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:
Mar. 10, 2009
Filed:
Jul. 19, 2007
Applicants:
Kiyohiro Matsushita, Tama, JP;
Kenichi Kagami, Tama, JP;
Inventors:
Kiyohiro Matsushita, Tama, JP;
Kenichi Kagami, Tama, JP;
Assignee:
ASM Japan K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for managing UV irradiation for curing a semiconductor substrate, includes: passing UV light through a transmission glass window provided in a chamber for curing a semiconductor substrate placed in the chamber; monitoring an illuminance upstream of the transmission glass window and an illuminance downstream of the transmission glass window; determining a timing and/or duration of cleaning of the transmission glass window, a timing of replacing the transmission glass window, a timing of replacing a UV lamp, and/or an output of the UV light based on the monitored illuminances.
Published as:
CN101350293A; US2009023229A1; KR20090009105A; US7501292B2; JP2009272595A; CN101350293B; JP4971262B2; KR101498134B1;