Large Flexible Circuits Fine Line FPC With Coil Design
(FPC’s are custom-made products, the picture and parameters shown are just for reference)
General description
This type of flexible PCB is build on polyimide with fine line coils for the application of GPS tracking systems. It’s a 2 layer board at 0.15mm thick. The base laminate is from Shengyi. It’s fabricated per IPC 6012 Class 2 using supplied Gerber data. Polyimide stiffener is applied on the inserting part.
Parameter and data sheet
| Number of Layers | 2 |
| Board Size | 160 x 165mm=1PCS |
| Board Type | Flexbile cirucit |
| Board Thickness | 0.15mm +/-10% |
| Board Material | Polyimide (PI) 25um |
| Board Material Supplier | ITEQ |
| Tg Value of Board Material | 60℃ |
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| PTH Cu thickness | ≥20 um |
| Inner Iayer Cu thicknes | N/A |
| Surface Cu thickness | 35 um (1oz) |
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| Coverlay Colour | Yellow |
| Number of Coverlay | 2 |
| Thickness of Coverlay | 25 um |
| Stiffener | NO |
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| Type of Silkscreen Ink | NO |
| Supplier of Silkscreen | NO |
| Color of Silkscreen | NO |
| Number of Silkscreen | NO |
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| Mininum Trace (mil) | 4 mil |
| Minimum Gap(mil) | 4 mil |
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| Surface Finish | Immersion Gold |
| RoHS Required | Yes |
| Famability | 94-V0 |
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| 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 |
Features and benefits
Excellent flexibility
Reducing the volume
Weight reduction
Consistency of assembly
Increased reliability
The end can be whole soldered
Low cost
Continuity of processing
Quick and on-time delivery
Make delivery on time. We keep higher than 98% on-time-delivery rate.
Applications
Keypad FPC, Industrial control computer soft board, consumer ETC (Electronic Toll Collection ) soft board,
Basic Types of Flexible Circuit
There are five basic types of flexible circuits as described below:
1. Single-Sided Flexible Circuits
This is the simplest type, and consists of a thin and flexible base material to which a copper foil is laminated by means of an adhesive. The finished circuit is frequently provided with a covercoat bonded to the copper side by means of an adhesive.
2. Double-Sided Flexible Circuits
As the name suggests, the circuit consists of a thin and flexible base material with copper foil laminated to each side. The outer sides of the finished circuits are frequently provided with covercoats bonded to the outer sides (copper).
3. Multilayer Flexible Circuits
A multilayer flexible circuit consists of a number of thin and flexible base laminates and copper foils laminated together by means of adhesive, in very much the same way as rigid multilayer boards. Also it is common practice to bond covercoats to the outer sides (copper).
4. Flex-Rigid Circuits
A flex-rigid circuit is a combination of rigid boards and flexible circuits, the latter creating flexible interconnects between the rigid boards to which they are laminated by means of bond plies.
5. Flexible Circuits with Rigid Areas
In some cases, the flexible circuit must support a number of relatively heavy components or even a connector part. Therefore it is necessary to reinforce such an area. This is accomplished by bonding a stiffener to that area. The stiffener can be an extra layer of not too thin polyimide, or it can be a glass/epoxy laminate.
More Displays of Large Flexible Circuits
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Large Flexible Circuits Fine Line FPC With Coil Design Images
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