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1. WO2022072209 - LEAD FREE GLASS COMPOSITION FOR MICROCHANNEL PLATE FABRICATION

Publication Number WO/2022/072209
Publication Date 07.04.2022
International Application No. PCT/US2021/051706
International Filing Date 23.09.2021
IPC
C03C 3/093 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
076with 40% to 90% silica by weight
089containing boron
091containing aluminium
093containing zinc or zirconium
H01J 43/24 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
43Secondary-emission tubes; Electron-multiplier tubes
04Electron multipliers
06Electrode arrangements
18Electrode arrangements using essentially more than one dynode
24Dynodes having potential gradient along their surfaces
CPC
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 3/093
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
076with 40% to 90% silica, by weight
089containing boron
091containing aluminium
093containing zinc or zirconium
C03C 3/095
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
076with 40% to 90% silica, by weight
095containing rare earths
H01J 43/246
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
43Secondary-emission tubes; Electron-multiplier tubes
04Electron multipliers
06Electrode arrangements
18Electrode arrangements using essentially more than one dynode
24Dynodes having potential gradient along their surfaces
246Microchannel plates [MCP]
Applicants
  • CORNING INCORPORATED [US]/[US]
Inventors
  • BROCHETON, Yves Andre Henri
Agents
  • KAPADIA, Smit
Priority Data
63/085,50830.09.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) LEAD FREE GLASS COMPOSITION FOR MICROCHANNEL PLATE FABRICATION
(FR) COMPOSITION DE VERRE SANS PLOMB POUR LA FABRICATION DE PLAQUES À MICROCANAUX
Abstract
(EN) Disclosed herein are lead free glass compositions having, in some embodiments, SiO2 from 25 wt% to 60 wt%, Al2O3 from 0 wt % to 20 wt%, B2O3 from 0 wt% to 35 wt%, ZrO2 from 0 wt% to 5 wt%, Li2O from 5 wt% to 17 wt%, Na2O from 3 wt% to 10 wt%, K2O from 1 wt% to 10 wt%, R2O from 0 wt% to 20 wt%, wherein R2O is an alkaline earth oxide, ZnO from 0 wt% to 15 wt%, and 0 wt% lead.
(FR) L'invention concerne des compositions de verre sans plomb présentant, dans certains modes de réalisation, du SiO2 à raison de 25 % en poids à 60 % en poids, de l'Al2O3 à raison de 0 % en poids à 20 % en poids, du B2O3 à raison de 0 % en poids à 35 % en poids, du ZrO2 à raison de 0 % en poids à 5 % en poids, du Li2O à raison de 5 % en poids à 17 % en poids, du Na2O à raison de 3 % en poids à 10 % en poids, du K2O à raison de 1 % en poids à 10 % en poids, du R2O à raison de 0 % en poids à 20 % en poids, R2O étant un oxyde alcalino-terreux, du ZnO à raison de 0 % en poids à 15 % en poids et 0 % en poids de plomb.
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