/Optical Glass, Optical Element, Optical System, Cemented Lens, Interchangeable Lens For Camera, Objective Lens For Microscope, And Optical Device
Abstract
An optical glass comprising: by mass %, 20% or more and 50% or less of a content rate of P2O5; 12.66% or more and 35% or less of a content rate of TiO2; 0% or more and 20% or less of a content rate of Nb2O5; and 5% or more and 30% or less of a content rate of Bi2O3, wherein a ratio of a content rate of TiO2 to a content rate of P2O5 (TiO2/P2O5) is 0.30 or more and 0.75 or less.
Full Text
What is claimed is:
An optical glass comprising: by mass %, 20% or more and 50% or less of a content rate of P2O5; 12.66% or more and 35% or less of a content rate of TiO2; 0% or more and 20% or less of a content rate of Nb2O5; and 5% or more and 30% or less of a content rate of Bi2O3, wherein a ratio of a content rate of TiO2 to a content rate of P2O5 (TiO2/P2O5) is 0.30 or more and 0.75 or less.
Timeline
Filed
04/27/2026Published
09/03/2026Granted
Not AvailableIPC Codes(4)
C03C 3/21:containing titanium, zirconium, vanadium, tungsten or molybdenum
C03C 3/062:with less than 40% silica by weight
G02B 3/00:Simple or compound lenses