Wet Station

Cleanliness Levels SEMI-CLEAN
Cautions

No metals

Don't pour BOE, HF, Freckle Etch or 777 into the quartz bath. Use a PP, HDPE or Teflon container instead

Don't take the cassette away

Don't leave any unnecessary things on the top of the wetstation.

Solution -
Temperature -
Etch Rate -
Aim Allowing users to mix own chemical
Application

1. Recycle of B3 LTO

2. Post-CMP Clean

3. Sulfuric Clean for quartz