PolySilicon Depostion Information
Mohammed H. Badi
mbadi at piezo.Stanford.EDU
Fri Apr 6 15:10:34 PDT 2001
Hey all,
I did a poly deposition recently and thought I'd share my
depostion/uniformity info:
4. Poly-Silicon depostion:
Furnace: TylanPoly #9
Program: PolyEmit (90 min + variable time)
Variable Time: 00:45:27
Expected Rate: 110 A/min
Expected Thickness: 5000 A
Measured Rate: 120.34 A/min
Measured Thickness: 5470 A
Uniformity:
Wafer Schematic
###########
## ##
## ##
## 1 2 3 #
# #
# 4 5 6 #
## #
## 7 8 9 #
## ##
## ##
###########
(Flat)
Loc1 Loc2 Loc3 Loc4 Loc5 Loc6 Loc7 Loc8 Loc9
---- ---- ---- ---- ---- ---- ---- ---- ----
5460 5464 5470 5473 5472 5476 5479 5461 5471
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