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Title:
UV-TRANSMITTING GLASS, UV IRRADIATION DEVICE, AND UV STERILIZATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/163963
Kind Code:
A1
Abstract:
Provided are a UV-transmitting glass having a high UV transmittance and good mechanical strength, and a UV irradiation device and UV sterilization device using the UV-transmitting glass. The UV-transmitting glass is a glass body having a surface compressive stress layer of 3-50 μm from the surface in the depth direction, wherein the glass body has a transmittance of 70% or more with respect to a wavelength of 254 nm as measured by a spectral transmittance measurement with a thickness of 0.5 mm. The UV irradiation device uses the UV-transmitting glass, and the sterilization device 10 uses the UV-transmitting glass 12.

Inventors:
SAKAGAMI TAKAHIRO (JP)
SHIRATORI MAKOTO (JP)
Application Number:
PCT/JP2017/009904
Publication Date:
September 28, 2017
Filing Date:
March 13, 2017
Export Citation:
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Assignee:
ASAHI GLASS CO LTD (JP)
International Classes:
C03C3/089; A61L2/10; B01J19/12; C02F1/32; C03B27/012; C03C3/091; C03C3/093; C03C21/00
Foreign References:
JPH03237036A1991-10-22
JPH0393644A1991-04-18
JP2013056159A2013-03-28
JPS6017291U1985-02-05
JP2015074589A2015-04-20
JPS6021830A1985-02-04
JPH02141438A1990-05-30
JPH02252636A1990-10-11
JPH07187707A1995-07-25
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
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