Unibody ultrasonic transducer

Details Unibody ultrasonic transducer Unibody ultrasonic transducer

1993-12-06

1995-11-21

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310323, 310328, H01L 4108

Patent

active

054690110

ABSTRACT:
A novel ultrasonic transducer comprises a machined solid metal unibody having a rectangular aperture in the center between a tool mounting end and a balanced end. The end portions are connected by two axial side members which connect to two transverse sides of the rectangular aperture. A stack of piezo electric crystals are mounted in said rectangular aperture between the transverse sides and spaced apart from the axial sides of the aperture. A bonding tool is mounted in a cylindrical aperture in the mounting end of the transducer and tightly mechanically coupled to the mounting end so that the stack of piezo electric crystals are acoustically coupled through the unibody to the bonding tool in a cylindrical aperture by a tightly coupled mounting surfaces.

REFERENCES:
patent: 3789183 (1974-01-01), Conley
patent: 3845332 (1974-10-01), Last
patent: 3861852 (1975-01-01), Berger
patent: 4220886 (1980-09-01), Ciszewski et al.
patent: 4850534 (1989-07-01), Takahashi et al.
patent: 4962330 (1990-10-01), Lierke
patent: 5275324 (1994-01-01), Yamazaki et al.
Ultrasonic Innovations Boost Manufacturing Efficiency-p. 49 Product Engineering-Mar. 1973 issue (see tiny bonder).

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