Patent · US Expired

Ultrasonic probe

US7400079B2 · kind B2 · utility

5Cited by
9References
3Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 16, 2003
Grant dateJul 15, 2008
Priority date
Expiry dateJul 7, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2291/0423
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An ultrasonic probe includes an ultrasonic transducer which is formed by sequentially laminating an acoustic lens, an acoustic matching layer, a piezoelectric element, and a backing member. The backing member arranged on a surface opposed side of the acoustic matching layer and the acoustic lens arranged to the piezoelectric element contains a synthetic rubber containing a mixture including acrylonitrile-butadiene rubber (NBR), ethylen-propylene terpolymer (EPDM), and at least inorganic fine powders.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.