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:
Dec. 19, 2017
Filed:
Jun. 28, 2012
Applicants:
Byung Sook Kim, Seoul, KR;
Jung Eun Han, Seoul, KR;
Inventors:
Byung Sook Kim, Seoul, KR;
Jung Eun Han, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 7/06 (2006.01); G01K 1/12 (2006.01); C21D 1/74 (2006.01); C21D 1/773 (2006.01); F27B 5/04 (2006.01); F27B 5/06 (2006.01); F27B 17/00 (2006.01); F27D 21/00 (2006.01); F27B 5/14 (2006.01); F27D 19/00 (2006.01);
U.S. Cl.
CPC ...
G01K 1/12 (2013.01); C21D 1/74 (2013.01); C21D 1/773 (2013.01); F27B 5/04 (2013.01); F27B 5/06 (2013.01); F27B 17/0016 (2013.01); F27D 7/06 (2013.01); F27D 21/0014 (2013.01); F27B 2005/143 (2013.01); F27D 2019/0025 (2013.01);
Abstract
A vacuum heat treatment apparatus according to the embodiment comprises a chamber; a thermal insulator in the chamber; a reaction container in the thermal insulator; a heating member between the reaction container and the the thermal insulator for heating the reaction container; and a temperature measuring member in or on a surface of the reaction container, wherein the temperature measuring member comprises a thermocouple and a protective tube surrounding the thermocouple, and the protective tube comprises tungsten (W), tantalum (Ta), or silicon carbide (SiC).