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.

Date of Patent:
Oct. 24, 2017

Filed:

Jan. 09, 2015
Applicant:

Kelk Ltd., Hiratsuka-shi, Kanagawa, JP;

Inventor:

Kazuhiro Mimura, Hiratsuka, JP;

Assignee:

KELK Ltd., Hiratsuka-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 23/00 (2006.01); G05B 15/02 (2006.01); H01L 21/67 (2006.01); G05D 23/19 (2006.01);
U.S. Cl.
CPC ...
G05B 15/02 (2013.01); G05D 23/1934 (2013.01); H01L 21/67248 (2013.01);
Abstract

A temperature controller that performs a temperature control on a plurality of temperature adjusters including a reference temperature adjuster to adjust a temperature of a semiconductor wafer includes a setpoint setting section that: sets a temperature detected by a master temperature detector as a control setpoint for a reference one of the temperature adjusters of a master loop, until a temporary setpoint below an actual control setpoint preset as a desired temperature of the semiconductor wafer is reached; and sets the actual control setpoint as the control setpoint for the master loop after the temporary setpoint is reached.


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