BICHENG ENTERPRISE LIMITED

High Frequency PCB | Metal Core PCB | Flexible PCB

RO4350B / 4003C | RT/duroid 5880/ 5870 | RF-35TC / TLY-5

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Flexible PCB | Impedance controlled Flex PCB | Polyimide Flex 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 Sample Introduction

Flexible PCB | Impedance controlled Flex PCB | Polyimide Flex PCB

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Product Details:

Place of Origin: China
Brand Name: Bicheng Enterprise Limited
Certification: UL
Model Number: BIC-0489-V4.89

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: USD70~80
Packaging Details: Vacuum
Delivery Time: 7-8 working days
Payment Terms: T/T, Paypal
Supply Ability: 45000 pieces per month
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Detailed Product Description
Board Material: Polyimide Substrate 0.076mm Board Thickness: 0.2mm +/-10%
Surface Cu Thickness: 35 Um (1oz) Surface Finish: Immersion Gold
Coverlay Colour: Yellow Color Of Silkscreen: N/A
Function: 100% Pass Electrical Test

Product profile

 

1.1 General description

 

This is a type of flexible PCB built on polyimide 76 micron substrate with 90 ohm

impedance controlled on 0.15mm/0.3mm track and gap for the application of

Wireless Broadband. It's standard 0.20 mm thick with yellow solder mask (coverlay)

on both sides and immersion gold are on pads. FR-4 as stiffener is on the head and

tail. The base material is used from Shengyi, entire board supplying 1 up flex per

panel. They're fabricated per IPC 6012 Class 2 using supplied Gerber data. Each

25 pieces are packed for shipment.

 

1.2 Features and benefits

 

A. Excellent flexibility;

B. Reducing the volume;

C. Weight reduction;

D. Consistency of assembly;

E. Increased reliability;

F.  Powerful PCB capabilities support your research and development,

     sales and marketing;

G. Delivery on time with higher than 98% on-time-delivery rate;

H. Team with passion, discipline, responsibility and honesty;

I.   No minimum order quantity. 1 piece is available;

 

1.3 Application

 

Flexible flat cable, Industrial control temperature controller soft board, medical

equipment controller, automobile GPS navigation flex board, tablet keypad flex

board, display backlight

 

1.4 Parameter and data sheet

PCB Size:

116 X 108mm = 1 PCS

Number of Layers

2 layers

Board Type

Flexbile PCB

Board Thickness

0.2mm +/-10%

Stackup

TOP FR-4 Steffener 0.8mm

PI coverlay 0.025mm

Copper top 0.035mm finish

Polyimide substrate 0.076mm

Copper top 0.035mm finish

PI coverlay 0.025mm

Board Material Supplier

Shengyi

Tg Value of Board Material

60℃

 

PTH Cu thickness

20 um

Inner Iayer Cu thicknes

N/A

Surface Cu thickness

35 um (1oz)

 

Coverlay Colour

Yellow

Number of Coverlay

2

Thickness of Coverlay

25 um

Stiffener

FR-4 0.8mm

 

Type of Silkscreen Ink

N/A

Supplier of Silkscreen

N/A

Color of Silkscreen

N/A

Number of Silkscreen

N/A

 

Minimum via (mm)

0.3

Minimum Trace (mil)

5.90

Minimum Gap(mil)

11.8

 

Surface Finish

Immersion Gold

RoHS Required

Yes

Famability

94-V0

 

Thermal Shock Test

Pass, -25℃±125℃, 1000 cycles.

Thermal Stress

Pass, 300±5℃,10 seconds, 3 cycles.

No delamination, no blistering.

Function

100% Pass electrical test

Workmanship

Compliance with IPC-A-600H & IPC-6013C Class 2

Type of artwork to be supplied

email file, Gerber RS-274-X, PCBDOC etc

Service area

Worldwide, Globally.

 

 

The Variety of flexible PCBs

Flexible PCB | Impedance controlled Flex PCB | Polyimide Flex PCB

 

Legend inkjet printer

Flexible PCB | Impedance controlled Flex PCB | Polyimide Flex PCB

Contact Details
BICHENG ENTERPRISE LIMITED

Contact Person: Ms. Bonnie Shi

Tel: 86-755-27374946

Fax: 86-755-27374947

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