OPTICAL GLASS AND OPTICAL ELEMENT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 27, 2024
app pub date -
Dec 22, 2023
filing date -
Dec 27, 2022
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The optical glass has, in mass %, SiO2 content of 3.00% or more and 20.00% or less, B2O3 content of 1.00% or more and 18.00% or less, La2O3 content of 20.00% or more and 60.00% or less, Nb2O5 content of 8.80% or more, TiO2 content of 5.00% or more and 20.00% or less, total content (MgO+CaO+SrO+BaO+ZnO) of 2.00% or more, mass ratio ((MgO+CaO+SrO+BaO+ZnO)/(SiO2+B2O3)) of 0.300 or more, mass ratio ((Nb2O5+TiO2+ZrO2+WO3)/(SiO2+B2O3)) of 1.600 or more, mass ratio ((La2O3+Gd2O3+Y2O3)/(SiO2+B2O3)) of 2.750 or more, mass ratio ((MgO+CaO+SrO+BaO+ZnO)/(Nb2O5+TiO2+ZrO2+WO3)) of 0.290 or less, and mass ratio ((Nb2O5+TiO2)/(SiO2+B2O3)) of 1.400 or more.
First Claim
Family
International Classification(s)
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