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Resonator, elastic wave transmission element and manufacturing method thereof

A technology of transmission components and manufacturing methods, applied in the direction of electrical components, impedance networks, etc., can solve problems that do not meet system requirements

Inactive Publication Date: 2014-08-13
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the acoustic impedance mismatch is serious, most of the energy of the elastic wave will be reflected, which does not meet the system requirements

Method used

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  • Resonator, elastic wave transmission element and manufacturing method thereof
  • Resonator, elastic wave transmission element and manufacturing method thereof
  • Resonator, elastic wave transmission element and manufacturing method thereof

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Embodiment Construction

[0031] Currently, when elastic waves are transmitted, acoustic impedance mismatches often occur, resulting in impenetrable energy penetration. In view of this, the embodiments of the present invention make use of progressive structural defects to make the elastic wave transmission element have progressive acoustic impedance for achieving the effect of acoustic impedance matching. In this way, reflected energy can be effectively reduced. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate exemplary embodiments of the present invention, wherein the same reference numerals indicate the same or similar steps.

[0032] figure 1 is a schematic diagram of an elastic wave transmission acoustic impedance conversion element according to an embodiment of the present invention. The elastic wave transmission acoustic impedance conversion element 10 includes a base body (Base Body) 20 . The base body 20 incl...

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Abstract

The invention discloses a resonator, an elastic wave transmission element and a manufacturing method thereof. An elastic wave transmission element has a first side and a second side. The elastic wave transmission element includes multiple structures. The above-mentioned structures are arranged sequentially along the direction from the first side to the second side, and each have different defects. The impedance of the above structure decreases sequentially along the direction. In this way, the elastic wave transmission element can have an impedance matching function.

Description

technical field [0001] The present invention relates to an elastic wave transmission element, and in particular to an elastic wave transmission element with impedance matching function. Background technique [0002] Impedance Match is a part of microwave electronics. It is mainly used on transmission lines to achieve the purpose that all high-frequency microwave signals can be transmitted to the load point, and almost no signal will be reflected back to the source point, thereby improving Energy Efficiency. [0003] It is worth mentioning that the transmission of elastic waves (Mechanical Wave) also has the problem of signal reflection, and the above elastic waves can also be called mechanical waves. When the acoustic impedance mismatch is severe, most of the energy of the elastic wave will be reflected, which does not meet the system requirements. Contents of the invention [0004] The object of the present invention is to provide a resonator, an elastic wave transmissi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03H9/145H03H9/25
Inventor 黄俊哲张平王钦宏林暐智潘力齐
Owner IND TECH RES INST
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