Method of laser etching and product
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United States of America Patent
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app pub date -
Sep 30, 2003
filing date -
Sep 30, 2003
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Abandoned
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Abstract
Background areas (A) are etched in opaque substrates (B) having smooth surfaces forming products carrying characters (C) of enhanced visibility by directing a laser beam (D) against opaque substrates while maintaining smooth surface areas free of the effects of the laser beam.
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