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. 15, 2002
Filed:
Feb. 09, 2000
Applicant:
Inventor:
Norio Semba, Kumamoto-Ken, JP;
Assignee:
Tokyo Electron Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/04 ;
U.S. Cl.
CPC ...
B01F 3/04 ;
Abstract
In an air feeder for supplying air with a predetermined temperature and humidity into a cup in a resist coating unit provided in a coating and developing system, a cooling section, a by-pass, a heating section, a humidifying section, and a blower are provided. 55% of introduced air is cooled in the cooling section, 45% of the introduced air passes through the by-pass, and mixed air of the cooled air and the air from the by-pass is heated in the heating section and humidified in the humidifying section, thereby enabling energy-saving and space-saving temperature and humidity control.