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Title:
CIRCUIT BOARD FOR HIGH FREQUENCY DEVICES, AND HIGH FREQUENCY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/255194
Kind Code:
A1
Abstract:
The present invention relates to a circuit board for high frequency devices, the circuit board comprising a glass substrate which has a dielectric loss tangent of 0.0090 or less at 20°C and 10 GHz and in which crystals precipitate and the crystals can be cut by means of etching.

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Inventors:
KATO TAKEYUKI (JP)
KUROIWA YUTAKA (JP)
INUZUKA NOBUO (JP)
YAMAMOTO HIROFUMI (JP)
Application Number:
PCT/JP2022/021432
Publication Date:
December 08, 2022
Filing Date:
May 25, 2022
Export Citation:
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Assignee:
AGC INC (JP)
International Classes:
H05K1/03; H01L23/12; H01L23/15
Foreign References:
CN111718120A2020-09-29
CN106746606A2017-05-31
JP2015025758A2015-02-05
JP2020536402A2020-12-10
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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