Step 4. N-Well photo

 

 

 

 

Step

 

Process

Date

Operator

 

4.1

 

 

Std. DUV litho

ASML: mask NWELL, 25mJ

Hard bake: Oven bake 1hr (1 more hour after next nitride etch step)

 

Resist thickness on dummy after hard bake:

T= 7789A

C= 7737A

F= 7782A

L= 7817A

R= 7854A

 

08/07/03

Horvath