摘要:
A semiconductor processing apparatus for processing a semiconductor wafer includes a plurality of sensors for monitoring a processing state, a processing result input unit, a model equation generation unit to generate a model equation for predicting a processing result, a processing result prediction unit which predicts a processing result, and a process recipe control unit. Further, a system is provided which comprises the model equation generation unit is provided at a remote location, and transmits the generated prediction model equation to the semiconductor processing apparatus through a network to control the processing condition of the semiconductor processing apparatus by the process recipe control unit.
摘要:
A plasma processing system for processing a workpiece by using plasma generated in a chamber, includes a light transmissive member disposed in the chamber, the workpiece being disposed inside the light transmissive member; and a light receiving unit mounted on the chamber for receiving light inside the light transmissive member, wherein a state of processing the workpiece is detected by using data detected from light inside the light transmissive member before processing the workpiece and data detected from light inside the light transmissive member generated during processing the workpiece. A plasma processing method and system is provided which facilitates an operation of the system and executes a reliable processing.
摘要:
A semiconductor processing apparatus for processing a semiconductor wafer includes a plurality of sensors for monitoring a processing state, a processing result input unit, a model equation generation unit to generate a model equation for predicting a processing result, a processing result prediction unit which predicts a processing result, and a process recipe control unit. Further, a system is provided which comprises the model equation generation unit is provided at a remote location, and transmits the generated prediction model equation to the semiconductor processing apparatus through a network to control the processing condition of the semiconductor processing apparatus by the process recipe control unit.
摘要:
A semiconductor plasma processing apparatus for processing a semiconductor wafer includes a sensor for monitoring at least one processing state of the semiconductor plasma processing apparatus, first and second processing state monitoring units coupled to the sensor, and a selector unit for selecting one of the first and second processing state monitoring units.
摘要:
A method and system are provided for controlling and/or monitoring a semiconductor processing apparatus while predicting its processing results. The system includes a sensor for monitoring a processing state of the processing apparatus, a sensed data storage unit for preserving sensed data sent from the sensor, an input device for inputting measured values for processing results of semiconductor devices processed by the processing apparatus, a processing result measured value storage unit for preserving the inputted processing result measured values, a model equation generation unit for generating a model equation from preserved sensed data and processing result measured values, a model equation storage unit for preserving the generated model equation, a model equation based prediction unit for predicting processing results from the preserved model equation and the sensed data, and a process recipe control unit for controlling processing conditions of the processing apparatus from predicted processing results.
摘要:
A semiconductor processing apparatus for processing a semiconductor wafer includes a sensor for monitoring a processing state of the semiconductor processing apparatus, a processing result input unit which inputs measured values for processing results of a semiconductor wafer processed by the semiconductor processing apparatus, and a model equation generation unit relying on sensed data acquired by the sensor and the measured values to generate a model equation for predicting a processing result using the sensed data as an explanatory variable. The apparatus includes a processing result prediction unit which predicts a processing result based on the model equation and the sensed data, and a process recipe control unit which compares the predicted processing result with a previously set value to control a processing condition or input parameter. The process recipe control unit includes a controller which controls at least one of a plurality of different processing performances for processing of the semiconductor wafer.
摘要:
A semiconductor processing apparatus for processing a semiconductor wafer includes a sensor for monitoring a processing state of the semiconductor processing apparatus, a processing result input unit which inputs measured values for processing results of a semiconductor wafer processed by the semiconductor processing apparatus, and a model equation generation unit relying on sensed data acquired by the sensor and the measured values to generate a model equation for predicting a processing result using the sensed data as an explanatory variable. The apparatus includes a processing result prediction unit which predicts a processing result based on the model equation and the sensed data, and a process recipe control unit which compares the predicted processing result with a previously set value to control a processing condition. The process recipe control unit includes a controller which controls at least one among a plurality of different processing performances for processing of the semiconductor wafer.
摘要:
The invention provides a means for estimating a self-bias voltage under arbitrary etching conditions via a simple procedure. The present invention provides a method for measuring self-bias voltage of an etching apparatus comprising an electrostatic chuck mechanism 1 and 10 for chucking a sample 2, a mechanism 13 and 14 for supplying cooling gas 12 to a rear surface of the sample 2 and controlling the pressure thereof, and a means for measuring the relative force of electrostatic chuck of the sample based on the rear surface pressure control status of the sample 2 being processed, wherein the relative force of electrostatic chuck of the sample and the electrostatic chuck voltage corresponding to the force of electrostatic chuck are acquired based on the rear surface pressure control of the sample 2 when high-frequency bias power is applied to the sample 2 being processed, and the relative force of electrostatic chuck of the sample and the electrostatic chuck voltage corresponding to the force of electrostatic chuck are acquired based on the rear surface pressure control status of the sample when high-frequency bias power is not applied to the sample being processed, and the self-bias voltage is estimated using the acquired forces of electrostatic chuck and the electrostatic chuck voltages corresponding to the two statuses.
摘要:
The invention provides a means for estimating a self-bias voltage under arbitrary etching conditions via a simple procedure. The present invention provides a method for measuring self-bias voltage of an etching apparatus comprising an electrostatic chuck mechanism 1 and 10 for chucking a sample 2, a mechanism 13 and 14 for supplying cooling gas 12 to a rear surface of the sample 2 and controlling the pressure thereof, and a means for measuring the relative force of electrostatic chuck of the sample based on the rear surface pressure control status of the sample 2 being processed, wherein the relative force of electrostatic chuck of the sample and the electrostatic chuck voltage corresponding to the force of electrostatic chuck are acquired based on the rear surface pressure control of the sample 2 when high-frequency bias power is applied to the sample 2 being processed, and the relative force of electrostatic chuck of the sample and the electrostatic chuck voltage corresponding to the force of electrostatic chuck are acquired based on the rear surface pressure control status of the sample when high-frequency bias power is not applied to the sample being processed, and the self-bias voltage is estimated using the acquired forces of electrostatic chuck and the electrostatic chuck voltages corresponding to the two statuses.
摘要:
There is provided a preventive maintenance technique capable of diagnosing apparatus conditions without causing serious decrease in uptime ratio. A plasma process apparatus is composed of a plasma processing main frame, and an apparatus controller controlling the plasma processing main frame. The plasma processing main frame has a vacuum process chamber, an exhaust device evacuating the vacuum process chamber, a mass flow controller supplying a process gas into the vacuum process chamber, a stage electrode receiving a workpiece and holding it by adsorption, a high-frequency electrical source applying a high-frequency electrical power to the supplied process gas to generate plasma, and a transfer device placing the workpiece on the stage electrode and carrying out the processed workpiece. The apparatus controller controls the plasma processing main frame in accordance with a predetermined procedure and is provided with a diagnosis device which acquires a plurality of recipes for processing workpieces carried in the chamber and apparatus parameters of the plasma processing apparatus when a specific recipe of the above recipes is executed, whereby the condition of the plasma processing main frame is diagnosed based on the acquired apparatus parameters.