Apparatus and method for producing original plate for optical di

Details Apparatus and method for producing original plate for optical di Apparatus and method for producing original plate for optical di

1998-02-19

1999-09-07

Epps, Georgia

Optical: systems and elements

Lens

With light limiting or controlling means

359739, G02B 900

Patent

active

059495871

ABSTRACT:
Disclosed is an apparatus for producing an original plate for optical discs, which is allowed to produce original plates for a plurality of kinds of optical discs satisfying various standards. The apparatus includes a laser light generator for generating laser light; a diaphragm mechanism for limiting laser light generated by the laser light generator; and an objective lens for refracting the laser light limited by the diaphragm mechanism in such a manner that the laser light is focussed on a photosensitive layer or a surface layer formed on the original plate; wherein a spot diameter of a beam of the laser light is changed by varying a diaphragm diameter of the diaphragm mechanism.

REFERENCES:
patent: 5016149 (1991-05-01), Tanaka et al.

Affiliated with

Also associated with

Rating

Apparatus and method for producing original plate for optical di does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for producing original plate for optical di, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for producing original plate for optical di will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1810057