Optics: measuring and testing – Inspection of flaws or impurities – Surface condition
Reexamination Certificate
2005-10-11
2005-10-11
Rosenberger, Richard A. (Department: 2877)
Optics: measuring and testing
Inspection of flaws or impurities
Surface condition
Reexamination Certificate
active
06954268
ABSTRACT:
The present invention provides a defect inspection apparatus comprising an inspection section which inspects a front surface and a rear surface of a sample, a control section which processes image data on the front surface and rear surface of the sample obtained by the inspection section, moving section provided in the inspection section and capable of reciprocating the sample, illumination section which illuminates the front surface and rear surface of the sample moved by the moving section, and image pickup section which picks up images of the front surface and rear surface of the sample illuminated by the illumination section, wherein at least one of an incidence angle of the illumination section on the sample and an image pickup angle of the image pickup section to the sample is changeable.
REFERENCES:
patent: 4875780 (1989-10-01), Moran et al.
patent: 5359407 (1994-10-01), Suzuki et al.
patent: 6559938 (2003-05-01), Smedt
patent: 6594012 (2003-07-01), Takeuchi et al.
patent: 6606154 (2003-08-01), Oda
patent: 6621571 (2003-09-01), Shishido et al.
patent: 62-42039 (1987-02-01), None
patent: 4-304651 (1992-10-01), None
patent: 5-64760 (1993-08-01), None
patent: 8-125004 (1996-05-01), None
patent: 9-61365 (1997-03-01), None
patent: 9-061365 (1997-03-01), None
patent: 11-051874 (1999-02-01), None
patent: 11-219990 (1999-08-01), None
patent: 11-219990 (1999-08-01), None
patent: 2000-90206 (2000-03-01), None
Naiki Hiroshi
Tanaka Toshihiko
Frishauf Holtz Goodman & Chick P.C.
Olympus Corporation
Rosenberger Richard A.
LandOfFree
Defect inspection apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Defect inspection apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Defect inspection apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3472337