Protection of semiconductor wire bonding capillary from spark er

Details Protection of semiconductor wire bonding capillary from spark er Protection of semiconductor wire bonding capillary from spark er

1983-01-03

1985-04-23

Shaw, Clifford C.

Electric heating

Metal heating

Wire, rod, or bar bonding

228179, 228 11, B23K 1132

Patent

active

045131902

ABSTRACT:
A wire bonding capillary of a hard, normally electrically non-conductive material wherein surfaces of the capillary are coated with a thin electrically conductive material for protecting the capillary bonding face from spark erosion damage and reduction in carbon-like material build-up inside the inner taper of the capillary bore by conduction of current from an electronic flame-off (EFO) torch through a low resistance path to ground.

REFERENCES:
patent: 4315128 (1982-02-01), Matcovich et al.

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