Integrated circuit chip carrier
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United States of America Patent
Stats
-
Mar 8, 1994
Issued Date -
N/A
app pub date -
Jun 12, 1992
filing date -
May 23, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An integrated circuit chip carrier assembly, comprising a semiconductor device (10) having interconnection pads (14) disposed on an active surface (12) of the device. The device (10) is attached by means of electrically conducting bumps (26) to a circuitry pattern (18) on a first side of a circuit carrying substrate (16). The substrate is typically an aramid reinforced organic resin, such as epoxy. The circuitry (18, 20) is electrically connected by conductive through-holes (22) to an array of solder pads on a second side of the substrate. Some or all of the through-holes (22) are covered by the device. The overall length and width of the circuit carrying substrate (16) are each a maximum of about 0.15 inches greater than the equivalent dimensions of the device (10), creating a carrier that is only slightly larger than the semiconductor device itself.
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