Title:
GLASS POWDER, DIELECTRIC MATERIAL, SINTERED BODY, AND HIGH FREQUENCY CIRCUIT MEMBER
Document Type and Number:
WIPO Patent Application WO/2021/024620
Kind Code:
A1
Abstract:
The glass powder according to the present invention comprises an alkaline borosilicate glass and is characterized by containing, in the glass composition, 0.1-1.0 mol% (but not including 1.0 mol%) of Li2O+Na2O+K2O, wherein the mole ratio Li2O/(Li2O+Na2O+K2O) is 0.35-0.65, the mole ratio Na2O/(Li2O+Na2O+K2O) is 0.25-0.55, the mole ratio K2O/(Li2O+Na2O+K2O) is 0.025-0.20, and the glass powder has a relative permittivity of 3.5-4.0 at 16GHz and 25°C and has a dielectric loss tangent of 0.0020 or less at 16GHz and 25°C.
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Inventors:
UMAYAHARA YOSHIO (JP)
Application Number:
PCT/JP2020/024088
Publication Date:
February 11, 2021
Filing Date:
June 19, 2020
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03C8/02; C03C8/14; C04B35/14; C04B35/16; H01B3/02; H01B3/08; H05K1/03
Domestic Patent References:
| WO2007020825A1 | 2007-02-22 |
Foreign References:
| JP2004269269A | 2004-09-30 | |||
| JPH06263479A | 1994-09-20 | |||
| JPH08333137A | 1996-12-17 |
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