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Multilayer Flexible Circuit 4-layer FPC Built on Polyimide With Black Solder Mask and Immersion Gold for Touch Screen

Multilayer Flexible Circuit 4-layer FPC Built on Polyimide With Black Solder Mask and Immersion Gold for Touch Screen

Brand Name:Bicheng
Certification:UL, ISO9001, IATF16949
Model Number:BIC-295.V1.0
Minimum Order Quantity:1PCS
Delivery Time:8-9 working days
Payment Terms:T/T
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Location: Shenzhen Guangdong China
Address: 6-11C Shidai Jingyuan,Fuyong, Baoan, Shenzhen, Guangdong, China 518103
Supplier`s last login times: within 1 hours
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Product Details

Multilayer Flexible Circuit 4-layer FPC Built on Polyimide With Black Solder Mask and Immersion Gold for Touch Screen

(Flexible printed circuits are custom-made products, the picture and parameters shown are just for reference)


General description

This is a type of flexible printed circuit for the application of keypad antenna. It’s a 2 layer FPC at 0.2mm thick. The base laminate is from ITEQ, It’s fabricated per IPC 6012 Class 2 using supplied Gerber data.


Parameter and data sheet

Size of Flexible PCB35.72 X 41.41mm
Number of Layers2
Board Type
Flexible PCB
Board Thickness0.20mm
Board MaterialPET 25µm
Board Material SupplierITEQ
Tg Value of Board Material60℃
PTH Cu thickness≥20 µm
Inner Iayer Cu thicknesN/A
Surface Cu thickness35 µm
Coverlay ColourBlack
Number of Coverlay2
Thickness of Coverlay25 µm
Stiffener MaterialNO
Stiffener ThicknessN/A
Type of Silkscreen InkIJR-4000 MW300
Supplier of SilkscreenTAIYO
Color of SilkscreenWhite
Number of Silkscreen1
Peeling test of CoverlayNo peelable
Legend Adhesion3M 90℃ No peeling after Min. 3 times test
Surface FinishImmersion Gold
Thickness of Nickle/GoldAu: 0.03µm(Min.); Ni 2-4µm
RoHS RequiredYes
Famability94-V0
Thermal Shock TestPass, -25℃±125℃, 1000 cycles.
Thermal StressPass, 300±5℃,10 seconds, 3 cycles. No delamination, no blistering.
Function100% Pass electrical test
WorkmanshipCompliance with IPC-A-600H & IPC-6013C Class 2


Features and benefits

Excellent flexibility

Reducing the volume

Weight reduction

Consistency of assembly

Increased reliability

Controllability of electrical parameter design

The end can be whole soldered

Continuity of processing

Quick and on-time delivery

Delivery on time: >98%


Applications

General purpose LED soft light strip, mobile phone module flex board, industrial control interphone


Clarifications of FPC

According to the combination of base material and copper foil, flexible circuit board can be divided into two types: flexible board with adhesive and flexible board without adhesive. The price of non-adhesive flexible PCB is much higher than that of adhesive flexible PCB, but its flexibility, bonding force between copper foil and substrate and flatness of solder are also better than that of adhesive flexible PCB. So it is only used in the high demand situations, such as the: COF (CHIP ON FLEX, flexible board with bare chip, the high flatness of the pad) and so on. Because its price is high, most of the flexible PCBs used in the market are still adhesive flexible circuit board. Because the flexible circuit board is mainly used in the situation where bending is required, if the design or process is not reasonable, it is easy to produce micro-cracks, welding and other defects.


Economy of using FPC

If the circuit design is relatively simple, the total volume is small, and the space is suitable, the traditional internal connection is much cheaper. Flexible circuits are a good design option if the circuit is complex, processes many signals or has special electrical or mechanical requirements. When the size and performance of applications exceed the capacity of rigid circuits, flexible assembly is the most economical. A 12mil pad with a 5mil through hole and a flexible circuit with 3mil lines and spacing can be fabricated on a thin film. Therefore, it is more reliable to mount the chip directly on the film. There is no flame retardant that could be an ion source. These films may be protective and solidified at higher temperatures to obtain higher glass transition temperatures. Flexible materials are less costly than rigid materials because they are free of connectors.


China Multilayer Flexible Circuit 4-layer FPC Built on Polyimide With Black Solder Mask and Immersion Gold for Touch Screen supplier

Multilayer Flexible Circuit 4-layer FPC Built on Polyimide With Black Solder Mask and Immersion Gold for Touch Screen

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