	US 12,404,209 B2
	Laminate
Masahiro Hayashi, Shiga (JP); and Kosuke Kawamoto, Shiga (JP)
Assigned to NIPPON ELECTRIC GLASS CO., LTD., Shiga (JP)
Appl. No. 18/024,314
Filed by Nippon Electric Glass Co., Ltd., Shiga (JP)
PCT Filed Aug. 19, 2021, PCT No. PCT/JP2021/030411 § 371(c)(1), (2) Date Mar. 2, 2023, PCT Pub. No. WO2022/054527, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 2020-150210 (JP), filed on Sep. 8, 2020; and application No. 2020-206788 (JP), filed on Dec. 14, 2020.
Prior Publication US 2023/0265011 A1, Aug. 24, 2023
Int. Cl. C03C 25/007 (2018.01); C03C 3/083 (2006.01); C03C 3/091 (2006.01); C03C 25/46 (2006.01)

CPC C03C 25/007 (2013.01) [C03C 3/083 (2013.01); C03C 3/091 (2013.01); C03C 25/46 (2013.01); C03C 2201/40 (2013.01); C03C 2203/50 (2013.01); C03C 2217/25 (2013.01)]

10 Claims

1. A laminate, comprising

at least one glass sheet and at least one resin layer,

a relative dielectric constant of the glass sheet at 25° C. and a frequency of 2.45 GHz being 5 or less, and a dielectric loss tangent of the glass sheet at 25° C. and a frequency of 2.45 GHz being 0.003 or less,

wherein the glass sheet comprises at least 60 mol % of SiO₂, from 1 to 15 mol % of Al₂O₃, from 20 to 30 mol % of B₂O₃, from 0 to 6.2 mol % of MgO+CaO+SrO+BaO, from 0 to 5 mol % of MgO, and from 0 to 5 mol % of CaO in a glass composition.