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US Patent 9006880 Top port multi-part surface mount silicon condenser microphone

Patent 9006880 was granted and assigned to Knowles (company) on April, 2015 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Patent Applicant
Knowles (company)
Knowles (company)
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Current Assignee
Knowles (company)
Knowles (company)
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
90068800
Patent Inventor Names
Anthony D. Minervini0
Date of Patent
April 14, 2015
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Patent Application Number
141550250
Date Filed
January 14, 2014
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Patent Citations Received
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US Patent 12108204 Acoustic sensor assembly having improved frequency response
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US Patent 11805370 Balanced armature receiver having diaphragm with elastomer surround
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US Patent 11935695 Shock protection implemented in a balanced armature receiver
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Patent Primary Examiner
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Alonzo Chambliss
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Patent abstract

The present invention relates to a surface mount package for a micro-electro-mechanical system (MEMS) microphone die and methods for manufacturing the surface mount package. The surface mount package uses a limited number of components that simplifies manufacturing and lowers costs. The surface mount package features a substrate that performs functions for which multiple components were traditionally required, including providing an interior surface on which the MEMS microphone die is mechanically attached, providing an interior surface for making electrical connections between the MEMS microphone die and the package, and providing an exterior surface for surface mounting the microphone package to a device's printed circuit board and for making electrical connections between the microphone package and the device's circuit board. The microphone package has a substrate with metal pads on its top and bottom surfaces, a sidewall spacer, and a lid. A MEMS microphone die is mounted on the substrate, and the substrate, the sidewall spacer, and the lid are joined together to form the MEMS microphone.

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