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Specific Process Knowledge/Etch/IBE⁄IBSD Ionfab 300/Etch slow: Difference between revisions

BGE (talk | contribs)
BGE (talk | contribs)
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{| border="2" cellspacing="2" cellpadding="3"  
{| border="2" cellspacing="2" cellpadding="3"  
!Parameter
!Parameter
!Si etch first try
!Si etch test1
!Si etch test2
|-
|-
|Neutalizer current [mA]
|Neutalizer current [mA]
|450
|450
|250
|-
|-
|RF Power [W]
|RF Power [W]
|1200
|1200
|1000
|-
|-
|Beam current [mA]
|Beam current [mA]
|400
|400
|200
|-
|-
|Beam voltage [V]
|Beam voltage [V]
|400
|400
|200
|-
|-
|Beam accelerator voltage
|Beam accelerator voltage
|400
|400
|200
|-
|-
|Ar flow to neutralizer [sccm]
|Ar flow to neutralizer [sccm]
|6.0
|6.0
|6.0
|-
|-
|Ar flow to beam [sccm]
|Ar flow to beam [sccm]
|6.0
|6.0
|6.0
|-
|-
|Rotation speed [rpm]
|Rotation speed [rpm]
|20
|20
|20
|-
|-
|Stage angle [degrees]
|Stage angle [degrees]
|10
|10
|10
|-
|-
|Platen temp.  [dg. Celcius]
|Platen temp.  [dg. Celcius]
|15
|15
|15
|-
|-
|He cooling pressure [mTorr]
|He cooling pressure [mTorr]
|37.5
|37.5
|37.5
|-
|-
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|'''vvv'''
|'''vvv'''
|-
|-
|etch time [min]
|Etch time [min]
|40
|40
|40
|-
|-
|Etch rate in Si [nm/min]
|Etch rate in Si [nm/min]
|19.7
|19.7
|3.58
|-
|-
|Total time in Acetone + ultrasound [min]
|Total time in Acetone + ultrasound [min]
|17
|17
|10
|-
|-
|Was the resist completely removed after acetone + ultrasound?
|Was the resist completely removed after acetone + ultrasound?
|no
|no
|yes
|-
|-
|}
|}