Title:
ULTRASONIC DEVICE AND ULTRASONIC SENSOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/189812
Kind Code:
A1
Abstract:
The disclosed ultrasonic device is equipped with a cylindrical, floor-equipped case, a piezoelectric element, a lead wire, and a filler material. The piezoelectric element is provided on the inner floor surface of the case. The lead wire is connected to the piezoelectric element. The filler material seals the case. The case has a first thin wall section and a first thick wall section. The first thin wall section is formed along the inner wall surface of the case. The first thick wall section has a first projection that projects toward the interior space of the case from the inner wall surface of the case.
Inventors:
TANAKA NAOKI
HASHIMOTO MASAHIKO
TAKEDA KATSU
IWAMOTO TAKUYA
SANO KENJI
WATANABE TAKUJI
HASHIMOTO MASAHIKO
TAKEDA KATSU
IWAMOTO TAKUYA
SANO KENJI
WATANABE TAKUJI
Application Number:
PCT/JP2016/002321
Publication Date:
December 01, 2016
Filing Date:
May 12, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01S7/521; G01S15/93; H04R17/00
Domestic Patent References:
| WO2007091609A1 | 2007-08-16 | |||
| WO2009090695A1 | 2009-07-23 |
Foreign References:
| JP2014027516A | 2014-02-06 | |||
| JP2001337172A | 2001-12-07 | |||
| JP2012010312A | 2012-01-12 | |||
| JP2012235445A | 2012-11-29 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
Kenji Kamata (JP)
Kenji Kamata (JP)
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