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:
Oct. 03, 2000
Filed:
Aug. 25, 1998
Applicant:
Inventors:
Shinji Uchida, Neyagawa, JP;
Hiroshi Atsuta, Katano, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
356432 ; 356300 ; 25033911 ;
Abstract
An improved attenuated total reflection (ATR) element and the measurement apparatus employing the element capable of performing a measurement with a high accuracy at a low operating cost is disclosed. An ATR element of the present invention permits an incident beam to have an internal total reflection at the surface, and comprises a projection protruded at the portion where the incident beam has the internal total reflection.