Title:
OPTICAL GLASS, OPTICAL ELEMENT USING OPTICAL GLASS, AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/035463
Kind Code:
A1
Abstract:
Provided is optical glass which is suitable for mold press molding.
Optical glass according to the present invention is characterized by containing, in weight%, 10-25% of B2O3, 30-60% of P2O5, 0-5% of Al2O3, 0.1-10% of Li2O, 0-15% of SrO, 10-50% of BaO, 0-12% of ZnO, 0-5% of Y2O3 and 0-5% of Gd2O3, while not containing La2O3.
Inventors:
YOSHIMOTO KOHEI (JP)
YAMAMOTO HIROSHI (JP)
YAMAMOTO HIROSHI (JP)
Application Number:
PCT/JP2015/070674
Publication Date:
March 10, 2016
Filing Date:
July 21, 2015
Export Citation:
Assignee:
NIKON CORP (JP)
International Classes:
G02B1/00; C03C3/19
Domestic Patent References:
| WO2003072518A1 | 2003-09-04 |
Foreign References:
| JP2006052119A | 2006-02-23 | |||
| JP2002211949A | 2002-07-31 | |||
| JP2014227336A | 2014-12-08 |
Other References:
See also references of EP 3190097A4
Attorney, Agent or Firm:
Shoyo Intellectual Property Firm (JP)
Patent business corporation SHOYO Intellectual Property Firm (JP)
Patent business corporation SHOYO Intellectual Property Firm (JP)
Download PDF:
Previous Patent: SYSTEM FOR COOLING ELECTRICALLY DRIVEN UNIT OF AIRCRAFT
Next Patent: ANALYSIS METHOD, SYSTEM AND ANALYSIS DEVICE
Next Patent: ANALYSIS METHOD, SYSTEM AND ANALYSIS DEVICE