MIL- STD-883F 2004 TEST METHOD STANDARD MICROCIRCUITS.pdf - 第332页

MIL-STD-883F METHOD 2018.4 18 June 2004 20 FIGURE 2018-9. 5,000X . Tunnel/c ave at pass ivati on step ( rejec t).

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MIL-STD-883F
METHOD 2018.4
18 June 2004
19
NOTE: Tunnel does not extend to surface
of metal; does not reduce cross-sectional
area more than 50 percent.
FIGURE 2018-8. (10,000X)
.
Tunnel/cave at passivation step (accept).
MIL-STD-883F
METHOD 2018.4
18 June 2004
20
FIGURE 2018-9. 5,000X
.
Tunnel/cave at passivation step (reject).
MIL-STD-883F
METHOD 2018.4
18 June 2004
21
FIGURE 2018-10. (10,000X)
.
Separation of metallization at
passivation step (base contact) (accept).