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Transcript of https___~avreddy_VLSI Fabrication Principles, Silicon and Gallium Arsenide - 1994 Ghandi (Wiley,...
3/29/2015 SILVACO Products ATHENA Process Simulation Framework
http://www.silvaco.com/products/tcad/process_simulation/athena/athena.html 1/3
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SSuprem 4 2D Core ProcessSimulatorSSuprem 4 is a 2Dprocess simulator thatis widely used in thesemiconductor industryfor design, analysis andoptimization of variousfabricationtechnologies. SSuprem4 accuratelysimulates all major process steps inmodern technology by using a wide rangeof physical models for diffusion, ionimplantation, oxidation, etching,deposition, silicidation, epitaxy and stressformation.
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Elite Advanced Physical Etchingand Deposition SimulatorElite is an advanced2D topographysimulator for modelingphysical etching,deposition, reflow andCMP planarizationprocesses for modernsemiconductor technologies. Within theAthena framework, Elite providesseamless bidirectional integration withSSuprem4 and Optolith process simulatorsand contains an additional MC Deposit/Etchmodule, which provides several MonteCarlo based atomistic etching anddeposition models.
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MC Implant Advanced MonteCarlo Implantation SimulatorMC Implant is ageneric ionimplantation simulator,which models ionstopping, defectgeneration, and ionimplantationdistributions in amorphous and crystallinematerials. Extensive comparisons withmeasured profiles have shown that MCImplant is highly accurate and predictive.The simulator can be used for majority ofion/material combinations, arbitrarygeometries, different substrateorientations, implant doses, energies andangles.
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MC Etch & Depo 2D Monte CarloDeposition and Etch SimulatorMC Etch & Depo is anadvanced topologysimulation moduleseamlessly interfacedwith Elite, through theAthena framework. Themodule includesseveral Monte Carlo based models for thesimulation of etch and deposit processeswhich use fluxes of atomic particles.
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AthenaProcess Simulation Framework
Athena framework integrates several process simulation modules within auserfriendly environment provided by Silvaco TCAD interactive tools. Athenahas evolved from a worldrenowned Stanford University simulator SUPREMIV,with many new capabilities developed in collaboration with dozens of academicand industrial partners. Athena provides a convenient platform for simulatingprocesses used in semiconductor industry: ion implantation, diffusion,oxidation, physical etching and deposition, lithography, stress formation andsilicidation.
Key Features:
Fast and accurate simulation of all critical fabrication steps used inCMOS, bipolar, SiGe/SiGeC, SiC, SOI, IIIV, optoelectronic, MEMS, andpower device technologiesAccurately predicts multilayer topology, dopant distributions, andstresses in various device structuresAdvanced simulation environment allows:
easy creation and modification of process flow input decksincluding automatic control of layout mask sequencesautomatic and userdefined mesh generation and controlinteractive plotting of 2D structures and distributions as well as 1Dcrosssectionsruntime extraction of important process and device parametersoptimization of process flow and calibration of model parameters
Focused TCAD support team of Ph.D. physicists continuously developingmodels for new semiconductor technology advancesReplaces costly wafer experiments with simulations to enable shorter technology development cycles andhigher yieldsSilvaco's strong encryption is available to protect valuable customer and third party intellectual property.
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MC Implant Advanced MonteCarlo Implantation SimulatorGeneric ion implantation simulator which models ion stopping,defect generation, and ion implantation distribution in amorphousand crystaline materials
3/29/2015 SILVACO Products ATHENA Process Simulation Framework
http://www.silvaco.com/products/tcad/process_simulation/athena/athena.html 2/3
Optolith Advance 2D OpticalLithography SimulatorOptolith is a powerfulnonplanar 2Dlithography simulatorthat models all aspectsof modern deep submicron lithography:imaging, exposure,photoresist bake, development and reflow.Optolith provides a fast and accuratealternative to experimental evaluation ofmask printability and process control.Optolith simulates both projection imagingand proximity printing with a large masktoresist gap.
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Typical 90nm CMOS Process Flow
Athena Framework Architecture
Athena Inputs/Outputs
Rev. 042313_22
3/29/2015 SILVACO Products ATHENA Process Simulation Framework
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