Brief Introduction of FPC
Flexible Printed Circuit Board (FPC) is referred to as "soft board". In the industry, FPC is a printed circuit board made of flexible insulating substrate (mainly polyimide or polyester film), which has many advantages that rigid printed circuit boards do not have. For example, it can be freely bent, wound, folded. The volume of electronic products can be greatly reduced by using FPC, which is suitable for the development of electronic products in the direction of high density, miniaturization and high reliability. Therefore, FPC has been widely used in aerospace, military, mobile communication, laptop, computer peripherals, PDA, digital camera and other fields or products.
FPC also has the advantages of good heat dissipation, solderability, easy mounting and low cost.
Flexible printed circuit board has one layer, two layers and multilayer board. The base material is polyimide clad laminate. This kind of material has high heat resistance and good dimensional stability. It is the final product through pressing with the coating film which has both mechanical protection and good electrical insulation. The surface and inner conductors of double-sided and multi-layer printed circuit boards are metallized to realize the electrical connection of inner and outer layers.
The function of flexible circuit board can be divided into four kinds, namely, lead line, printed circuit, connector and multifunction integrated system, which cover computer, computer peripheral auxiliary system, consumer household electrical appliance and automobile, etc.
FPC Case: Dual Layer Flex Printed Circuit Board With PI Stiffener on Head and Tail
(Flexible printed circuits are custom-made products, the picture and parameters shown are just for reference)
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 per IPC 6012 Class 2 using supplied Gerber data. Polyimide stiffener is applied on the inserting part.
Parameter and data sheet
Features and benefits
|Size of Flexible PCB
||130.18 X 20.5mm
|Number of Layers
|| Flexible PCB
||Polyimide 50 µm
|Board Material Supplier
|Tg Value of Board Material
|PTH Cu thickness
|Inner Iayer Cu thicknes
|Surface Cu thickness
|Number of Coverlay
|Thickness of Coverlay
|Type of Silkscreen Ink
|Supplier of Silkscreen
|Color of Silkscreen
|Number of Silkscreen
|Peeling test of Coverlay
||3M 90℃ No peeling after Min. 3 times test
|Thickness of Nickle/Gold
||Au: 0.03µm(Min.); Ni 2-4µm
|Thermal Shock Test
||Pass, -25℃±125℃, 1000 cycles.
||Pass, 300±5℃,10 seconds, 3 cycles. No delamination, no blistering.
||100% Pass electrical test
||Compliance with IPC-A-600H & IPC-6013C Class 2
Reducing the volume
Consistency of assembly
Controllability of electrical parameter design
The end can be whole soldered
Continuity of processing
Small quantity order is accepted
Engineering design prevents problems from occurring in pre-production.
Thin-film switch, mobile phone module flex board mobile phone module flex board
Based in China, Bicheng PCB adheres to the philosophy of helping small and medium sized companies reduce their cost and time spent on PCB. We provide a variety of PCB products to meet the demands.
Our Driving Circuit Boards Capabilities 2019
Blind vias, Buried vias
Heavy Copper Boards 12oz
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PCB Materials – FR-4, Polyimide, Rogers & More
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