IPC-TM-650 EN 2022 试验方法1.pdf - 第230页

Note: IPC-TM-650 IPC-TM-650 IPC-D-330 Note: Figure 1 T est coupon configuration (recom mended) 4 5 3 2 7 104mm [4.10] NOTE 3 3.81mm [.150] (NOTE 1) NOTES: 1. 0.76mm [.030"] Conductor width, 0.76mm [.030"] spacin…

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Figure 2 Fatigue ductility flex tester
IPC-TM-650
Number
Subject Date
Revision
Page 2 of 3
Note:
IPC-TM-650
IPC-TM-650
IPC-D-330
Note:
Figure 1 Test coupon configuration (recommended)
45327
104mm
[4.10]
NOTE 3
3.81mm [.150] (NOTE 1)
NOTES:
1. 0.76mm [.030"] Conductor width,
0.76mm [.030"] spacing
2. Pattern on opposite circuit
sides are identical
3. 5-digit lot number of
production lot.
2.54mm
[.100"] 12.7mm
[.050"] 12.7mm
[.050"]
88.9mm
[3.50"]
Page 1 of 3
Note:
Note:
Note:
Note:
Figure 2 Minimum core thickness
t
COVERCOAT
COVERCOAT
M
t
t
M
t
t = t
M
SUBSTRATE
CONDUCTOR
CONDUCTOR
SUBSTRATE
CONDUCTOR
CONDUCTOR
CONDUCTOR
SUBSTRATE
Figure 3 Fatigue ductility flex tester
IPC-TM-650
Number
Subject Date
Revision
Page 2 of 3