Specific Process Knowledge/Thermal Process/Dope with Phosphorus: Difference between revisions
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==Doping profile after Phosphorus Predep process== | ==Doping profile after Phosphorus Predep process== | ||
" Result from GreenBelt, @Danchip,Jan 2015" | |||
====Process parameters==== | |||
'''Recipe:''' POCL900 | |||
'''Temperature:''' 900 °C | |||
'''Time:''' 15 min | |||
'''Anneal:''' 20 min in N<sub>2</sub> | |||
After removing the oxide in BHF the wafers were oxidized in Phosphor Drive in Furnace (A3) using DRY1050 at 1050°C for 70 min without further annealing in N<sub>2</sub>. Results are listed in the table below: | |||
{| border="2" cellpadding="2" cellspacing="1" style="text-align:center;" | |||
|+ '''Measurements after phosphorus predeposition''' | |||
|- | |||
! | |||
! colspan="1" | Afer predeposition | |||
! colspan="2" | After Oxidation | |||
|- | |||
! width="130" | Test date | |||
! width="130" | Sheet resistance [Ω/sq] | |||
! width="130" | Oxide thickness [nm] | |||
! width="130" | Sheet resistance [Ω/sq | |||
|- | |||
! Aug2012 | |||
| 48 | |||
| 93.1 | |||
| 41.8 | |||
|- | |||
! Jan2013 | |||
| 50.5 | |||
| 91.3 | |||
| 55.6 | |||
|- | |||
! Aug2013 | |||
| 58 | |||
| 91,8 | |||
| 41,8 | |||
|- | |||
! Jan2014 | |||
| 54.1 | |||
| 93.3 | |||
| 33.8 | |||
|- | |||
! Jan2015 | |||
| 50.8 | |||
| 94.2 | |||
| 39.4 | |||
|- | |||
|} | |||
One wafer from Jan2015 was analyzed with SIMS and the profiled is shown on the graph below: | |||
''Result from Trine Holm Christensen, @Space, Feb. 2015'' | |||