IPC-D-859.pdf - 第75页
IPC-859-6-7 Figure 6–7 Individual layer artwork configuration December 1989 IPC-D-859 69
IPC-859-6-6
Figure 6–6 Test Coupon E (Layer 2)
W = 8 mm [0.315in]
L
1.5 mm
[0.059 in]
Typ. 2 Pl.
1.5 mm
[0.059 in]
Land size: 1.5 x 1.5 mm
[0.059 x 0.059 in] square
(Typ.)
Conductor Width - 0.3 mm [0.012in]
Conductor Space - 0.2 mm [0.008in]
L = (N x 3 mm) + 3 mm
+ 20 mm [0.79 in]
1.5 mm
[0.059 in]
(Typ.)
0.6mm
[0.024 mm]
0.6mm
[0.024 mm]
2.0 mm [0.079 in]
[0.118 in] [0.118 in]
IPC-D-859 December 1989
68
IPC-859-6-7
Figure 6–7 Individual layer artwork configuration
December 1989 IPC-D-859
69
IPC-859-6-8
Figure 6–8 Test Coupon F
IPC-859-6-9
Figure 6–9 Coupon G
IPC-859-6-10
Figure 6–10 Test Coupon H
IPC-859-6-11
Figure 6–11 Test Coupon J
IPC-859-6-12
Figure 6–12 Test Coupon J
IPC-859-6-13
Figure 6–13 Test Coupon K
IPC-D-859 December 1989
70