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:
Feb. 17, 2004
Filed:
Mar. 08, 2002
Applicant:
Inventors:
Jun-ichi Kushibiki, Taihaku-ku, Sendai-shi, Miyagi, JP;
Izumi Watanabe, Miyagi, JP;
Yuji Ohashi, Miyagi, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01H 5/00 ; G01K 1/100 ; G01N 2/400 ; G01N 2/902 ; G01N 2/904 ;
U.S. Cl.
CPC ...
G01H 5/00 ; G01K 1/100 ; G01N 2/400 ; G01N 2/902 ; G01N 2/904 ;
Abstract
All independent acoustical physical constants (elastic constants, piezoelectric constants, dielectric constants and density) of a material are predetermined as a function of its chemical composition, and the calibration line between the acoustic velocity for each of the substrate crystal plane, the propagation direction and the propagation mode, and other chemical and physical properties is numerically calculated with ease without making any experiments.