IPC-D-859.pdf - 第79页
IPC-859-6-17 Figure 6–17 T est Coupons—top conductor pattern December 1989 IPC-D-859 73
IPC-859-6-15
Figure 6–15 Test Coupons—insulation layer
COUPON H
COUPON L
COUPON J
COUPON K
COUPON G
IPC-859-6-16
Figure 6–16 Test Coupons—via fill
COUPON G
IPC-D-859 December 1989
72
IPC-859-6-17
Figure 6–17 Test Coupons—top conductor pattern
December 1989 IPC-D-859
73
IPC-859-6-18
Figure 6–18 Added test circuitry—via test
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G3
G2 G1
I1
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H3 H2
F3 F2
H1
F1
D1
D2
D3
A1
A2
A3
B1
B3
B2
C1
C2
C3
F1
F3
F2
I3
I4
IPC-D-859 December 1989
74