PROCESS CONTROL DEVICE AND PROCESS CONTROL METHOD ENABLING RESTORATION OF LOT CONTROL
Patent №
US 6,463,348
Granted
2002-10-08
Filed 1999
Owner
MITSUBISHI DENKI KABUSHIKI KAISHA
+1 more
Lab
—
AI components
1
planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
09354576
A process control device for controlling a processing device and a transport apparatus while updating process information of a lot includes: a control information update unit to update control information for controlling the processing device and the transport apparatus; a work-in-process information update unit to update the work-in-process information indicating a location of a lot; a processing device control unit to control the processing device according to the control information updated by the control information update unit and the work-in-process information updated by the work-in-process information updated unit; and a transport apparatus control unit to control the transport apparatus according to the control information updated by the control information update unit and the work-in-process information updated by the work-in-process information update unit. The control information update unit deletes, when trouble occurs, the control information of a lot that is in process at a location where the trouble occurred. Thus, it is possible to release the lot from control of the process control device, and to prevent control of other lots from being restricted.
AI classification
Ownership
MITSUBISHI DENKI KABUSHIKI KAISHA
assignment · 101100919
RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION
assignment · 101100919
Assignors
TAKECHI, RYUJI, MARUME, YASUHIRO, OOTANI, MASAKI, INOBE, TAKAMASA, OOTA, KATUYA, SATOU, YASUHIRO
On an employer assignment, the assignors are typically the inventors.