Heat processing apparatus, method of automatically tuning...

Data processing: generic control systems or specific application – Generic control system – apparatus or process – Optimization or adaptive control

Reexamination Certificate

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C700S037000, C700S300000, C219S494000

Reexamination Certificate

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07860585

ABSTRACT:
A heat processing apparatus includes a reaction vessel, a heating unit in the reaction vessel to heat the processing region, a temperature detector that detects temperature in the processing region, and a control part to control the heating unit by PID control. The control part has a rule table, and a performance unit that obtains temperature profiles and calculates differences between actually measured temperatures and target values. It refers to the rule table change the PID constants. The control part also updates relationships between PID constants and predicted temperature change amounts.

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patent: 5-143113 (1993-06-01), None
patent: 2000-183072 (2000-06-01), None
Japanese Office Action issued on Apr. 7, 2009 for Japanese Patent Application No. 2007-106247 with English translation.

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