Hybrid gap measurement circuit

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element

Reexamination Certificate

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C324S763010, C324S1540PB

Reexamination Certificate

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07015715

ABSTRACT:
Systems and methods are disclosed for measuring a distance (or gap) between substrates of a hybrid semiconductor. The measurements may be made during a hybridization process to, for example, provide alignment feedback during the hybridization process. The measurements may also be made after the hybridization process to further calibrate the process or to provide information useful for further processing operations.

REFERENCES:
patent: 4397078 (1983-08-01), Imahashi
patent: 4841224 (1989-06-01), Chalupnik et al.
patent: 5416424 (1995-05-01), Andermo
patent: 6323660 (2001-11-01), Kunc et al.
patent: 6388452 (2002-05-01), Picciotto
patent: 6646453 (2003-11-01), Muller et al.
patent: 6756791 (2004-06-01), Bhushan et al.

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