Optical system having an optical element made of resin

Details Optical system having an optical element made of resin Optical system having an optical element made of resin

1998-05-15

2000-01-04

Nguyen, Thong

Optical: systems and elements

Compound lens system

Telescope

359362, 359642, 359686, G02B 2300, G02B 1514

Patent

active

06011648&

ABSTRACT:
An optical system includes a first optical element formed of a noncrystalline polyester resin having a copolymer ratio of 9,9-bis [4(2-hydroxyethoxy) phenyl]fluorene in a range of 35 molar percent to 45 molar percent when the dicarboxylic acid component is 100 molar percent, and a second optical element formed of material incorporating an ultraviolet light absorption agent and disposed at least either anteriorly or posteriorly to the first optical element.

REFERENCES:
patent: 5442481 (1995-08-01), Hasushita
patent: 5581400 (1996-12-01), Takase et al.
patent: 5675440 (1997-10-01), Kanamori

Affiliated with

Also associated with

Rating

Optical system having an optical element made of resin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical system having an optical element made of resin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical system having an optical element made of resin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1077172