G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 31/302 (2006.01) G01R 31/308 (2006.01) G06T 7/00 (2006.01)
Patent
CA 2108915
An optical inspection system for inspecting faults on circuit boards like printed circuit boards and wire scribed circuit boards is disclosed. A video camera for receiving desired images of hole sites on a wire circuit board is provided. The camera converts each image to electrical video signals. A frame grabber converts electrical video signals to a plurality of pixels and stores information representing color element values contained in each of the pixels. A panel feature detector receives the color element values of the pixel that has to be analyzed and provides a wire indication when the color element value of the pixel corresponds to the wire feature. A fault detector circuit receives the wire indication from the panel feature detector corresponding to predetermined pixels associated with the hole site for determining faults on the circuit board.
Creavin Damien W. P.
Luke Edward P.
Reetz Robert R.
Advanced Interconnection Technology
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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