Title:
ANTENNA MODULE, COMMUNICATION DEVICE USING SAME, AND METHOD FOR MAKING ANTENNA MODULE
Document Type and Number:
WIPO Patent Application WO/2020/149138
Kind Code:
A1
Abstract:
An antenna module (100) may be installed in a communication device (10). The antenna module (100) is provided with: a dielectric substrate (130) having a multilayer structure; a ground electrode (GND) arranged on the dielectric substrate (130); and a first radiation element (121) of a plate shape. The first radiation element (121) has a first surface (smooth surface) and a second surface (rough surface) having a greater surface roughness than the smooth surface. The first radiation element (121) is arranged in such a manner that the surface thereof opposed to the ground electrode (GND) is the smooth surface thereof.
Inventors:
GOUCHI NAOKI (JP)
Application Number:
PCT/JP2019/051185
Publication Date:
July 23, 2020
Filing Date:
December 26, 2019
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01Q13/08; H01Q5/378; H01Q21/06
Domestic Patent References:
| WO2019008913A1 | 2019-01-10 | |||
| WO2018230475A1 | 2018-12-20 |
Foreign References:
| JPH01180102A | 1989-07-18 | |||
| JPH07307613A | 1995-11-21 | |||
| JP2018082277A | 2018-05-24 | |||
| JPS62123804A | 1987-06-05 | |||
| JPH08181532A | 1996-07-12 | |||
| JPS6374813U | 1988-05-18 | |||
| JPH0340601A | 1991-02-21 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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