as soon as possible.If you have any other more questions,please feel free to contact us.

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