Title:
COVER FOR MILLIMETER-WAVE RADAR AND MILLIMETER-WAVE RADAR MODULE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2019/212020
Kind Code:
A1
Abstract:
Provided is a cover for a millimeter-wave radar, said cover being provided on an antenna that transmits and/or receives millimeter waves of 75 to 81 GHz and characterized by: comprising a thermoplastic resin composition containing an aromatic polycarbonate resin having a structural unit (A) represented by formula (1); and by satisfying a dielectric constant εr of 3.0 or less, a dielectric tangent tanδ of 8.0×10-3 or less, and a loss factor εr·tanδ of 17.0×10-3 or less. In formula (1), R1 and R2 are hydrogen atoms or methyl groups, and W1 is at least one type selected from a single bond, an oxygen atom, a sulfur atom, and a bivalent organic group.
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Inventors:
MONDEN TOSHIKI (JP)
TSUNODA MORIO (JP)
TAJIMA HIROYUKI (JP)
KIKUCHI TATSUYA (JP)
TSUNODA MORIO (JP)
TAJIMA HIROYUKI (JP)
KIKUCHI TATSUYA (JP)
Application Number:
PCT/JP2019/017457
Publication Date:
November 07, 2019
Filing Date:
April 24, 2019
Export Citation:
Assignee:
MITSUBISHI ENG PLASTICS CORP (JP)
International Classes:
G01S7/03; C08G64/04; G01S13/931; C08L69/00; H01Q1/42
Foreign References:
| JP2011071881A | 2011-04-07 | |||
| JP2014065901A | 2014-04-17 | |||
| JP2014051551A | 2014-03-20 | |||
| US6107976A | 2000-08-22 | |||
| JP2016121334A | 2016-07-07 | |||
| JP2013043942A | 2013-03-04 | |||
| JP2004312696A | 2004-11-04 | |||
| JP5293537B2 | 2013-09-18 | |||
| JP2016121307A | 2016-07-07 |
Other References:
See also references of EP 3789785A4
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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