Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1997-12-22
2000-07-04
Ballato, Josie
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324765, G01R 3102
Patent
active
060843977
ABSTRACT:
A verification gauge for verifying the operation of an inspection system for inspecting the leads of an electronic package, particularly a ball grid array. The gauge has a predetermined mechanical relationship to a mechanical parameter of the leads of the electronic package so that when the inspection system is used to inspect the gauge, a reading will indicate whether the inspection system is properly set up for the mechanical parameter. The gauge may be configured to substantially emulate the structural configuration, including the particular size, shape and lead pattern, of the electronic package. The gauge may be used to verify the calibration or the predefined limit of the inspection system for the mechanical parameter, including lead coplanarity, lead pitch, missing lead and lead deformation parameters.
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Brochure, Dana Design, 921 Transport Way # 12, Petaluma, CA 94954, May 1990 .
Ballato Josie
EMC Corporation
Sundaram T. R.
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