Transducer static discharge methods and apparatus

Details Transducer static discharge methods and apparatus Transducer static discharge methods and apparatus

2005-12-20

2009-10-06

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

C367S901000

Reexamination Certificate

active

07599254

ABSTRACT:
Light exposure may reduce the static charge inside a capacitive membrane transducer. For example, ultraviolet light shines on or in a cell. The light increases the energy of the charge carrier and/or ionizes gas in the cavity, allowing reverse migration or dissipation of the static charge.

REFERENCES:
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patent: 2004/0236223 (2004-11-01), Barnes et al.
patent: 2005/0219953 (2005-10-01), Bayram et al.
patent: 2006/0279174 (2006-12-01), Oliver et al.
patent: 2007/0140515 (2007-06-01), Oliver
U.S. Appl. No. 11/152,632, filed Jun. 14, 2005.
High-Frequency CMUT Arrays for High-Resolution Medical Imaging Abstract; located at http://spiedl.aip.org/getabs/servlet/GetablsServlet?prog—normal&id—PSISDG005750000 . . . ; printed on Oct. 20, 2005; 2 pages.

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