Trimming element for microelectric circuit

Details Trimming element for microelectric circuit Trimming element for microelectric circuit

1989-01-18

1990-08-07

Albritton, C. L.

Electric heating

Metal heating

By arc

2191216, B23K 7600

Patent

active

049470205

ABSTRACT:
A trimming element comprises (a) a medium layer, (b) a pair of electrodes connected to the medium layer, and (c) an alloy layer, which is formed of metal of the electrodes and material of the medium layer and is created in the medium layer, for substantially short-circuiting the electrodes to each other. The alloy layer is obtained by applying a laser beam to the medium layer to heat a portion between the electrodes. The metal layer for substantially short-circuiting the electrodes is thus formed.

REFERENCES:
patent: 4584456 (1986-04-01), Oodaira et al.
patent: 4636404 (1987-01-01), Raffel et al.
patent: 4665295 (1987-05-01), McDavid
patent: 4694138 (1987-08-01), Oodaira et al.

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