Semiconductor device with fuse

Details Semiconductor device with fuse Semiconductor device with fuse

1982-12-27

1985-03-05

Albritton, C. L.

Electric heating

Metal heating

By arc

219121EF, B23K 2700

Patent

active

045033153

ABSTRACT:
A semiconductor device with a fuse including an insulating layer having at least one step. A fusible film on the insulating layer crosses the step and a covering film is formed on the fusible film, the step and the insulating layer. When the portion of the fusible film crossing the step is irradiated with a laser beam the portion of the fusible film on the upper surface of the insulating layer melts and flows onto the lower surface of the insulating layer without forming a hole, thereby separating the fusible film at the step.

REFERENCES:
patent: 4209894 (1980-07-01), Keen
patent: 4240094 (1980-12-01), Mader

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