Method for packaging an electronic circuit device

Details Method for packaging an electronic circuit device Method for packaging an electronic circuit device

1991-08-01

1992-11-10

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

179 524, 257678, 368 88, H01R 4300

Patent

active

051613042

ABSTRACT:
An integrated circuit package encapsulates a volatile memory chip and a backup battery for preserving data in the event of loss of main power supply. The package includes a finger lead assembly encapsulated within a body of non-conductive material, with a central base support finger lead being offset within an interconnect region. One terminal of the battery is welded to the offset base finger lead, and the integrated circuit chip is bonded directly onto the other battery terminal by a layer of conductive epoxy. The stacked assembly of the integrated circuit chip, the battery and the offset base finger lead is centered longitudinally and vertically within the interconnect region whereby the stacked assembly, including gold interconnect wires, are completely encapsulated within the molded package body, without increasing the standoff height of the package.

REFERENCES:
patent: 3863436 (1975-02-01), Schwarzschild
patent: 4165607 (1979-08-01), Federowicz et al.
patent: 5055704 (1991-10-01), Link et al.

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