The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 2001
Filed:
Nov. 30, 1998
Mikio Izumi, Soka, JP;
Takashi Ikeda, Nagareyama, JP;
Hitachi Medical Corporation, Tokyo, JP;
Abstract
An ultrasonic probe including a plurality of transducer elements for transmitting an ultrasonic wave and receiving a reflected ultrasonic wave from inside of an object to be examined, electrodes for applying a voltage to the transducer elements, and an acoustic matching layer for taking a matching of an acoustic impedance between the transducer elements and the object to be examined, wherein the acoustic matching layer includes a plurality of materials each of which has a different acoustic impedance and has an anisotropy in acoustic characteristic between an ultrasonic wave-transmitting direction from the transducer elements and a direction perpendicular to the ultrasonic wave-transmitting direction.