H - Electricity – 05 – K
Patent
H - Electricity
05
K
356/2, 349/33
H05K 13/00 (2006.01) G01B 11/24 (2006.01) G01B 11/245 (2006.01) G01R 31/28 (2006.01) H05K 13/08 (2006.01)
Patent
CA 1301947
Abstract of the Disclosure A compensating system for inspecting potentially warped printed circuit boards provides the inspection head of a printed circuit board inspection apparatus with a compensating device which is capable of detecting deviations in the printed circuit board which depart from a reference standard, for use in accurately compensating for such deviations during the board inspection procedure. An appropriate source (including ultra- sonic, laser and directed light sources) is used to direct emissions toward the surface of a printed circuit board to be inspected. Detected reflections are then used to provide infor- mation useful in determining deviations of the surface of the printed circuit board from the reference standard, to adjust the anticipated locations for any component features, connecting leads or pins which are to be inspected within the subject viewing field.
592728
Abramovich Abe
Robertson Gordon I.
Wasserman Harold
American Cimflex Corporation-Control Automation Division
Mccarthy Tetrault Llp
LandOfFree
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