Flexible PCB, FPCB, is a printed circuit board with graphics made of flexible substrate, consisting of an insulating substrate and a conductive layer, between which there can be a binder. between the insulating substrate and the conductive layer can have a binder. Because Flexible PC has a continuous automated production, high wiring density, light weight, small size, wiring error less, flexible and can be flexible to change the shape of Flexible PC is widely used in military, defense and consumer electronics such as digital cameras, watches, laptops and other fields.
FPC PCB Technics Capacity of OPCBA.COM
| No. | Item | Description | Data and Model |
| 1 | FPC Main material | Brand | taiflex、graceth）、SY |
| 2 | PCB Material | Brand | SY、ITEQ、KB |
| 3 | Texture | Texture Brand | PI、 PET |
| 4 | Cover Film | Brand | taiflex、graceth、SY |
| 5 | Max Layers | LAYER | 1-14layers（sample）、1-12layers(manufacture） |
| 6 | Finish Board thickness | mm | 0.25-6.0mm(samplel） Rigid – Flex PCB 0.25-6.0mm |
| 7 | Min Pattern Width / Spacing | mm | 0.05mm/0.05mm |
| 8 | Max finish board size | mm | 230*450mm |
| 9 | Finish Board thickness tolerance | mm | ±50.05mm |
| 10 | PP Thickness | um | 12.5um 、 25um 、 50um |
| 11 | Copper thickness | um | 12um 、 18um 、 36um 、 70um |
| 12 | Stiffener materail | Variety | FR4/PI/PET/SUS/PSA |
| 13 | Surface treatment | Variety | ENIG、Immersion tin、OSP、immersion silver、plating gold |
| 14 | Min hole size | mm | Mechanical Hole ：0.15mm 、Laser Hole0.1mm |
| 15 | Hole tolerance | mm | NPTH:±0.05mm 、PTH:±0.075mm |
| 16 | Cover film color | Variety | Yellow 、 Black |
| 17 | PI thickness | mil | 0.5mil、0.7mil、0.8mil、1mil、2mil |
| 18 | Max number of layers of FPCB | 1-8layers | |
| 19 | Min finished size | mm | 5mm*8mm |
| 20 | Min pad | mm | inner layer（5mil）、outer layer（4mil） |
| 21 | Stiffener min size | mm | 4mm×5mm |
| 22 | Stiffener max size | mm | 32mm×32mm |
| 23 | Stifferner alignment accuracy | mm | ±0.075mm |
| 24 | Cover minimum openning size | mm | 0.6×0.6mm(steeling tooling)、0.5×0.5mm(Precision tooling) |
| 25 | Minimum openning spacing for covering film | mm | 0.5mm(Precision tooling)、0.2mm（Laser Routing）、 0.15mm(Normal drilling) |
| 26 | Coating film overflow amount（unilateral） | mm | Normal0.08-0.12mm 、 Limitation0.03mm |
| 27 | Min diameter of gold finger semicircle hole | mm | 0.25mm，Normal value0.3mm |
| 28 | Rigid-Flex PCB：Peel-off strength | N | 1.4N |
| 29 | Rigid-Flex PCB：Planeness | um | Less than 15um before baking; less than 30um after baking |
| 30 | Rigid-Flex PCB：thermal shock | ℃ | 288℃（3 times within 10 seconds） |
| 31 | Rigid-Flex PCB：W/B gold wire pull | g | > 6g |
| 32 | Rigid-Flex PCB：min.board thickness | mm | FPCB 0.1mm、4Layers 0.3mm、6Layers 0.5mm、8Layers 0.6mm、 10Layers0.8mm |
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