Title:
UV-TRANSMITTING GLASS
Document Type and Number:
WIPO Patent Application WO/2023/218938
Kind Code:
A1
Abstract:
Provided is a UV-transmitting glass having a high transmissivity of UV light in the far UV region, particularly light having a wavelength between 200 nm and 250 nm. This UV-transmitting glass is characterized by having a y/x of 0.8 or greater where x is the F content (mass%) at a depth of 15 μm from the glass surface and y is the F content (mass%) at a depth of 1 μm from the glass surface.
Inventors:
HASHIMOTO KOICHI (JP)
TAKAO EISUKE (JP)
FUJITA SHUNSUKE (JP)
ODANI OSAMU (JP)
TAKAO EISUKE (JP)
FUJITA SHUNSUKE (JP)
ODANI OSAMU (JP)
Application Number:
PCT/JP2023/016202
Publication Date:
November 16, 2023
Filing Date:
April 25, 2023
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03C3/118; C03C15/00; G01J1/02; G01J1/04
Domestic Patent References:
| WO2021070707A1 | 2021-04-15 |
Foreign References:
| JP2019099414A | 2019-06-24 | |||
| JPH07187706A | 1995-07-25 | |||
| JP2019147722A | 2019-09-05 | |||
| JP2009023898A | 2009-02-05 | |||
| JP2005247598A | 2005-09-15 | |||
| JP2013095619A | 2013-05-20 |
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