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Micro microphone dustproof device and mems microphone

A technology of dust-proof device and microphone, which is applied to sensors, electrostatic transducer microphones, electrical components, etc., can solve the problem of large displacement of folds in the mesh, and achieve the effect of uniform stress and reduction of folds.

Active Publication Date: 2022-08-09
WEIFANG GOERTEK MICROELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above problems, the purpose of the present invention is to provide a miniature microphone dust-proof device, to solve the problem that the degree of displacement of the mesh portion folds on the existing miniature microphone dust-proof device is relatively large

Method used

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  • Micro microphone dustproof device and mems microphone
  • Micro microphone dustproof device and mems microphone
  • Micro microphone dustproof device and mems microphone

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Embodiment Construction

[0029] In order to describe the structure of the micro-microphone dustproof device of the present invention in detail, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] figure 1 A top view structure of the miniature microphone dustproof device provided by the embodiment of the present invention is shown; figure 2 The front cross-sectional structure of the micro-microphone dustproof device provided by the embodiment of the present invention is shown; image 3 The three-dimensional structure of the miniature microphone dustproof device provided by the embodiment of the present invention is shown, combined with Figure 1 to Figure 3 As shown in the public, the micro-microphone dustproof device provided by the present invention includes a carrier 13 for supporting and a dustproof net arranged on the carrier 13; the dustproof net allows air to pass through, but blocks the passage of external p...

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Abstract

The invention provides a miniature microphone dustproof device and a MEMS microphone, wherein the miniature microphone dustproof device includes a carrier and a dustproof net arranged on the carrier; characterized in that, the dustproof net includes a support part and a filter part , the filter part is connected with the carrier through the support part; wherein; a connection area is opened from the outside to the inside on the outer periphery of the filter part, and a connection part connected with the filter part is arranged in the connection area and one end of the connecting portion away from the center of the filter portion is integrally formed with the support portion; and a through hole corresponding to the upper and lower positions of the filter portion is formed in the carrier. The above invention can effectively solve the problem that the displacement degree of the folds of the mesh portion on the existing micro-microphone dustproof device is relatively large.

Description

technical field [0001] The invention relates to the technical field of dustproofing of miniature microphones, and more particularly, to a dustproofing device of miniature microphones and a MEMS microphone. Background technique [0002] In order to prevent the chip inside the micro microphone from being affected by external powders, particles and moisture, thereby reducing the service life of the micro microphone, under normal circumstances, it is necessary to design the micro microphone to be dust-proof at the connection between the inside of the micro microphone and the outside world (such as the sound hole). The micro-microphone chip is separated from the external environment by the micro-microphone dust-proof device, so as to protect the micro-microphone chip. [0003] However, conventional dustproof devices for miniature microphones usually include a mesh part and a carrier part, and the two parts are made of different materials. Since the thicknesses, mechanical propert...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R19/04
CPCH04R19/04H04R2201/003
Inventor 畠山庸平林育菁
Owner WEIFANG GOERTEK MICROELECTRONICS CO LTD
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