Title:
CRYSTALLIZED GLASS, GLASS SUBSTRATE FOR HIGH FREQUENCY DEVICE, HIGH FREQUENCY FILTER DEVICE, LIQUID CRYSTAL ANTENNA, AMORPHOUS GLASS AND METHOD FOR PRODUCING CRYSTALLIZED GLASS
Document Type and Number:
WIPO Patent Application WO/2023/136225
Kind Code:
A1
Abstract:
The present invention relates to a crystallized glass wherein: the rate of change ΔDk (/°C) of relative permittivity with temperature at 10 GHz, which is defined by formula (A) and calculated in accordance with formula (A), is -50 ppm (/°C) to 50 ppm (/°C); and the total content of alkali metal oxides R2O is 3.0% or less in terms of oxides by molar percentage.
Inventors:
KANEHARA KAZUKI (JP)
NIWANO KAZUHIKO (JP)
KIDERA NOBUTAKA (JP)
NIWANO KAZUHIKO (JP)
KIDERA NOBUTAKA (JP)
Application Number:
PCT/JP2023/000236
Publication Date:
July 20, 2023
Filing Date:
January 06, 2023
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C10/02; C03B32/02; C03C3/091; C03C10/06; C03C10/08
Domestic Patent References:
| WO2019082590A1 | 2019-05-02 | |||
| WO2022059724A1 | 2022-03-24 |
Foreign References:
| JP2005082415A | 2005-03-31 | |||
| JP2000339672A | 2000-12-08 | |||
| CN112939471A | 2021-06-11 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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