Glass lens blank for polishing, manufacturing method therefore, and optical lens manufacturing method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 16, 2018
Issued Date -
N/A
app pub date -
Feb 25, 2014
filing date -
Feb 25, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A glass lens blank for polishing in which a thickness of a defect-containing layer is suppressed to a minimum and thus it is possible to shorten the processing time required for grinding and polishing the glass lens blank for polishing after press-molding, a method of manufacturing the same, and a method of manufacturing an optical lens. A glass lens blank for polishing of which at least a main surface is a press-molding surface, wherein a defect-containing layer formed on the main surface has a thickness of 50 μm or less.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully