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SiO2 LDR 250C
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Category nameSiO2 LDR - Std.
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Sequence nameSiO2 LDR250C
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PurposeArgon Surface Prep DepositionPost Deposition
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Sub Sequence namePre dep 250C-SEQUENCEPost Dep PD-Purge-SEQUENCE
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Process step namePre Dep 250C PumpdownPre Dep 250C O2Ar Gas StabPre Dep 250C O2Ar IgnitionPre Dep 250C O2Ar PlasmaPre Dep 250C PumpdownSiO2 LDR 250C Gas Stab SiO2 LDR 250C Ignition SiO2 LDR 250C DepPost Process FlushPost Process Pumpdown
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Parameters
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Process time (sec)301539030303As required3030
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Pressure (mTorr)05550555100
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Temperature2 (deg C)250250250250250250250250250250
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HeliumCoolerPressureSetpoint(mTorr)5000500050005000500050005000500050005000
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RF1 Forward Power (W)001300001501500
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RF2 Forward Power (W)006006000080080000
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SiH4 100% (sccm)0000055500
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N2 500 (sccm)000000001000
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AR 100 (sccm)0505050000000
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O2 100 (sccm)0000015151500
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N2 20 (sccm)0000000000
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↑ This is the Ar preclean step.
Apparently some users changed this to O2 or Ar/O2?
Would prefer for this to be an O2 step, not Ar.
↑ This is the main Dep step,
set the TIME appropriately,
do not change any other parameters.
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