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. 30, 2003
Filed:
May. 01, 2001
Applicant:
Inventor:
Takashi Nakahara, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 1/00 ; C23C 1/600 ;
U.S. Cl.
CPC ...
C23F 1/00 ; C23C 1/600 ;
Abstract
A processing chamber is provided which comprises an upper chamber having a stage, a lower chamber which is connectable to and separable from the upper chamber, and an exhaust path, wherein the exhaust path has a separator with an exhaust port which is connectable to and separable from a connector of an exhaust duct, and the separator is configured so as to be able to move together with the lower chamber.