Multilayer ultrasonic transducer and method for...

Details Multilayer ultrasonic transducer and method for... Multilayer ultrasonic transducer and method for...

2005-12-08

2009-08-11

SanMartin, Jaydi (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

07573181

ABSTRACT:
A multilayer ultrasonic transducer includes a multilayer piezoelectric substrate assembly (100) laminated with a first and a second piezoelectric substrate on top of each other, and having a first electrode node (42) and a second electrode (44) node polarized with a primary electrode and a secondary electrode, respectively, a flexible printed circuit board coupled to the first electrode node, a backing block with a predetermined thickness surrounded by the flexible printed circuit board, a ground flexible printed circuit board coupled to the second electrode node, and an acoustic matching layer deposited on the multilayer piezoelectric substrate assembly.

REFERENCES:
patent: 5617865 (1997-04-01), Palczewska et al.
patent: 6121718 (2000-09-01), Mohr, III
patent: 6515403 (2003-02-01), Schober et al.
patent: 6552471 (2003-04-01), Chandran et al.
patent: 6996883 (2006-02-01), Chandran et al.

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