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:
Jul. 06, 1993
Filed:
Jul. 09, 1991
Koichi Karaki, Hino, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A scanning acoustic microscope of the present invention comprises a high frequency transmitter for transmitting high frequency signal, first electric/ acoustic conversion element for converting the high frequency signal to ultrasound, acoustic lens having an end surface to which the ultrasound is incident and a concave lens surface to which the incident ultrasound is exited, an ultrasound receiver having a flat receiving surface located in an opposed relation to the concave lens surface to allow the transmission of only that ultrasound substantially vertically incident to the receiving surface, second electric/acoustic conversion element for converting ultrasound which has been transmitted through the ultrasound receiver to an electric signal, and an image processing circuit for preparing an image in accordance with a reception signal delivered from the second electric/acoustic conversion element.