Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1989-03-14
1991-10-01
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
65102, 65105, 65112, 65120, 21912161, 21912166, 21912167, 21912169, 21912173, 21912185, 264 25, B29D 1100, B23K 2606, C03B 2300
Patent
active
050531719
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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Portney Valdemar
Ting Albert C.
Willis Timothy R.
Allergan Inc.
Hanson Loyal M.
Lowe James
Peterson Gordon L.
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