Ultrasound reflector

Details Ultrasound reflector Ultrasound reflector

1978-02-06

1980-06-17

Kamm, William E.

Surgery

Truss

Pad

367151, A61B 500

Patent

active

042079012

ABSTRACT:
A reflector is disclosed, suitable for use in an apparatus for sending and/or receiving ultrasonic energy through a propagating fluid. A thin layer of ultrasonically transmissive material is disposed on a supportive substrate having an optically rough surface. A single gaseous layer is trapped between the ultrasonically transmissive layer and the substrate, the gaseous layer being contained in the asperities of the substrate layer. The substrate is preferably a metal having a roughness in the range of 1 to 10 microns.

REFERENCES:
patent: 2884084 (1959-04-01), Sussman
patent: 3159023 (1964-12-01), Steinbrecher
patent: 3251219 (1966-05-01), Hertz et al.
patent: 3283294 (1966-11-01), Schrom
patent: 3598199 (1971-08-01), Mertens et al.

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