4 Layers Rigid Flex PCB

1.Commodity Introduction:

4 layers rigid flex PCB is a type of rigid-flexible PCB for the application of Wireless Security System. It's a 4 layer rigid-flex PCB at 1.6mm thick at rigid part. The base laminate is from Shengyi. It's fabricated per IPC 6012 Class 2 using supplied Gerber data.
Rigid-Flex PCB's are thermal management circuit boards which use a Flexible material as the heat radiator part of the PCB. They are used in high heat generating application like LED lighting in the area of high power LED lighting, Automotive Interior, Exterior Lighting, Parking Garage Lighting, LED spot light etc. The metal core can be aluminum (aluminum core PCB) and copper (copper core PCB). The most common used aluminum core PCB is the thermal conductivity at 1W/MK and 2W/MK.

2.Basic Information:

Size of Flexible PCB	71.25 X 80.38
Number of Layers	4
Board Type	Rigid-Flexible PCB
Board Thickness	0.25mm
Board Material	Polyimide (PI) 25µm
Board Material Supplier	ITEQ
Tg Value of Board Material	60ºC

PTH Cu thickness	≥20 µm
Inner Iayer Cu thicknes	35 µm (1oz)
Surface Cu thickness	35 µm (1oz)

Coverlay Colour	Black
Number of Coverlay	2
Thickness of Coverlay	25 µm
Stiffener Material	FR-4 / Stainless steel
Stiffener Thickness	1.0mm / 0.2mm

Type of Silkscreen Ink	IJR-4000 MW300
Supplier of Silkscreen	TAIYO
Color of Silkscreen	White
Number of Silkscreen	1

Peeling test of Coverlay	No peelable
Legend Adhesion	3M 90ºC No peeling after Min. 3 times test

Surface Finish	Immersion Gold
Thickness of Nickle/Gold	Au: 0.03µm(Min.); Ni 2-4µm
RoHS Required	Yes
Famability	94-V0

Thermal Shock Test	Pass, -25ºC±125ºC, 1000 cycles.
Thermal Stress	Pass, 300±5ºC,10 seconds, 3 cycles. No delamination, no blistering.
Function	100% Pass electrical test
Workmanship	Compliance with IPC-A-600H & IPC-6013C Class 2

3.Product Show:

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