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Electron assembly block

A technology for electronic components and piezoelectric components, which can be applied to electrical components, circuits, piezoelectric/electrostrictive/magnetostrictive devices, etc., and can solve the problems of difficulty in adjusting the length of the piezoelectric plate 102

Inactive Publication Date: 2002-06-12
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Like this, the length adjustment of piezoelectric plate 102 is very difficult to accomplish

Method used

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  • Electron assembly block
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Embodiment Construction

[0045]The present invention will become more apparent from the following description of preferred embodiments of the invention with reference to the accompanying drawings.

[0046] Figure 1A It is a longitudinal sectional view of the energy-trapping piezoelectric resonator according to the first preferred embodiment of the present invention.

[0047] Figure 1B It is a perspective view of an energy-trapping piezoelectric resonator.

[0048] The piezoelectric resonator 1 includes a piezoelectric element 2 that is elongated and substantially rectangular in shape. The first resonant electrode 3 is provided on the upper surface 2a of the piezoelectric element 2, and the second resonant electrode 4 is provided on the lower surface 2b. Resonant electrode 3 extends toward the center of piezoelectric element 2 from an edge defined by end surface 2 c and upper surface 2 a of piezoelectric element 2 . On the other hand, the resonance electrode 4 extends toward the center of the pie...

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Abstract

The present invention discloses a piezoelectric resonator. In the piezoelectric resonator, first and second resonance electrodes are provided on the upper surface and the lower surface of a piezoelectric member, inner electrode layers for leading the first and second resonance electrodes to the upper and lower surfaces are provided and extend to the upper and lower surfaces of the piezoelectric member, and connecting electrodes are provided on the upper and lower surfaces of the piezoelectric member, and are electrically connected to the corresponding resonance electrodes via the inner electrode layers.

Description

field of invention [0001] The present invention relates to electronic components such as piezoelectric resonators, and more particularly, to an electronic component in which internal electrodes are provided in elements of the electronic component such as piezoelectric The electrodes are connected. Background technique [0002] In general, piezoelectric resonators employing a thick-thin shear vibration mode are often used in the manufacture of oscillators and other similar devices. In an energy-trapping piezoelectric resonator utilizing a thick-thin shear vibration mode, resonant electrodes are provided on both main surfaces of an elongated rectangular piezoelectric plate. In this piezoelectric resonator, a resonance electrode provided on one main surface thereof is electrically connected to a connection electrode extending from one end surface of the piezoelectric plate to the bottom surface, thereby facilitating surface mounting via one main surface. In some cases, when h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/04H03H9/02H03H9/17H03H9/54H10N30/80H10N30/87
CPCH01L41/047H03H9/177H03H9/178H10N30/875
Inventor 盛永俊吾吉田竜平黑田英明
Owner MURATA MFG CO LTD