Article containing conductive through-holes

Details Article containing conductive through-holes Article containing conductive through-holes

1987-03-25

1988-09-06

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428137, 428210, 428209, 428901, B32B 324

Patent

active

047692693

ABSTRACT:
A conductive through-hole hole is formed by through a dielectric sandwiched between conductors forming a noncircular hole in a conductor, etching a hole through the dielectric and by deforming at the conductor which has been undercut during the etching.

REFERENCES:
patent: 4020206 (1977-04-01), Beil
patent: 4283243 (1981-08-01), Andreades et al.
patent: 4303715 (1981-12-01), Chang
patent: 4360570 (1982-11-01), Andreades et al.
patent: 4456652 (1984-06-01), Konishi et al.
patent: 4479991 (1984-10-01), Thompson

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