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1. WO2019058617 - OPTICAL GLASS, OPTICAL ELEMENT COMPOSED OF OPTICAL GLASS, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE

Publication Number WO/2019/058617
Publication Date 28.03.2019
International Application No. PCT/JP2018/014932
International Filing Date 09.04.2018
IPC
C03C 3/155 2006.1
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
14containing boron
15containing rare earths
155containing zirconium, titanium, tantalum or niobium
C03C 3/068 2006.1
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 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made; Optical coatings for optical elements
CPC
C03B 19/1005
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
19Other methods of shaping glass
10Forming beads
1005Forming solid beads
C03B 40/04
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
40Preventing adhesion between glass and glass or between glass and the means used to shape it ; , hold it or support it
04using gas
C03C 2201/10
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
2201Glass compositions
06Doped silica-based glasses
08containing boron or halide
10containing boron
C03C 2201/3411
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
2201Glass compositions
06Doped silica-based glasses
30containing metals
34containing rare earth metals
3411Yttrium
C03C 2201/3417
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
2201Glass compositions
06Doped silica-based glasses
30containing metals
34containing rare earth metals
3417Lanthanum
C03C 2201/3452
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
2201Glass compositions
06Doped silica-based glasses
30containing metals
34containing rare earth metals
3452Gadolinium
Applicants
  • 株式会社ニコン NIKON CORPORATION [JP]/[JP]
Inventors
  • 吉本 幸平 YOSHIMOTO Kohei
  • 上田 基 UEDA Motoi
  • 山本 博史 YAMAMOTO Hiroshi
  • 川嶋 辰典 KAWASHIMA Tatsunori
Agents
  • 特許業務法人 湘洋内外特許事務所 SHOYO INTELLECTUAL PROPERTY FIRM
Priority Data
2017-18102821.09.2017JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) OPTICAL GLASS, OPTICAL ELEMENT COMPOSED OF OPTICAL GLASS, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE
(FR) VERRE OPTIQUE, ÉLÉMENT OPTIQUE CONSTITUÉ DE CELUI-CI, SYSTÈME OPTIQUE, OBJECTIF INTERCHANGEABLE , ET DISPOSITIF OPTIQUE
(JA) 光学ガラス、光学ガラスからなる光学素子、光学系、交換レンズ及び光学装置
Abstract
(EN)
This optical glass satisfies that, in terms of mol% of cations, the total amount of La3+, Y3+ and Gd3+ components is 5-65%, the total amount of Zr4+, Hf4+ and Ta5+ components is 5-65%, and satisfies the relationship expressed by formula (1) below. (La3+ + Y3+ + Gd3+) × (Zr4+ + Hf4+ + Ta5+) ≥ 400···(1)
(FR)
L'invention concerne un verre optique dont la quantité totale de composants La3+, Y3+ et Gd3+ est comprise entre 5 et 65%, et la quantité totale de composants Zr4+, Hf4+ et Ta5+ est comprise entre 5 et 65%, en % en moles de cations, et qui satisfait la relation représentée par la formule (1) ci-dessous. (La3++Y3++Gd3+)×(Zr4++Hf4++Ta5+)≧400 ・・・(1)
(JA)
カチオンのモル%表示で、La3+、Y3+、及びGd3+成分の総量が5~65%、Zr4+、Hf4+、及びTa5+成分の総量が5~65%、かつ下記式(1)で表される関係を満たす、光学ガラス。 (La3++Y3++Gd3+)×(Zr4++Hf4++Ta5+)≧400 ・・・(1)
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