Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTENNA SUBSTRATE AND ANTENNA MODULE
Document Type and Number:
WIPO Patent Application WO/2019/087733
Kind Code:
A1
Abstract:
This antenna substrate includes a first patch antenna, a second patch antenna provided facing one main surface of the first patch antenna, and a ground electrode provided facing another main surface of the first patch antenna. The antenna substrate further includes, in the stated order, an antenna holding layer that holds the second patch antenna, an inter-antenna layer positioned between the first patch antenna and the second patch antenna, and a substrate layer positioned between the first patch antenna and the ground electrode. The inter-antenna layer is made of a dielectric material. A relative dielectric constant εr1 of the antenna holding layer, a relative dielectric constant εr2 of the inter-antenna layer, and a relative dielectric constant εr3 of the substrate layer satisfy the relationship εr3>εr1≥εr2.

Inventors:
YAMAMOTO, Issei (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2018/038077
Publication Date:
May 09, 2019
Filing Date:
October 12, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H01Q13/08; H01Q1/38; H01Q1/40; H01Q23/00
Domestic Patent References:
WO2016067906A12016-05-06
Foreign References:
JP2009188895A2009-08-20
JPH0998016A1997-04-08
JPH09275317A1997-10-21
JPS60158307U1985-10-22
US20090289852A12009-11-26
US6211824B12001-04-03
JP2012235351A2012-11-29
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (5-36, Miyahara 3-chome Yodogawa-ku, Osaka-sh, Osaka 03, 〒5320003, JP)
Download PDF: