Title:
超音波振動子及びその製法
Document Type and Number:
Japanese Patent JP4504540
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an ultrasonic oscillator in which sound pressure distribution can be made uniform. SOLUTION: The ultrasonic oscillator comprises a piezoelectric element 2 produced by molding a piezoelectric material into a specified planar shape, and a cathode 3 and an anode 4 formed on the piezoelectric element 2 wherein a slit 21 is made in the electrode in order to make uniform a sound pressure being generated from the piezoelectric element by applying a voltage to the cathode and anode.
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Inventors:
Daisuke Matsushima
Osamu Sato
Osamu Sato
Application Number:
JP2000271763A
Publication Date:
July 14, 2010
Filing Date:
September 07, 2000
Export Citation:
Assignee:
Shibaura Mechatronics Co., Ltd.
International Classes:
H04R17/00; B06B1/06; H01L41/09; H01L41/22; H01L41/253; H01L41/29; H04R31/00
Domestic Patent References:
| JP7106651A | ||||
| JP9019665A |
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai