Flexble PCB

Flexible PCB Manufacturer

A flexible printed circuit board (PCB) is a PCB that is designed to be flexible rather than rigid, as traditional PCBs are. These boards are made of thin, flexible materials like polyimide or PET (polyethylene terephthalate) and are used in a variety of applications where a traditional PCB would be inconvenient due to space or design constraints.

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Flexble PCB Manufacturing Solutions

A flexible PCB, also known as flex prints or flex circuits, is a type of circuit board that can be bent into any desired shape. They're frequently found in high-density, high-temperature applications. Flexible printed circuit boards (PCBs) are ideal for use in compact devices or applications where the PCB must conform to a specific surface because they can be bent, twisted, or folded to fit into a specific shape or space. They are also advantageous in applications where the PCB must be flexible to withstand mechanical stress or vibration. Common applications for flexible PCBs include wearable devices, flexible displays, and portable electronic devices. They are also used in the automotive, medical, and military fields. Flexible PCBs are typically created through the etching process, in which a thin layer of copper is applied to the surface of the flexible material and then patterned with photolithography and etching to create the desired circuit traces. A protective layer is then applied to the flexible PCB to prevent corrosion and damage.

We can provide to...

  • Turn times as short as 24 hours
  • 1 to 100,000 units
  • Class II Inspection standard and Class III Inspection available
  • 100% on-time guarantee
  • DFM support
  • Lead free (RoHS) options
  • SMT and thru-hole capabilities
  • All SMT machine placed
  • AOI (Automated Optical Inspection)
  • Lead-free RoHS Certification and ITAR compliance screen available
  • Program Design
  • flex Board Capability
  • PCB manufacturing Capabilities
  • Equipment Exhibition

From component purchasing to function test and package finish , we provide one shop stop services for every types of PCB.

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Quick payment

Flexible payment options

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On-Demand Manufacturing

No MOQ or MPQ limited. Prototype or mass production order acceptable.

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Inspection Of Quality

90% of the technical staff have more than 10 years of industry experience

flex Board Capability

Layer Count 1-6L 1-4 L normal
Board Thickness 0.1-0.5mm (1-4L) 0.6-0.8mm (5-6L)
The tolerance of 1L board thickness ±0.03mm
The tolerance of 2L board thickness ±0.03mm
The tolerance of multilayer board thickness ±10% (Normal ±0.1mm)
The tolerance of multilayer board thickness ±10% (Normal ±0.05mm)
The tolerance of board thickness ±10% (Normal ±0.1mm)
The tolerance of board thickness 9inch*23inch(PI≥1mil) 9inch*14inch (normal)
Max finished board size 2mm*4mm(no connection tab);8mm*8mm(with connection tab)
Min finished board size 生益 SF305: PI=0.5mil, 1mil, 2mil; Cu=0.33OZ, 0.5OZ, 1OZ
Adhesive flex core 杜邦AP:PI=1mil,2mil,3mil,4mil;Cu=0.5oz,1oz, 2oz
Adhesiveless core 杜邦AP:PI=1mil,2mil,3mil,4mil;Cu=0.5oz,1oz, 2oz
Thermosetting adhesive 杜邦LF:0110,0210
PI stiffener 台虹 MHK 系列: PI=3mil, 5mil , 7mil, 9mil
3M tape 9077,9460
Finished copper thickness 12um / 18um 3/3mil
Finished copper thickness 35um 4/3.5mil
Finished copper thickness 70um 6/5mil
Solder mask bridge min. (copper thickness<=1oz) 4mil(Green),5mil(White),8.0mil(big copper area)
Solder mask opening (single side) 6mil,8mil(big copper area)
Solder mask opening of NPTH (single side) 3mil(partial2.5mil)
Min. coverlay bridge 8mil
Finished copper thickness 12um / 18um 5/5mil (after compensation)
Finished copper thickness 35um 6.5/5mil (after compensation)
Finished copper thickness 70um 10/8mil (after compensation)
Min. Inner layer annual ring width 4mil(<4L),7mil(4-6L),9mil(7-8L)
The min distance between inner layer isolated pad and copper area 3.5mil 4mil normal
Max finished inner layer copper thickness 3oz 2 oz normal
Finished copper thickness, before compensation 3/3mil
Finished copper thickness 35um, before compensation 3.5/3.5mil
Finished copper thickness 70um, before compensation 5.5/5mil
Finished copper thickness 35um, 3mil(<2mm);4mil(2-4.5mm)
Finished copper thickness 35-70um, 5mil(<2mm);6mil(2-4.5mm)
Finished copper thickness >70um, 7mil(<2mm);10mil(2-4.5mm)
Min the distance between NPTH edge to external conductor before compensation 4oz 2 oz normal
Max finished external copper thickness 8mil 5mil(Gold finger area)
The max board thickness for 0.15mm drill bit 0.8mm
Min laser hole diameter 0.1mm
Min finish half PTH via diameter 0.3mm
Min NPTH tolerance ±2mil(limit+0,-2mil or +2mil,-0)
Min space between via hole walls in different net, before compensation 10mil(after compensation) 12mil (normal)(after compensation)
Tolerance of stiffener tape ±0.1mm (Normal ±0.2mm)
Tolerance of Coverlay ±2mil ((Normal ±4mil)
Min distance between coverlay opening and conduct 3mil ((Normal 4mil)

PCB manufacturing Capabilities

Normal Tg FR4(Halogen free) Shengyi S1150
High Tg FR4(Halogen free) Shengyi S1165
HDI PCB material LDPP(IT-180A 1037,1086)、Normal 106,1080
High Tg FR4 Isola:FR408、FR408HR、IS410、FR406、GETEK、PCL-370HR
Ceramic Particle Filled Laminates Rogers:Rogers4350、Rogers4003;Arlon:25FR、25N;
PTFE Laminates Rogers、Taconic、Arlon、Nelco、TP
PTFE PP Taconic:TP、TPN、HT1.5(1.5mil)、Fastrise
Rigid PCB Back board、HDI、
Blind&buried via type Laminating≤3 times
HDI PCB 1+n+1、1+1+n+1+1、2+n+2、3+n+3
Lead free Flash gold、ENIG
aspect ratio 10:01:00
Max finished size HAL Leaded 22"*39"
MIN finished size HAL Leaded 5"*6"
PCB thickness HAL Leaded0.6-4.0mm;
MAX high to gold finger 1.5inch
Min space between gold fingers 6mil
Min block space to gold fingers 7.5mi
Max lamination cycle 3 times
Min laser drill for stacked via 0.1mm
Min stacked via pad size 0.3mm
Max laser drilling size 0.15mm
Blind Via Finished Hole Size 0.3mm
Buried Via Finished Hole Size 0.3mm
Non Conductive Filled Vias 0.2mm~0.8mm
Conductive Filled Vias 0.2~0.8mm
ENIG (Electroless Nickel/Immersion Gold) AU: 0.05~0.1um Nickel: 3~5um
Hard gold 0.1~1.0um
Soft gold 0.1~1.0um
Lead Free HASL 2~40um
Flash gold(electroplated gold) Au 0.025-0.10um,Nickel 3~5um
electroplated Gold finger Au 0.25-1.0um Nickel 3~5um
Selective Gold Au 0.25-1.0um Nickel 3~5um
Tin Nickel N/A
Immersion Silver 0.2~0.4um
Soldermask min. 8um, max. 30um
Min mechanical hole 4mil/6mil/8mi 0.8mm/1.5mm/2.5mm
Finshed mechanical hole size 0.1~6.0mm
MAX aspect ratio for Hole 12:01:00
Max aspect ratio for mechanical depth- control 1.3:1
Min. depth of Mechanical depth- control(backdrill) 0.2mm
Min gap between hole wall conductor 7mil
Min space between laser holes and conductor 5mil
Min space bwteen hole walls in different net 12mil
Min space bwteen hole walls in same net 8mil
Min space bwteen NPTH hole walls 10mil
Hole location tolerance '+/-3mil
NPTH tolerance '+/-0.05mm
Pressfit holes tolerance '+/-0.05mm
Countersink depth tolerance '+/-0.15mm
Countersink hole size tolerance '+/-0.15mm
Min Pad size for laser drillings 0.25mm
Min Pad size for mechanical drilling 0.4mm
Min Pad size for mechanical drilling 0.3mm
Min BGA pad size 0.4mm
Pad size tolerance(BGA) '+/-2mil
Min lead pitch 0.3mm
Min BGA ball pitch 0.3mm
Internal Layer 1/3OZ: N/A
Internal Layer 1/2OZ: 3.5/3.5mil
Internal Layer 1OZ: 3/4mil
Internal Layer 2OZ: 4/5mil
External Layer 1/3OZ: 3/3mil
External Layer 1/2OZ:3.5/3.5mil
Width tolerance ≤10mil:+/-20%
Min copper pour to Pour 7mil
Min copper pour to trace 4mil
Min copper pour to microvia 8mil
Min copper pour to buired via 4mil
Min copper pour to SMD Pad 5mil
Min copper pour to PTH Pad 5mil
Soldermask color Semi Gloss greeen\Gloss Green\Matte Green\Black\Red\Blue\Yellow
Solder Mask Min Dam Size 4mil
Solder Mask Min Dam Size in BGA Area 4mil
Solder Mask Registration '+/-4mil
Silkscreen color White, yellow , black
Min width of soldermask bridge White, yellow , black
Min width of soldermask bridge 4mil
Min. Diameter Rout Cutter Available 0.6mm
Routed Part Size Tolerance '+/-0.15mm
V-CUT symmetrical tolerance '+/-0.1mm
MAX V-CUT lines 80 lines
V-CUT angle tolerance '+/-5 degress
V Score, Edge to Copper H≤1.0mm:0.3mm(20°)、0.33mm(30°)、0.37mm(45°);
V Score, Edge to Copper 1.0<H≤1.6mm:0.36mm(20°)、0.4mm(30°)、0.5mm(45°);
V Score, Edge to Copper 1.6<H≤2.4mm:0.42mm(20°)、0.51mm(30°)、0.64mm(45°);
V-CUT angle 20、30、45 degree
Gold finger bevelling 20、30、45、60 degree
Gold finger bevelling tolerance '+/-5 degree
Min space of gold finger chamfering 6mm
Min gap between the side of 8mil
Layer count 1~28 layer
PCB thickness 0.4~6..0mm
PCB thickness tolerance˄Normal Thickness : ±10%(>1.0mm);±0.1mm(≤1.0mm);
PCB thickness tolerance˄Special ˅ Thickness ±0.1mm(≤2.0mm);±0.15mm(2.1-3.0mm)
Min bow&twist 0.75%
Controlled Impedance Tolerance '+/-10%
Testing methods Flying probe testing, Test fixture
Quality standards IPC II, IPC III

Testing Procedures

Flexible printed circuit boards (FPCBs) are a type of circuit board made of flexible materials such as polyimide or polyester that are used in a variety of electronic applications. A flexible PCB manufacturer’s manufacturing capacity refers to the maximum number of FPCBs that the manufacturer can produce in a given period.

The equipment and technology used, the efficiency of the manufacturing process, and the availability of skilled labor are all factors that can impact a flexible PCB manufacturer’s manufacturing capacity. Some flexible PCB manufacturers may have a higher manufacturing capacity due to the use of advanced equipment and automation, whereas others may have a lower manufacturing capacity due to reliance on manual processes or a smaller workforce.

Flexible PCB manufacturers must carefully manage their manufacturing capacity to meet demand while also maximizing efficiency and profitability. This could include investing in new equipment or technology, training employees, or optimizing the manufacturing process to boost productivity.

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Flexble PCB asked questions

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Michaela ★★★★★

The assembled PCBs that were delivered worked flawlessly. The component placement is excellent. Mis wang, the WINOW engineer in charge of our project, and I hit it off right away. She asked pertinent questions to ensure that the project was properly completed. We had a very nice, short, and to-the-point conversation.

Herbert ★★★★★

This board is required to charge my robotic platform's lipo batteries (rover). Excellent communication throughout the ordering process, manufacturing progress, and delivery tracking for a first-time order. Very reasonable price, especially for the first order with a credit for a discount.

Al Lemke ★★★★★

The boards arrived yesterday, and assembly has begun. Excellent solder wetting, crisp line definition, and drill holes precisely in the center of via lands.
Please convey my appreciation to everyone who created such fantastic boards.

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Rated 9.0 Out Of 10 Based On 100,000+Reviews, Please feel free to inquire

Why Choose Us?

WINOW has been providing high-quality PCBs with fast turnaround times and high customer satisfaction since 2018. We are one of China's largest and most skilled board manufacturers.

  • icon_hock Orders for prototypes are processed within 24 hours.
  • icon_hock PCB prototypes and small-batch manufacturing typically take 5-7 working days.
  • icon_hock Small batch production and some PCB prototypes have a 48-hour lead time.
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Quick payment

Flexible payment options

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On-Demand Manufacturing

There is no minimum order quantity or purchase quantity. Orders for prototypes and mass production are both accepted.

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Inspection Of Quality

90% of the technical staff has over ten years of industry experience.

Technical Strength

PCB Assembly can be changed at any time to meet the needs of the customer in terms of ICT, veneer, aging, and ATE.

Quick Delivery and Comprehensive Support