Abstract:
A method for treating a substrate with plasma over a wide pressure range is described. The method comprises exposing the substrate to a low pressure plasma in a process chamber. Further, the method comprises exposing the substrate to a high pressure plasma in the process chamber.
Abstract:
The invention can provide a method of processing a wafer using a Real-Time Parameter Tuning (RTPT) procedure to receive an input message that can include a pass-through message, a real-time feedforward message, or a real-time optimization message, or any combination thereof. The RTPT procedures can use real-time wafer temperature data to create, modify, and/or use measurement recipe data, measurement profile data, and/or measurement model data. In addition, RTPT procedures can use real-time wafer temperature data to create, modify, and/or use process recipe data, process profile data, and/or process model data.
Abstract:
Method and system for producing a neutral beam source is described. The neutral beam source comprises a plasma generation system for forming a first plasma in a first plasma region, a plasma heating system for heating electrons from the first plasma region in a second plasma region to form a second plasma, and a neutralizer grid for neutralizing ion species from the second plasma in the second plasma region. Furthermore, the neutral beam source comprises a pumping system that enables use of the neutral beam source for semiconductor processing applications, such as etching processes.
Abstract:
The invention can provide a method of processing a substrate using S-O processing sequences and evaluation libraries that can include one or more optimized spacer creation and evaluation procedures.
Abstract:
A method for implementing FDC in an APC system including receiving an FDC model from memory; providing the FDC model to a process model calculation engine; computing a vector of predicted dependent process parameters using the process model calculation engine; receiving a process recipe comprising a set of recipe parameters, providing the process recipe to a process module; executing the process recipe to produce a vector of measured dependent process parameters; calculating a difference between the vector of predicted dependent process parameters and the vector of measured dependent process parameters; comparing the difference to a threshold value; and declaring a fault condition when the difference is greater than the threshold value.
Abstract:
The invention can provide a method of processing a substrate using Gate-Optimization processing sequences and evaluation libraries that can include gate-etch procedures, COR-etch procedures, and evaluation procedures.
Abstract:
A method is provided to cause deformation of a substrate during processing of the substrate. The method comprises supporting a substrate on a substrate support in a vacuum chamber for processing; providing backside gas through inlet ports of each of a plurality of groups of ports lying in a respective plurality of areas across the substrate support to a space between the substrate support and the substrate, each of said areas of the substrate support having at least one backside gas inlet port connected to a supply of backside gas and at least one outlet port connected to a vacuum exhaust system; and separately controlling the pressure of the backside gas at different ones of the ports of the plurality to control separately, in areas around the respective ones of said ports, the local pressure force exerted on the backside of the substrate, by separately dynamically controlling at least one valve affecting gas flow to a port of each of said areas while separately dynamically controlling at least one other valve affecting gas flow from the remaining plurality of ports of each of said areas surrounding said port to which gas is introduced.
Abstract:
The invention can provide a method of processing a wafer using a Real-Time Parameter Tuning (RTPT) procedure to receive an input message that can include a pass-through message, a real-time feedforward message, or a real-time optimization message, or any combination thereof. The RTPT procedures can use real-time wafer thickness data to create, modify, and/or use measurement recipe data, measurement profile data, and/or measurement model data. In addition, RTPT procedures can use real-time wafer thickness data to create, modify, and/or use process recipe data, process profile data, and/or process model data.
Abstract:
A method for facilitating an ODP measurement of a semiconductor wafer. The method includes obtaining real time wafer characteristic data for a measurement site on said wafer and detecting a measured diffraction signal from a structure within the measurement site of the wafer. The measured diffraction signal is matched with a simulated diffraction signal stored in a wafer characteristic dependent profile library. A hypothetical profile structure associated with the simulated diffraction signal in the wafer characteristic dependent profile library is then identified. The real time wafer characteristic data is used to facilitate at least one of the matching and identifying. The real time wafer characteristic data may be real time wafer thickness data.
Abstract:
A method of using a virtual profile library to determine the profile of an integrated circuit structure includes measuring a signal off the structure with a metrology device. The measurement generates a measured signal. The measured signal is compared to a plurality of signals in at least one library. The comparison is stopped if a matching criteria is met. A subset of a virtual profile data space associated with the virtual profile library is determined when a matching criteria is not met. The subset is determined using profile data space associated with the at least one library. A virtual profile signal of the subset of the virtual profile data space is selected. A virtual profile shape and/or virtual profile parameters are determined based on the virtual profile signal. A difference is calculated between the measured signal and the virtual profile signal. The difference is compared to a virtual profile library creation criteria. If the virtual profile library creation criteria is met, then the structure is identified using virtual profile data, which includes the virtual profile shape and/or the virtual profile parameters, associated with the virtual profile signal. Or, if the virtual profile library creation criteria is not met, then a corrective action is applied.