Simple fiducial marking for quality verification of high...

Details Simple fiducial marking for quality verification of high... Simple fiducial marking for quality verification of high...

2009-02-06

2010-10-26

Rahll, Jerry T (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S147000, C382S147000, C382S151000

Reexamination Certificate

active

07822301

ABSTRACT:
A printed circuit board with a printed pattern of fiducial marks on a first side of the printed circuit board including a first indicia including a right triangle with its base parallel to a first edge of the board and an alignment mark adjacent thereto, and a second indicia including a right triangle with its base parallel to a second edge of the board opposite said first edge, and an alignment mark adjacent thereto.

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