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:
Mar. 22, 1994
Filed:
Jul. 31, 1992
Applicant:
Inventors:
Mitsuhiko Nagata, Kanagawa, JP;
Shoji Kamiunten, Kanagawa, JP;
Tatsuyuki Uchida, Tokyo, JP;
Misako Seita, Tokyo, JP;
Assignee:
Yamatake-Honeywell Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; H01C / ;
U.S. Cl.
CPC ...
73 2503 ; 422 98 ; 374135 ; 338 24 ; 338 25 ;
Abstract
A thermal conductivity detector includes a thin diaphragm, a heat-generating portion, and a pair of boundary holes. The thin diaphragm is obtained by forming a space in part of a base. The heat-generating portion is formed in the diaphragm. The boundary holes are formed to surround the heat-generating portion.