Optical disc manufacturing apparatus

Details Optical disc manufacturing apparatus Optical disc manufacturing apparatus

1988-10-17

1991-02-26

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to apply stress to preform and uniting in stressed...

264 13, 264 22, 264106, 264107, 425112, 425145, 4251744, 425810, B29D 1700, B29C 3306

Patent

active

049957996

ABSTRACT:
Disclosed herein is an apparatus for manufacturing an optical substrate which has a transfer layer corresponding to an optical pattern by supplying a liquid radiation-setting resin between a stamper carrying the optical pattern and the substrate and by setting the radiation-setting resin. The apparatus includes a turnable, a center boss, gas pressure control mean, and a defoaming means including an outer circumferential means to defoam the radiation-setting resin. The turnable, the center boss and the gas pressure control means are united into a carriage base which is movable on the casing of the apparatus.

REFERENCES:
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patent: 3412427 (1968-11-01), Flusfeder et al.
patent: 4197267 (1980-04-01), Gustavsson
patent: 4249876 (1981-02-01), Stransfeld et al.
patent: 4301099 (1981-11-01), Broeksema et al.
patent: 4435343 (1984-03-01), Ando et al.
patent: 4449916 (1984-05-01), Ito et al.
patent: 4670077 (1987-06-01), Peeters
patent: 4723903 (1988-02-01), Okazaki et al.

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