COMBINATION POLYIMIDE DECAL WITH A RIGID MOLD
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United States of America Patent
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Issued Date -
May 20, 2021
app pub date -
Nov 18, 2019
filing date -
Nov 18, 2019
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Abstract
Protruding solder structures are created for electrical attachment of semiconductor devices. A rigid mold having one or more mold openings is attached to and used in combination with a decal structure that has one or more decal holes. The decal structure is disposed on the rigid mold so that the decal openings are aligned over the mold openings. Each of the decal hole and mold opening in contact form a single combined volume. The single combined volumes are filled with solder to form protruding solder structures. Various structures and methods of making and using the structures are disclosed.
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