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FR-4

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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

Product description

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

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