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Product Detail

What is Semi-Flex PCB?

The most traditional manufacturing process of semi-flex PCB is adopting the bending FR-4 materials and making PCB according to the traditional rigid PCB manufacturing process, and then using the deep milling technology to thin the areas that need to be bended so that it has a certain degree of flexibility, so as to meet the requirements of assembly bending connection.

SEMI-FLEX length Calculator: (2 x Π x bend radius) x (bend angle/360°)

For example, bending 5 times over an angle of 180 degree with a radius of 5mm requires a minimum length of the semi-flex part of 15,7mm

YMS Semi-Flex PCB manufacturing capabilities:

YMS Semi-Flex PCB manufacturing capabilities overview
Feature	capabilities
Layer Count	2-20L，with 1 – 2 conductive layers in the flexible section
Rigid-Flex Thickness	0.5mm-5.0mm
PCB thickness in flex section	0.15-0.8mm ± 0.05mm
copper Thickness	1/4OZ-10OZ
Minimum line Width and Space	0.05mm/0.05mm(2mil/2mil)
Stiffeners	Stainless steel，PI， FR4 ，Aluminum etc.
Material	FR4,RA copper, HTE copper, adhesive,Bondply，coverlayer, flex soldermask
Min mechanical Drilled Size	0.15mm(6mil)
Min laser Holes Size:	0.075mm(3mil）
Surface Finish	Suitable Microwave/RF PCB urface finishes: Electroless Nickel, Immersion Gold, ENEPIG, Lead free HASL,Immersion Silver.etc.
Solder Mask	Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc.
Covrelay (Flex Part)	Yellow Coverlay, WhiteCoverlay,Black Coverlay