Step 33. Poly gate etch

 

 

Step 33

 

Process

Date

Operator

 

33.1

 

 

Poly gate etch in Lam5

 

Note: new Lam5 software

Note: no BARC etch in Centura-MxP

Recipe: pongracz_5963_poly_ob_me_ep_oe_hi

(oxide breakthrough, main etch with automatic endpoint, 50% high selectivity overetch)

 

40-45 s main etch, 50% overetch

 

09/28/07

-

10/04/07

Pongarcz

 

33.2

 

 

Photoresist ashing in MATRIX for 2.5 min

Sink8 Piranha clean

1/100 HF dip for 60s in Sink7

 

SEM

 

 

09/28/07

-

10/04/07