Electric heating – Metal heating – By arc
Patent
1991-07-16
1993-01-12
Albritton, C. L.
Electric heating
Metal heating
By arc
21912175, B23K 2600
Patent
active
051792621
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.
Albritton C. L.
Allergan Inc.
Peterson Gordon L.
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