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
  1. Good water-repellent
  2. Good dissolution in developer
  3. 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