Step 48. Metal 1 etch

 

 

 

 

Step

 

Process

Date

Operator

 

48.1

 

 

Plasma etch in Lam3.
Standard recipe. Etch time: 1 min 25 sec + 50% OE.

Check R with manual probe on field ox. area on each wafer to ensure Al is gone.

 


11/30/04

Horvath