US Patent 7851977 Electroacoustic component
Patent 7851977 was granted and assigned to Epcos Ag on December, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A component working with guided bulk acoustic waves includes a first substrate, a second substrate, and a layer system between the first and second substrates. The layer system includes a metal layer and a dielectric layer. A ratio of the acoustic impedance of the metal layer to the acoustic impedance of the dielectric layer is greater than or equal to 4.5.
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US Patent 07851977 Electroacoustic component US Patent 7851977 Electroacoustic component
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Patent Number
0785197700
Patent Number
785197700
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078519770
Date of Patent
December 14, 2010
0Patent Application Number
120938760
Date Filed
November 20, 2006
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078519770
Date of Patent
December 14, 2010
0Patent Application Number
120938760
Date Filed
November 20, 2006
0Official Website
Patent Primary Examiner
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US Patent 07851977 Electroacoustic component
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07851977
Date of patent
December 14, 2010
Patent application number
12093876
Date Filed
November 20, 2006
Patent primary examiner
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