Semiconductor device and a process of producing same

Details Semiconductor device and a process of producing same Semiconductor device and a process of producing same

1987-09-30

1989-05-30

Hearn, Brian E.

Fishing, trapping, and vermin destroying

437212, 437180, 437211, 437 50, 357 55, 357 65, H01L 2974

Patent

active

048351199

ABSTRACT:
A semiconductor device which comprises: a first main electrode on a first main surface of the semiconductor substrate, and a second main electrode on a second main surface thereof, the first main surface including a control electrode; a first outer main electrode and a second outer main electrode provided on the first and second main surface, respectively, wherein the first and second outer main electrodes are respectively connected to the first main electrode and the second main electrode; an external control electrode adapted for connection to the control electrode on the semiconductor substrate; a control electrode access electrode whereby the control electrode on the substrate is connected to the external control electrode; the control electrode access electrode including a ring-shaped body having a contact section on the undersurface thereof, and a lead for connection to the external control electrode, wherein the ring-shaped body is covered with an insulating film in the portion excluding the contact section, and wherein the ring-shaped body is kept in contact with the control electrode on the semiconductor substrate at the contact section.

REFERENCES:
patent: 3636419 (1972-01-01), Raithel et al.
patent: 4358785 (1982-11-01), Takigami et al.
patent: 4466009 (1984-08-01), Konishi et al.
patent: 4542398 (1985-09-01), Yatsuo et al.

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