Heat sealable transducer shield and method of application

Details Heat sealable transducer shield and method of application Heat sealable transducer shield and method of application

2006-04-04

2006-04-04

Imam, Ali (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

Reexamination Certificate

active

07022081

ABSTRACT:
Transducers and methods of manufacturing transducers with at least one of environmental and electromagnetic protection are provided. Diced ultrasonic transducer stacks are covered with a shield layer or film. The shield layer is bonded to the transducer stack without adhesive. For example, a heat sealable amorphous surface is used to bond the shield layer to the ultrasound stack. The shield layer forms an environmental and/or electromagnetic barrier. Since adhesive is not used for bonding the shield layer, the kerfs are uniformly air filled.

REFERENCES:
patent: 4961347 (1990-10-01), Arakawa et al.

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