Semiconductor device, production method thereof, and tape carrier for semiconductor device used for producing the semiconductor device
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United States of America Patent
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-
Sep 29, 1998
Grant Date -
N/A
app pub date -
Apr 4, 1996
filing date -
Apr 7, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A semiconductor device capable of preventing the occurrence of defect of electroconductivity, wherein a semiconductor chip 1 equipped with electrodes 11 is mounted on an auxiliary wiring plate 2 in the state of facing the surface of the electrode 11 side, leading conductors 23 are disposed in the inside of the auxiliary wiring plate 2, one end of each leading conductor 23 forms an internal electrode 21 projecting from the surface of the auxiliary wiring plate 2 at the side of mounting the semiconductor chip 1, the other end of the leading conductor 23 forms an external electrode 22 projecting from the surface of the auxiliary wiring plate opposite to the side of mounting the semiconductor chip 1, and each of the internal electrodes 21 is connected to each of the electrodes 11 of the semiconductor chip 1, at least a gap between the semiconductor chip 1 and the auxiliary wiring plate 2 is encapsulated with a heat-welding polyimide resin layer.
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