Transcription of PCB (Printed Circuit Board) 개요
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PCB (Printed Circuit Board) 개요
1 PCB ( printed Circuit Board) Briefing 2 ?II. PCB III. IV. V. VI. ? ( , ) . / (Copper Foil) , (Hole) PCB 4II. PCB 19301940196019702000199019801950 PCB (PualEisler) PCB (IBM ) PCB (Motorola ) PCB (Hazeltine )3640536169 FPC (Philips )8991P-BGA (IBM )Build-up (IBM )63728297 PCB PCB PCB Build-up PCB P-BGA CSP 9902FC-BGA 5 III.
Dry Film(Photo Resist)을적층하는공정 조도형성방법 표면조도: 0.5~1.5um Mylar layer: Polyester재질로투과 율과정전기등중요특성을가지 고Photosensitive Layer를보호함 Photosensitive layer: 고분자 화합물로되어있으며, UV (자외선)와반응하여경화 Cover layer: Polyethylene 재질로
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