Microphone and method for fabricating the same

Details Microphone and method for fabricating the same Microphone and method for fabricating the same

2009-03-02

2011-12-13

Ho, Tu-Tu (Department: 2818)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Housed microphone

C381S361000, C029S594000, C257S419000

Reexamination Certificate

active

08077900

ABSTRACT:
A microphone includes: a substrate including a tone hole and having a top surface on which a substrate electrode is provided; a converter provided on the top surface of the substrate and including a main body having a back space, a diaphragm provided at the bottom of the back space of the main body, and a converter electrode provided on a region of a bottom surface of the main body facing the substrate electrode; and a bump connecting the substrate electrode and the converter electrode to each other. The diaphragm vibrates in response to sound entering from the tone hole. The converter converts sound into a signal.

REFERENCES:
patent: 7579678 (2009-08-01), Suzuki et al.
patent: 2002/0148289 (2002-10-01), Isogai et al.
patent: 2003/0133588 (2003-07-01), Pederson
patent: 2005/0194685 (2005-09-01), Weiblen et al.
patent: 2006/0185437 (2006-08-01), Sato et al.
patent: 2006/0210106 (2006-09-01), Pederson
patent: 2007/0144261 (2007-06-01), Okuda et al.
patent: 2007/0157731 (2007-07-01), Okuda et al.
patent: 2008/0173096 (2008-07-01), Sato et al.
patent: 09-092670 (1997-04-01), None

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