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:
Jul. 15, 2003
Filed:
Mar. 12, 2002
Applicant:
Inventors:
Yasuhiro Marume, Hyogo, JP;
Toshiyuki Watanabe, Hyogo, JP;
Masaki Otani, Hyogo, JP;
Takamasa Inobe, Hyogo, JP;
Yasuhiro Sato, Hyogo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/166 ;
U.S. Cl.
CPC ...
H01L 2/166 ;
Abstract
A method of process control includes the steps of preparing recycling procedure data for each type of film formed on a wafer by diffusion processing, setting a recycle control number for controlling recycling processing based on the recycling procedure data, and outputting a recycling instruction to the recycling apparatus when the prescribed number of non-product wafers are accumulated and when an accept request is received from the recycling apparatus.