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:
Sep. 14, 2004
Filed:
Jun. 18, 2002
Applicant:
Inventors:
Masataka Matsunaga, Kumamoto-Ken, JP;
Akira Miyata, Kumamoto-Ken, JP;
Yuichi Douki, Kumamoto-Ken, JP;
Assignee:
Tokyo Elecetron Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/100 ;
U.S. Cl.
CPC ...
H01L 2/100 ;
Abstract
In this invention, a time period taken with a wafer W to be transferred to the heat processing apparatus in the post exposure baking unit through the out stage in the aligner, the wafer transfer mechanism, the transition unit, the wafer transfer mechanism, and the temperature regulation and transfer apparatus in the post exposure baking unit is controlled to be approximately constant.