Run Card for cmos150

 

 

step 1.0

 

 

 

 

 

 

Process: Initial Oxidation (target= 30 nm + 5%)

 

Date

Operator

 

 

 

 

 

1.

TCA clean furnace tube (tystar17) reserve tystar9.

 

06/08/01

vorosl

 

 

 

 

 

 

Note: Tystar9 was down until 06/08/01, then Tystar17 has lost power 06/08/01.

 

 

 

 

 

 

 

 

 

TCA clean overnight: 4 hours (TCACLEAN.017)

 

08/08/01

vorosl

 

 

 

 

 

2.

Standard clean wafers in Sink9 (MOS side). Control wafers are involved (NCH, PCH).

10 min. piranha,

rinse, 1 min 25/1 HF dip

rinse, spin-dry)

Note: 5 test wafers also involved

 

09/08/01

fatima

vorosl

 

 

 

 

 

3.

Dry oxidation at 950 C (DryOX.017) in Tystar17:

60 min. dry O2, 20 min. N2

 

09/08/01

vorosl

 

 

 

 

 

4.

Oxide thickness on PCH, Tox [A]= 

 

09/08/01

vorosl

 

Use nanospec, thin oxide program, 10x lens

 

 

 

 

wafer

top

center

flat

left

right

ave.

S.D

PCH

324

320

322

320

313

319.8

2.72

T1

312

298

302

302

304

303.6

3.52

 

 

 

 

 

 

 

 

 

Note:

 

 

 

 

The whole process takes for ~4 hours.

(1 hour ramp up, 1:30 ramp down)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Surface Charge Analyzer  (08/09/01)

 

TYSTAR17 TEST WAFER #1 (T#1)

 

 

Top

Right

Flat

Left

Center

Nsc_inv

2.84E+14

2.77E+14

2.91E+14

2.72E+14

2.97E+14

Qox_inv

1.60E+11

1.49E+11

1.47E+11

1.39E+11

1.57E+11

IQFMGinv

0.70

0.71

0.67

0.63

0.64

Lcal_ftr

0.93

0.93

0.93

0.93

0.93

 

 

TYSTAR17 PCH WAFER

 

 

Top

Right

Flat

Left

Center

Nsc_inv

4.17E+14

4.40E+14

4.36E+14

4.36E+14

4.43E+14

Qox_inv

7.84E+10

7.38E+10

6.77E+10

7.30E+10

7.31E+10

DitMGinv

1.99E+10

1.42E+10

1.28E+10

1.29E+10

1.40E+10

Lcal_ftr

0.93

0.93

0.93

0.93

0.93

IQF

1.28

1.19

1.18

1.17

1.20