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Specific Process Knowledge/Thin film deposition/Deposition of TiW: Difference between revisions

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<i> Unless otherwise stated, this page is written by <b>DTU Nanolab internal</b></i>


Deposition of TiW alloy can take place in the Wordentec. '''Observe:''' ''right now we don´t have a TiW target for Wordentec, please contact thinfilm@danchip.dtu.dk if you are interested in depositing TiW.''
==Sputtering of TiW==


Deposition of TiW alloy was done in the past in the [[Specific Process Knowledge/Thin film deposition/Wordentec|Wordentec]]. This tool is now decommissioned, and if necessary processes may be developed for depositing TiW in the Lesker sputter setups (contact responsible staff for this).


 
*[[/Sputtering of TiW in Wordentec|Sputtering of TiW in Wordentec]]
{| border="1" cellspacing="0" cellpadding="4"
*[[Specific Process Knowledge/Thin film deposition/Deposition of TiW/Sputtering of TiW in Wordentec/Grain size and uniformity of TiW layers|Results of a study on the grain size and uniformity of TiW sputtered in the Wordentec]]
|-style="background:silver; color:black"
|
! Sputter deposition (Wordentec)
|-style="background:WhiteSmoke; color:black"
| Batch size
|
*24x2" wafers or
*6x4" wafers or
*6x6" wafers
 
|-style="background:LightGrey; color:black"
| Pre-clean
|RF Ar clean
|-style="background:WhiteSmoke; color:black"
| Layer thickness
|.
|-style="background:LightGrey; color:black"
| Deposition rate
|Depending on process parameters, see [[/Sputtering of TiW in Wordentec|here.]]
|-
|}
 
 
'''Deposited rates'''
 
This is done by a sputtering process. Process parameters (argon pressure and effect) can be varied, the surface roughness and the deposition rate (see [[/Sputtering of TiW in Wordentec|here]]) and may change with these settings.
 
 
'''Deposited film characteristics'''
 
AFM pictures show how the surface roughness is dependent of the process parameters, this can be seen here.