Semiconductor device manufacturing: process – Packaging or treatment of packaged semiconductor – Making plural separate devices
Reexamination Certificate
2011-08-09
2011-08-09
Arora, Ajay K (Department: 2892)
Semiconductor device manufacturing: process
Packaging or treatment of packaged semiconductor
Making plural separate devices
C257S620000, C257SE21596, C257SE21599, C438S068000, C438S114000, C438S458000
Reexamination Certificate
active
07993975
ABSTRACT:
A semiconductor-device manufacturing method includes: forming terminals on a wafer and across each of dicing lines along which the wafer is cut into a plurality of semiconductor chips; preparing a plurality of pre-cut substrates each including a substrate body capable of being cut along corresponding one of cutting lines into a pair of same structured substrate pieces, connection pads provided on a top surface of the substrate body, and external terminals formed on a bottom surface of the substrate body and connected to the connection pads; mounting the pre-cut substrates onto the wafer while the cutting lines of the pre-cut substrates match the dicing lines; and simultaneously dicing the wafer and the pre-cut substrates along the dicing lines matching the cutting lines.
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Daily, James W. Packaging of Electronic Systems—A Mechanical Engineering Approach. McGraw Hill, 1990, pp. 113-115.
Watanabe Fumitomo
Watanabe Mitsuhisa
Arora Ajay K
Elpida Memory Inc.
Foley & Lardner LLP
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