Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2006-11-28
2006-11-28
Tang, Minh N. (Department: 2829)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S754090, C324S761010
Reexamination Certificate
active
07141996
ABSTRACT:
A flip chip test structure is disclosed. The flip chip test structure utilizes a substrate used in flip chip package to replace the conventional transformer of a flip chip wafer probe card. The substrate-transformer replacement reduces the cost and simplifies the flip chip wafer probe card manufacturing process since the substrate is already available and matches the chip being tested while the transformer needs additional design and custom fabrication which are expensive and time-wasting for corresponding chip being tested.
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Chang Keeny
Lu Shelton
Rosenberg , Klein & Lee
Tang Minh N.
Via Technologies Inc.
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