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黄卡覆铜箔板及半固化片
A. 层压板厚度偏差
按IPC-4101 3.8.4.2 B/L级标准执行。(FR-4刚性板L级，芯板B级。)
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P-124 P-138
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P-121 P-123
(CEM-1 CEM-3)
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刚性板(FR-4)
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芯板 (FR-4)
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|
mm
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mm
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in
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in
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mm
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mm
|
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0.4
|
0.050
|
0.0040
|
0.0007
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0.6
|
0.064
|
|
a
|
a
|
0.0060
|
0.0010
|
a
|
a
|
|
0.6
|
0.064
|
0.0075
|
0.0015
|
a
|
a
|
|
a
|
a
|
0.0080
|
0.0015
|
0.8
|
0.100
|
|
0.8
|
0.100
|
0.0100
|
0.0015
|
a
|
a
|
|
1.0
|
0.100
|
0.0120
|
0.0020
|
a
|
a
|
|
a
|
a
|
0.0140
|
0.0020
|
1.0
|
0.100
|
|
1.2
|
0.130
|
0.0160
|
0.0020
|
a
|
a
|
|
1.5
|
0.130
|
0.0200
|
0.0025
|
a
|
a
|
|
1.6
|
0.130
|
0.0240
|
0.0025
|
1.2
|
0.130
|
|
a
|
a
|
0.0280
|
0.0025
|
a
|
a
|
|
2.0
|
0.180
|
0.0310
|
0.0040
|
a
|
a
|
|
2.4
|
0.180
|
0.0340
|
0.0040
|
1.5
|
0.130
|
|
a
|
a
|
0.0360
|
0.0040
|
a
|
a
|
|
3.0
|
0.230
|
0.0390
|
0.0040
|
a
|
a
|
|
3.2
|
0.230
|
0.0400
|
0.0040
|
1.6
|
0.130
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