Electronic device structure with studs locating lead frame on ba

Details Electronic device structure with studs locating lead frame on ba Electronic device structure with studs locating lead frame on ba

1992-11-27

1994-08-16

Clark, Sheila V.

Active solid-state devices (e.g., transistors, solid-state diode

Lead frame

257706, 257708, H01L 2348, H01L 2344, H01L 2352, H01L 2302

Patent

active

053389719

ABSTRACT:
An electronic device structure which comprises a metal plate, a semiconductor material chip attached to the plate, terminal leads, interconnection wires between the leads and metallized regions of the chip, and a plastic body which encapsulates the whole with the exception of a surface of the plate and part of the leads. This structure has highly reliable means of electrical connection between at least one metallized region and the metal plate which comprise at least one metal beam resting onto the plate and being attached thereto by studs integral with the plate, and at least one wire welded between a metallized region of the chip and the metal beam between the studs. At least a portion of the beam and its connection wire are encapsulated within the plastics body.

REFERENCES:
patent: 4132856 (1979-01-01), Hutchison
patent: 4215360 (1980-07-01), Eytcheson

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