IPC-TM-650 EN 2022 试验方法--.pdf - 第614页
Figure 3 Cable Preparation and Cable Connection Figure 4 T est Cable Hookup IPC-TM-650 Number Subject Date Revision Page 3 of 4 2.5.19.1 Propagation Delay of Flat Cables Using Dual Trace Oscilloscope 7/84 A IPC-2-5-19-1-…

Figure 3 Four Probe Interconnect Resistance Measurement Technique for
Flex to PWB and Flex to ITO Glass
VI
Ih, Vh
I1
R1= AV/I
6th trace
Figure 2 Interconnection Resistance Test Assembly; Flex to PWB
0.4 mm Flex, Shortened on End
17 Traces, 9 mm x 25 mm
ZAF, 0.050 mm, 3.2 mm x 10 mm
Bonded Test Sample
0.2 mm line/space
Pitch Flex Board
IPC-TM-650
Page 3 of 3
Number
2.6.24
Subject
Junction
Stability
Under
Environmental
Conditions
Date
11/98
Revision
IPC-3408-fig3
IPC-3408-fig4

Figure 3 Cable Preparation and Cable Connection
Figure 4 Test Cable Hookup
IPC-TM-650
Number
Subject Date
Revision
Page 3 of 4
2.5.19.1
Propagation
Delay
of
Flat
Cables
Using
Dual
Trace
Oscilloscope
7/84
A
IPC-2-5-19-1-3

Figure 5 Dual Trace Oscilloscope Display
IPC-TM-650
Number
Subject Date
Revision
Page 4 of 4
7/84
Propagation
Delay
of
Flat
Cables
Using
Dual
Trace
Oscilloscope
IPC-2-5-19-1-5