Title:
GLASS SUBSTRATE FOR HIGH FREQUENCY DEVICE, LIQUID CRYSTAL ANTENNA AND HIGH FREQUENCY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/100834
Kind Code:
A1
Abstract:
The present invention pertains to a glass substrate for a high frequency device, said glass substrate comprising, in mol percent on an oxide base, 0.1-13% of an alkaline earth metal oxide, 1-40% of Al2O3+B2O3 wherein the ratio Al2O3/(Al2O3+B2O3) is 0-0.45, and 0.1-1.0% of a trace component such as Sc2O3 or 1.5-4.0% of ZnO2+ZrO2, containing SiO2 as a main component, and having a dielectric loss tangent at 35 GHz of 0.007 or less.
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Inventors:
ONO KAZUTAKA (JP)
MATSUO YUSAKU (JP)
NOMURA SHUHEI (JP)
MATSUO YUSAKU (JP)
NOMURA SHUHEI (JP)
Application Number:
PCT/JP2019/044196
Publication Date:
May 22, 2020
Filing Date:
November 11, 2019
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C3/085; C03C4/16
Domestic Patent References:
| WO2018012490A1 | 2018-01-18 | |||
| WO2018051793A1 | 2018-03-22 |
Foreign References:
| JP2016528152A | 2016-09-15 | |||
| JP2000208778A | 2000-07-28 | |||
| JP2014244171A | 2014-12-02 | |||
| JP2018213526A | 2018-11-14 | |||
| JP2018213526A | 2018-11-14 |
Other References:
See also references of EP 3882222A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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