The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 07, 1997

Filed:

Jul. 10, 1995
Applicant:
Inventors:

Sergey V Broude, Newton Centre, MA (US);

David Giroux, Somersworth, NH (US);

Abdu Boudour, West Newton, MA (US);

Eric Chase, Carlisle, MA (US);

Carl Johnson, Tewksbury, MA (US);

Pascal Miller, North Chelmsford, MA (US);

Nicholas Allen, Bedford, MA (US);

Jay Ormsby, Salem, MA (US);

Assignee:

QC Optics, Inc., Burlington, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356237 ; 250243 ;
Abstract

A plate holder for a plate surface inspection system, the plate holder including a plate holder body and a calibration plate integral with the plate holder body thereby eliminating the need to load a separate special calibration plate in the plate holder each time the surface inspection system needs to be calibrated.


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