Specific Process Knowledge/Lithography/Strip: Difference between revisions
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'''Single substrate:'''<br> | '''Single substrate:'''<br> | ||
Result: 30-80% nitrogen gives the highest ashing rate. | |||
Wafers: 1<br> | |||
Size: 100 mm<br> | |||
Boat position: Center of chamber<br> | |||
Test wafer position: middle of boat<br> | |||
Total gas flow rate: 500 sccm<br> | Total gas flow rate: 500 sccm<br> | ||
Gas mix ratio: tested parameter<br> | Gas mix ratio: tested parameter<br> | ||
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Test using a boat of 25 100 mm wafers in the center of the process chamber shows that 50-70% nitrogen gives the highest ashing rate. | Test using a boat of 25 100 mm wafers in the center of the process chamber shows that 50-70% nitrogen gives the highest ashing rate. | ||
Wafers: 25<br> | |||
Size: 100 mm<br> | |||
Boat position: Center of chamber<br> | |||
Test wafer position: middle of boat<br> | |||
Total gas flow rate: 200 sccm<br> | Total gas flow rate: 200 sccm<br> | ||
Gas mix ratio: tested parameter<br> | Gas mix ratio: tested parameter<br> | ||