US 11,984,639 B2
Antenna device and wireless communication apparatus
Takahiro Igarashi, Kanagawa (JP); Naoki Kakoiyama, Kanagawa (JP); Shuichi Oka, Kanagawa (JP); and Shusaku Yanagawa, Kanagawa (JP)
Assigned to SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa (JP)
Appl. No. 17/425,450
Filed by SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa (JP)
PCT Filed Dec. 13, 2019, PCT No. PCT/JP2019/048911
§ 371(c)(1), (2) Date Jul. 23, 2021,
PCT Pub. No. WO2020/158212, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 2019-017038 (JP), filed on Feb. 1, 2019.
Prior Publication US 2022/0102831 A1, Mar. 31, 2022
Int. Cl. H01Q 1/12 (2006.01); H01Q 9/04 (2006.01)
CPC H01Q 1/1271 (2013.01) [H01Q 9/0414 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An antenna device, comprising:
a first antenna element; and
a second antenna element on a face side of the first antenna element, wherein
the first antenna element includes
a first glass substrate, and
a first patch antenna on the first glass substrate,
the second antenna element includes
a second glass substrate, and
a second patch antenna on the second glass substrate,
the second glass substrate includes, as an air gap, a second recessed portion open to a face side of the second glass substrate facing the first glass substrate,
the second patch antenna is on a side opposite to a bottom face of the second recessed portion, and
at least a part of the first patch antenna faces the second patch antenna with the air gap interposed therebetween.