Optical glass and optical product using the same

Details Optical glass and optical product using the same Optical glass and optical product using the same

2005-10-17

2008-11-18

Lorengo, Jerry (Department: 1793)

Glass manufacturing

Processes

Forming and fire polishing or product

C065S064000, C065S102000, C065S068000, C065S126000, C501S046000, C501S047000

Reexamination Certificate

active

07451620

ABSTRACT:
An optical glass having a high refractive index and high dispersion characteristics that is suited to application to precision press molding to precisely mold the shape of final products for objectives not requiring grinding or polishing. An optical glass exhibiting a refractive index in the range of from 1.75 to 2.0, an Abbé number in the range of from 20 to 28.5. Optical parts comprised of this glass; press-molding materials comprised of this glass; methods of manufacturing the same; and methods of manufacturing molded glass products employing these materials.

REFERENCES:
patent: 4115131 (1978-09-01), Ishibashi et al.
patent: 4439530 (1984-03-01), Tajima
patent: 6333282 (2001-12-01), Nakahata et al.
patent: 6626010 (2003-09-01), Yoshida
patent: 32 45 615 (1983-08-01), None
patent: 1 078 894 (2001-02-01), None
patent: 1 078 894 (2001-02-01), None
patent: 7-097234 (1995-04-01), None
patent: 7-247135 (1995-09-01), None
patent: 7-247136 (1995-09-01), None
Database WPI, Derwent Publications Ltd. AN 1999-076322, XP002271306, JP 10 316448 A (Sumita Kogaku Glass KK), Dec. 2, 1998.
Supplementary European Search Report issued in Application No. EP 01 94 3871, mailed Mar. 8, 2004.

Affiliated with

Also associated with

Rating

Optical glass and optical product using the same 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 glass and optical product using the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical glass and optical product using the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4046690