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.

Date of Patent:
Jan. 14, 1992

Filed:

Mar. 20, 1990
Applicant:
Inventors:

Noritaka Nakaso, Tokyo, JP;

Yusuke Tsukahara, Tokyo, JP;

Masao Saito, Tokyo, JP;

Katsumi Ohira, Tokyo, JP;

Assignee:

Poppan Printing Co., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
73624 ; 73633 ; 73641 ;
Abstract

Various ultrasonic transducer assemblies are disclosed in which each assembly includes a pair of ultrasonic transducers for emitting or receiving an ultrasonic wave, respectively, and wherein the ultrasonic transducers include a concave shaped ultrasonic transducer and a flat shaped ultrasonic transducer. The ultrasonic transducer assemblies realize excellent magnitude of accuracy, resolving power, versatility and simplicity in handling. In addition, various ultrasonic acoustic microscopes are disclosed incorporating the aforementioned ultrasonic transducer assemblies and realizing the same results thereof.


Find Patent Forward Citations

Loading…