IPC-D-859.pdf - 第73页

IPC-859-6-5 Figure 6–5 T est Coupon D (Layer 2) Land size: 1.5mm x 1.5 mm [0.059 x 0.059 in] square (T yp.) 1.5 mm [0.059 in] (T yp.) 1.5 mm [0.059 in] 1.5 mm [0.059 in] 1.5 mm [0.059 in] 1.5 mm [0.059 in] 0.5 mm [0.…

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IPC-859-6-3
Figure 6–3 Test Coupon B (Layer 1)
IPC-859-6-4
Figure 6–4 Test Coupon C (Layer 2)
1.5 mm
[0.059 in]
1.5 mm
[0.059 in]
1.5 mm
[0.059 in]
W=12mm [0.470 in]
1.5 mm
[0.059 in]
1.0 mm [0.040 in] (TYP. 3 Pl.)
2.0 mm
[0.079 in]
(Typ. 4Pl.)
Land size: 1.5 x 1.5 mm
[0.059 x 0.059 in] square
(Typ.)
L = ( ) + 
[0.118in]
Nr 3.5 mm
Z [0.138in]
x
3.0 mm
Nr = No. of Layers (Even Nos.)
= No. of Layers + 1 (Odd Nos.)
IPC-D-859 December 1989
66
IPC-859-6-5
Figure 6–5 Test Coupon D (Layer 2)
Land size: 1.5mm x 1.5 mm
[0.059 x 0.059 in] square
(Typ.)
1.5 mm [0.059 in] (Typ.)
1.5 mm [0.059 in]
1.5 mm
[0.059 in]
1.5 mm
[0.059 in]
1.5 mm [0.059 in]
0.5 mm [0.020 in]
4 mm [0.158 in]
diameter
1.5 mm [0.059 in]
3.5 mm
[0.138 in]
1.0 mm [0.040 in]
5 mm [0.2 in] (Typ. 8 Pl.)
L = 17 mm [0.665 in}
W = 17 mm [0.665 in}
December 1989 IPC-D-859
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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
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