IPC-TM-650 EN 2022 试验方法1.pdf - 第359页
IPC -TR -48 3 Figure 1 All dimensions are in in ches. Four measurements are requir ed as indicated. Locate measuring points approximately 12.7mm [0.500 in] from each edge in the fill direction, and 25.4 mm [1.00 in] from …
Figure 1 Laminate Dielectric
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IPC-TR-483
Figure 1 All dimensions are in inches. Four
measurements are required as indicated. Locate
measuring points approximately 12.7mm [0.500 in] from
each edge in the fill direction, and 25.4 mm [1.00 in] from
each edge in the warp direction.
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IPC-TM-650
Number
Subject Date
Revision
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