Patent ID: 6788992
Filing Date: 2004-09-07
Classification: H01L

Abstract:
A control device of a semiconductor manufacturing system including semiconductor production equipment and transport equipment transporting wafers contained in a carrier to the semiconductor production equipment, said semiconductor production equipment including a first controller for bringing said semiconductor production equipment to an emergency stop, said transport equipment including a second controller for bringing said transport equipment to an emergency stop, said first and second controllers being connected by a signal line for transmitting a signal from the first controller to the second controller, said second controller configured to bring said transport equipment to the emergency stop when said signal is in an off state,said control device comprising: receiving means for receiving an emergency stop signal for bringing said transport equipment to an emergency stop; and control means, in response to reception of said emergency stop signal by said receiving means, for inhibiting an output of emergency stop designation to said first control circuit, wherein said first controller is configured to turn off the signal in response to reception of said emergency stop signal by said receiving means.