Method of performing electrical reject selection

Details Method of performing electrical reject selection Method of performing electrical reject selection

1988-06-07

1989-06-06

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156634, 156653, 156656, 156657, 1566591, 437190, 437194, 437228, 357 71, B44C 122, C03C 1500, C03C 2506, C23F 102

Patent

active

048368830

ABSTRACT:
A method of detecting defects in a passivating layer includes the step of providing masks on any portions of a device intentionally exposed through the passivating layer, exposing the device to an etchant which penetrates the passivating layer through any defects therein and etches any interconnects underlying the defects, and testing to detect any portions of the interconnect which are etched.

REFERENCES:
patent: 4510674 (1985-04-01), Izu et al.
patent: 4514436 (1985-04-01), Moerschel

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