Product
High-Purity Specialty Chemical
High-Purity Specialty Chemical

Topcoat
| Applications |
Daxin provides topcoat materials for immersion lithography, which can prevent photoresist fromcomposition change due to substances dissolving into liquid (ex: water). In addition, topcoat materialscan used for refractive index adjustment. A variety of specialty chemicals for nanolithography processare under development.
| Features |
- Good water-repellent
- Good dissolution in developer
- No intermixing and dissolution with photoresist
| Specifications |
|
Product Name |
DTC series |
Remarks |
||
|
Features |
High dissolution rate Low metal ions |
|
||
|
Recommend Process Conditions |
Pre-bake |
oC ; min |
80 ; 1 |
|
|
Refractive Index at 193nm |
- |
1.53-1.60 |
@THK=500Å Customized |
|
|
Extinction Coefficient at 193nm |
- |
<0.01 |
||
|
Receding Angle |
degree |
70-75 |
||

