BICHENG ENTERPRISE LIMITED

Specialized in heavy copper PCBs for 15 years

High Frequency PCB | Metal Core PCB | Flexible PCB

90%  export | UL, ISO 9001, ISO14001 and TS 16949 certified

 

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Flexible PCB

Customer Reviews
Kevin, Received and tested the boards - thanks very much. These are perfect, exactly what we needed. rgds Rich

—— Rich Rickett

Ruth, I got the PCB today, and they are just perfect. Please stay a little patience, my next order is coming soon. Kind regards from Hamburg Olaf

—— Olaf Kühnhold

Hi Natalie. It was perfect, I attach some pictures for your reference. And I send you next 2 projects to budget. Thanks a lot again

—— Seba T.

Kevin, Thanks, they were perfectly made, and work well. As promised, here are the links for my latest project, using the PCBs you manufactured for me:

—— Daniel F

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Flexible PCB

  • High Precision Flexible PCB suppliers
  • High Precision Flexible PCB suppliers
  • High Precision Flexible PCB suppliers
  • High Precision Flexible PCB suppliers
  • High Precision Flexible PCB suppliers

General Profile

A breakdown of a flexible circuit shows that it consists of 3 basic elements: copper foil, dielectric material and adhesive. Most of the manufacturing proceses, i.e. imaging transfer, plating and etching , are quite similar to those used when producing plated-through boards. However, there're differences due to the thin and floppy material used in flexible circuits.

 

Purpose of Flexible Circuits

1) To provide interconnections between printed circuit boards and other components.

2) To serve as three-dimensional substrates for the mounting of SMT components, e.g., in

photographic and video cameras.

3) To establish interconnections capable of withstanding dynamic flexing.

4) To form part of rigid-flex circuit boards.

 

Advantages

1) Flexibility

2) Volume decreases

3) Weight reduces

4) Consistency of SMD mounting

5) Reliability increases

6) Controllability of electrical design of parameters

7) Tin soldered overall on the FPC end

8) Material optional (PI, PET)

9) Low cost

10) Continuity of processing

 

Applications

Thin-film switch, capacitive touch screen / panel, keypad FPC, laser head FPC,

General purpose LED soft light strip, mobile phone built-in antenna FPC Touch screen,

Telephone receiver / earphone FPC, contact belt of inkjet printer, Toy lamp strip,

LCD module, instrument panel, flexible flat cable, display backlight etc.

 

Flex PCB Capability

No. Specifications Capabilities
1 Board Type Single layer, Doulbe layer, Multilayer, Rigid-Flex
2 Base Material PI, PET
3 Copper Weight 0.5oz, 1oz, 2oz
4 LED Maximum Size 250 x 5000mm
5 General Maximum Size 250 x 2000mm
6 Board Thickness 0.03mm-3.0mm
7 Thickness Tolerance ±0.03mm
8 Mininum Drill Hole 0.05mm
9 Maximum Drill Hole 6.5mm
10 Tolerance of Drill Hole ±0.025mm
11 Thickness of Hole Wall ≧ 8 um
12 Minimum Track/Gap of Single Layer Board 0.025/0.03mm
13 Minimum Track/Gap of Double Layer and Multilayer Board 0.03/0.040mm
14 Etching Tolerance ±0.02mm
15 Minimum Width of Silk Legend ≧ 0.125mm
16 Minimum Heigh of Silk Legend ≧0.75mm
17 Distance from Legend to Pad ≧0.15mm
18 Distance from Opening Solder Mask of Drill Coverlay to Track ≧0.03mm
19 Distance from Opening Solder Mask of Punching Coverlay to Track ≧0.03mm
20 Thickness of Immersion Nickel 100-300u"
21 Thickness of Immersion Gold 1-3u"
22 Thicnkess of Immersion Tin 150-400u"
23 Minimum Electrical Testing Pad 0.2mm
24 Minimum Tolerance of Outline(Normal Steel Mould Punch) ±0.1mm
25 Minimum Tolerance of Outline (Precision Steel Mould Punch) ±0.05mm
26 Mininum Radius of Bevel Angle (Outline) 0.2mm
27 Stiffner Material PI, FR-4, 3M Adhesive, PET, Steel Sheet
28 RoHs Yes
29 Solder Mask Colour Yellow, White, Black, Green

Flexible PCB

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Single-sided flexible PCBs Polyimide PCBs 0.15mm thick Flex PCBs with Immersion Gold FPC PCB

Product profile 1.1 General description This is a type of flexible printed circuit for the application of Monitoring Systems. It's a single layer FPC at 0.15mm thick. FR-4 as stiffner is used on the bottom side... Read More
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Product profile 1.1 General description This is a type of flexible printed circuit for the application of counter keypad. It’s a sinlge layer FPC at 0.15mm thick. The base laminate is from Shengyi, It’s ... Read More
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Product profile 1.1 General description This is a type of flexible printed circuit for the application of Controlled Access. It’s a 2 layer FPC at 0.25mm thick. The base laminate is from ITEQ, It’s fabricated ... Read More
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Product profile 1.1 General description This is a type of flexible printed circuit for the application of keypad. It’s a 2 layer FPC at 0.2mm thick. The base laminate is from ITEQ, It’s fabricated per IPC 6012 ... Read More
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Product profile 1.1 General description This is a type of 4 layer flexible circuit for the application of Industrial Systems. The base laminate is from ITEQ, It’s fabricated per IPC 6012 Class 2 using supplied ... Read More
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Product profile 1.1 General description This is a type of flexible printed circuit for the application of antenna. It’s a 2 layer FPC at 0.2mm thick. The base laminate is from ITEQ, It’s fabricated per IPC 6012 ... Read More
2018-12-11 08:44:51
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Product profile 1.1 General description This is a type of flexible printed circuit for the application of Power Electronics. It’s a single layer FPC at 0.25mm thick with 2oz copper. The base laminate is from ... Read More
2018-12-11 08:43:51
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Product profile 1.1 General description This is a type of Rigid flex PCB for the application of Micro USB. It’s a 4 layer rigid-flex board at 1.0mm thick. The base laminate is from ITEQ, It’s fabricated per IPC ... Read More
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Product profile 1.1 General description This is a type of flexible printed circuit for the application of Embedded System. It’s a single layer FPC at 0.15mm thick. The base laminate is from ITEQ, It’s ... Read More
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