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1. WO2020110341 - OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS, AND OPTICAL DEVICE

Publication Number WO/2020/110341
Publication Date 04.06.2020
International Application No. PCT/JP2019/016925
International Filing Date 22.04.2019
IPC
C03C 3/21 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
12Silica-free oxide glass compositions
16containing phosphorus
21containing titanium, zirconium, vanadium, tungsten or molybdenum
C03C 3/062 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
C03C 3/064 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
C03C 3/066 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
066containing zinc
C03C 3/068 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
068containing rare earths
G02B 1/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made; Optical coatings for optical elements
CPC
C03C 3/062
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
C03C 3/064
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
C03C 3/066
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
066containing zinc
C03C 3/068
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
068containing rare earths
C03C 3/21
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
12Silica-free oxide glass compositions
16containing phosphorus
21containing titanium, zirconium, vanadium, tungsten or molybdenum
G02B 1/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made
Applicants
  • 光ガラス株式会社 HIKARI GLASS CO., LTD. [JP]/[JP]
Inventors
  • 井口 徳晃 IGUCHI Noriaki
  • 伊藤 美幸 ITO Miyuki
  • 大高 一真 OHTAKA Kazuma
Agents
  • 特許業務法人 湘洋内外特許事務所 SHOYO INTELLECTUAL PROPERTY FIRM
Priority Data
2018-22454830.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS, AND OPTICAL DEVICE
(FR) VERRE OPTIQUE, ÉLÉMENT OPTIQUE, SYSTÈME OPTIQUE, LENTILLE INTERCHANGEABLE ET DISPOSITIF OPTIQUE
(JA) 光学ガラス、光学素子、光学系、交換レンズ及び光学装置
Abstract
(EN)
Provided is an optical glass which comprises, in mass%, 24.5 to 41% of a P2O5 component, 6 to 17% of an Na2O component, 5 to 15% of a K2O component, over 0% to 7% or less of an Al2O3component, 8 to 21% of a TiO2 component, and 5 to 38% of an Nb2O5 component, and has a partial dispersion ratio (Pg, F) of 0.634 or less.
(FR)
L'invention concerne un verre optique qui comprend, en % en masse, de 24,5 à 41 % d'un constituant P2O5, de 6 à 17 % d'un constituant Na2O, de 5 à 15 % d'un constituant K2O, une proportion supérieure à 0 % et inférieure ou égale à 7 % d'un constituant Al2O3, de 8 à 21 % d'un constituant TiO2, et de 5 à 38 % d'un constituant Nb2O5, et qui présente un rapport de dispersion partielle (Pg, F) inférieur ou égal à 0,634.
(JA)
質量%で、P成分:24.5~41%、NaO成分:6~17%、KO成分:5~15%、Al成分:0%超7%以下、TiO成分:8~21%、Nb成分:5~38%であり、かつ、部分分散比(Pg,F)が0.634以下である、光学ガラスの提供。
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