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Patent Searching and Data


Title:
RESONATOR AND RESONANCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/008830
Kind Code:
A1
Abstract:
The present invention enables improvement in confining performance at a given aspect ratio. The present invention is provided with: a vibration part comprising a substrate having a main surface defined in width and length directions and one or more electrodes formed in the region spanning substantially all of the main surface in at least the longitudinal direction of the substrate, and having as the primary vibration thereof a stretching vibration in widthwise direction in response to voltage applied to the electrodes; a holding part disposed so as to surround at least a portion of the vibration part; and a holding arm connecting the vibration part with the holding part. The vibration part has a width Wo disposed widthwise at a lengthwise end section, and has one or more odd-shaped sections formed in indenting or protruding manner in the width direction so as to have a width Wm different from the width Wo disposed between one pair of opposing lengthwise end sections.

Inventors:
NISHIMURA, Toshio (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
KAAJAKARI, Ville (Inc. 2200 Lake Park Drive, Smyrn, Georgia 7604, 300807604, US)
Application Number:
JP2018/009059
Publication Date:
January 10, 2019
Filing Date:
March 08, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H03H9/24; H03B5/32; H03H9/10
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (TMI ASSOCIATES, 23rd Floor Roppongi Hills Mori Tower, 6-10-1, Roppongi, Minato-k, Tokyo 23, 〒1066123, JP)
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