50 micro Al kapton 50 kapton tested 24. 1.
2005 tape
Bent over PCB edge (180
degrees)
uncovered
Al (SnPb plated)
10 bends OK
20 bends 3 breaks
30 bends all lines broken
Al (SnPb plated) covered with self adhesive kapton
1 st test 20 bends OK
50 bends 3 breaks
2nd test 20 bends OK
30 bends 1 line broken
40 bends lines broken
Bent over defined radius (180
degrees):
r =1.1 mm bent in SnPb area (bent on metallized side)
1 st test 30 bends one line broken
2nd test 20 bends OK
30 bends
OK
40
bends 3 lines broken
r = 1.1 mm bent, concered with self adhesive kapton
40 bends
OK
60 bends
OK
r = 2 mm bent in SnPb area (bent on metallized side)
40 bends OK
60 bends OK
100 bends OK
150 bends 2 lines broken
200 bends 3 lines broken
250 bends 5 lines broken
r = 2 mm bent in SnPb area (bent on non metallized side)
50 bends OK
100 bends OK
200 bends OK
50 micro Al kapton 50 kapton tested 14. 1.
2005 tape 20220212705599
r = 2 mm - bent in double layer area
50x OK
100x OK
r = 2 mm bent in SnPb plated area
50 bends OK
smallest possible radius (bend on back side of tape)
1x
Ok
3x
OK
10x OK
20x
OK
50 micro Al 50 kapton tested 5. 3. 2002
r = 2 mm
20
OK
40
1 broken
60
5 broken
r = 3mm
30
OK
50
OK
80
1 broken
100
2 lines high R 2 ohms
130
2 lines broken
50 micro Al, 25micro
kapton
tested 10.1. 2001
r = 2 mm
No. bends
10
OK
30
OK
50
OK
100
OK
r = 0.75 mm
10
OK
30
OK
50
1 broken
70
1 broken
100
3 broken
120
3 broken
150
5 broken