Method for fabricating an electronic device structure with studs locating lead frame on backing plate
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United States of America Patent
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Jun 9, 1998
Issued Date -
N/A
app pub date -
Aug 12, 1994
filing date -
Nov 29, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A process for making 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 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.
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