Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Light polarizing article or holographic article
Reexamination Certificate
2006-10-31
2006-10-31
Vargot, Mathieu D. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Light polarizing article or holographic article
C264S002100, C264S002700, C264S345000, C264S040600, C425S143000, C425S446000, C425S810000
Reexamination Certificate
active
07128851
ABSTRACT:
An apparatus and method is disclosed for repairing and removing scratches from an optically-read disc, e. g., compact discs (often called “CD's” or “DVD's” such that when refurbished, an optical reader, which uses a laser to read digital information stored on the disc, can read the digital information on the disc without the optical distortion caused by a scratch and like surface imperfection.
REFERENCES:
patent: 6277309 (2001-08-01), Campbell
patent: 2003/0145941 (2003-08-01), Hanzawa
The Weintraub Group, PLC
Vargot Mathieu D.
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