Data processing: measuring – calibrating – or testing – Testing system – Of circuit
Reexamination Certificate
2005-09-13
2005-09-13
Assouad, Patrick (Department: 2857)
Data processing: measuring, calibrating, or testing
Testing system
Of circuit
C702S118000, C702S082000, C700S116000, C700S224000, C700S226000
Reexamination Certificate
active
06944567
ABSTRACT:
A method of manufacturing IC devices from semiconductor wafers includes providing the wafers and fabricating ICs on the wafers. At probe, a unique fuse ID is stored in each IC, and an electronic wafer map is electronically stored for each wafer indicating the locations of good and bad ICs on the wafer and the fuse IDs of the ICs on the wafer. Each IC is then separated from its wafer to form an IC die, and the IC dice are assembled into IC devices. At the opens/shorts test at the end of assembly, the fuse ID of each IC in each device is automatically retrieved so the wafer map of the IC device may be accessed and evaluated to identify any IC devices containing bad ICs that have accidentally been assembled into IC devices. Any “bad” IC devices are discarded while remaining IC devices continue on to back-end testing.
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Assouad Patrick
TraskBritt
LandOfFree
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