Solderable contacts for flip chip integrated circuit devices
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United States of America Patent
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Aug 20, 1996
Grant Date -
N/A
app pub date -
Mar 23, 1995
filing date -
Mar 23, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A flip chip integrated circuit device (110) is provided having a surface, a perimeter, and solder bumps (112) located on the surface. At least one solder bump (112), and preferably a plurality of solder bumps (112), are spaced apart from the perimeter of the device (110). Electrically conductive runners (118) extend from the perimeter of the device (110) to each of those solder bumps (112) that are spaced apart from the perimeter, so as to electrically interconnect the solder bumps (112) to a point, such as a pad (116), at the perimeter. As a result, not all of the solder bumps (112) employed by the device (110) need be accommodated at the perimeter of the device (110), such that the size and number of the solder bumps (112) does not dictate the size of the device (110).
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