8 Year Exporter Semi Flex Fpc - Popular Design for China Smart Electronics Mobile Phone PCB Board Android PCBA PCB Circuit Boards PCB – Yongmingsheng

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Printed Circuit Board Introduction

A printed circuit board (PCB) mechanically supports and electrically connects electrical or electronic components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate. Components are generally soldered onto the PCB to both electrically connect and mechanically fasten them to it.PCBs can be single-sided (one copper layer), double-sided (two copper layers on both sides of one substrate layer), or multi-layer (outer and inner layers of copper, alternating with layers of substrate). Multi-layer PCBs allow for much higher component density, because circuit traces on the inner layers would otherwise take up surface space between components. The rise in popularity of multilayer PCBs with more than two, and especially with more than four, copper planes was concurrent with the adoption of surface mount technology.

Types-of-PCB YMSPCB

 What is the difference between a Countersink and a Counterbore?

Counterbore and Countersink

YMS Normal PCB manufacturing capabilities:

YMS Normal PCB manufacturing capabilities overview
Feature capabilities
Layer Count 1-60L
Available Normal PCB Technology Through hole with Aspect Ratio 16:1
buried and blind via
Hybrid High Frequency Material such as RO4350B and FR4 Mix etc.
High Speed Material such as M7NE and FR4 Mix etc.
Material CEM- CEM-1;CEM-2;CEM-4;CEM-5.etc
FR4 EM827, 370HR, S1000-2, IT180A,  IT158,   S1000 / S1155, R1566W, EM285, TU862HF,NP170G etc.
High Speed Megtron6, Megtron4, Megtron7,TU872SLK,   FR408HR,N4000-13 Series,MW4000,MW2000,TU933 etc.
High Frequency Ro3003, Ro3006, Ro4350B, Ro4360G2, Ro4835, CLTE, Genclad, RF35, FastRise27 etc.
Others Polyimide, Tk, LCP, BT, C-ply, Fradflex, Omega   , ZBC2000,PEEK,PTFE,ceramic-based  etc.
Thickness 0.3mm-8mm
Max.copper Thickness 10OZ
Minimum line Width and Space 0.05mm/0.05mm(2mil/2mil)
BGA  PITCH 0.35mm
Min mechanical Drilled Size 0.15mm(6mil)
Aspect Ratio for through hole 16:1
Surface Finish HASL, Lead free HASL,ENIG,Immersion Tin, OSP, Immersion Silver, Gold Finger, Electroplating Hard Gold, Selective OSP,ENEPIG.etc.
Via Fill Option The via is plated and filled with either conductive or non-conductive epoxy then capped and plated over(VIPPO)
Copper filled, silver filled
Registration ±4mil
Solder Mask Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc.

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