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SiN 250C
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Argon Surface PrepDepositionPump/Purge Cycle
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Sequence ContentsPre dep 250C-SEQUENCESiN 250C Gas StabSiN 250C IgnitionSiN 250C DepPost Dep PD-Purge-SEQUENCE
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Process stepPreDep250C PumpdownPreDep250C O2Ar Gas StabPreDep250C O2Ar IgnitionPreDep250C O2Ar PlasmaPreDep250C PumpdownSiN 250C Gas StabSiN 250C IgnitionSiN 250C DepPost Process FlushPost Process Pumpdown
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Parameters
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Process time (sec)301539030156As required3030
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Pressure (mTorr)05550555100
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Temperature2 (deg C)250250250250250250250250250250
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RF1 Forward Power (W)00130000150000
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RF2 Forward Power (W)006006000080080000
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SiH4 100% (sccm)12.512.512.5
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N2 500 (sccm)100
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AR 100 (sccm)505050202020
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O2 100 (sccm)
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N2 20 (sccm)888
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Temperature1=40 C
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Temperature3=40 C
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Helium Cooler Pressure Setpint=5000mTorr
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seasoning=5min
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deposition=480sec
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post dep clean=1500sec
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