Manufacture of ophthalmic lenses by excimer laser
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United States of America Patent
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Oct 1, 1991
Issued Date -
N/A
app pub date -
Mar 14, 1989
filing date -
Oct 14, 1986
priority date (Note) -
Expired
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Abstract
Complex small objects such as ophthalmic lenses are quickly and accurately fabricated from plastic or glass blanks of ablatable material such as plastic or glass by cutting, shaping, and radiusing the blank entirely by laser light, using appropriate masks with focusing and imaging optics.
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