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FR-4
- Board : FR-40
- Hole copper thickness : ≥20um
- Table copper thickness : ≥35um
- Line width/gap : ≥35um
- Minimum pore size : 0.275mm
- Solder resist color : yellow
- Surface treatment : OSP
- Special Process : BGA size 0.3mm, solder resist window opening 0.1mm
PROFESSIONAL PCB MANUF ACTURER