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:
Jan. 11, 2005
Filed:
Feb. 13, 2003
Applicants:
Norihiko Miyashita, Ageo, JP;
Tomoyasu Yano, Ageo, JP;
Ryoma Tsukuda, Ageo, JP;
Isamu Yashima, Ageo, JP;
Inventors:
Norihiko Miyashita, Ageo, JP;
Tomoyasu Yano, Ageo, JP;
Ryoma Tsukuda, Ageo, JP;
Isamu Yashima, Ageo, JP;
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 100 ;
U.S. Cl.
CPC ...
Abstract
A p-type thermoelectric material is prepared by mixing and melting at least two members selected from bismuth, tellurium, selenium, antimony, and sulfur to obtain an alloy ingot; grinding the alloy ingot to obtain powder of the allow mass; and hot pressing the powder. At least the hot pressing is carried out in the presence of any one of hexane and solvents represented by CHOH or CHCO (where n is 1, 2 or 3). A dopant may be used at the step of mixing.