Rapid fabrication techniques for arbitrary shape...

Details Rapid fabrication techniques for arbitrary shape... Rapid fabrication techniques for arbitrary shape...

2008-09-30

2011-10-25

Crispino, Richard (Department: 1745)

Metal working

Method of mechanical manufacture

Electrical device making

C029S592100, C029S025350, C029S595000, C029S609100, C427S100000, C427S262000, C381S190000

Reexamination Certificate

active

08042255

ABSTRACT:
The present invention provides methods for making an acoustic transducer. In one possible embodiment, a rigid inner shell is provided with a conductive exterior surface. Masking material is applied onto a first location on the conductive exterior surface of the rigid inner shell. Piezoelectric material is deposited over the conductive exterior surface of the rigid inner shell and the masking material. Conductive material is deposited onto the piezoelectric material. The masking material is removed. A first signal lead is attached to the first location on the conductive exterior surface of the rigid inner shell. A second signal lead is attached to the conductive material.

REFERENCES:
patent: 5825902 (1998-10-01), Fujishima
patent: 6060818 (2000-05-01), Ruby et al.

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