Sound transducer structure and method for manufacturing a...

Details Sound transducer structure and method for manufacturing a... Sound transducer structure and method for manufacturing a...

2011-03-22

2011-03-22

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Microphone capsule only

C381S174000, C029S594000

Reexamination Certificate

active

07912236

ABSTRACT:
For manufacturing a sound transducer structure, membrane support material is applied on a first main surface of a membrane carrier material and membrane material is applied in a sound transducing region and an edge region on a surface of the membrane support material. In addition, counter electrode support material is applied on a surface of the membrane material and recesses are formed in the sound transducing region of the membrane material. Counter electrode material is applied to the counter electrode support material and membrane carrier material and membrane support material are removed in the sound transducing region to the membrane material.

REFERENCES:
patent: 7362873 (2008-04-01), Pedersen
patent: 7386136 (2008-06-01), Ohbayashi et al.
patent: 7537964 (2009-05-01), Minervini
patent: 7596841 (2009-10-01), Yao et al.
patent: 7697707 (2010-04-01), Akino
patent: 7706554 (2010-04-01), Ogura et al.
patent: 1795699 (2006-06-01), None

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