Electronic apparatus and a method for manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 6, 1991
Grant Date -
N/A
app pub date -
Apr 6, 1988
filing date -
Apr 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thin electronic calculator having a circuit board unit in which an IC pellet is directly mounted on a film board and allowing easy mass-production is provided. Metal foil leads each having one end and the other end radially extending from the one end and having a larger width than the one end are formed on the film board. The IC pellet is bonded to one end portions of the metal foil leads through bump electrodes. The circuit board unit is fixed to a wiring board by an anisotropically electrical conductive adhesive. The other end of each metal foil lead is electrically connected to a corresponding connecting terminal formed on the wiring board. An electronic component assembly constituted by the circuit board unit and the wiring board is received in upper and lower covers, and is adhered by adhesive islands deposited on the covers.
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