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PMMA Data Sheet - MicroChem

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Refractive Index<br />

Film Thickness (Å)<br />

Film Thickness (Å)<br />

1.7<br />

1.65<br />

1.6<br />

1.55<br />

1.5<br />

1.45<br />

950<strong>PMMA</strong> C Resists<br />

Solids: 9% - 10% in Chlorobenzene<br />

55000<br />

50000<br />

45000<br />

40000<br />

35000<br />

30000<br />

25000<br />

C10<br />

20000<br />

15000<br />

10000<br />

C9<br />

500 1000 1500 2000 2500 3000 3500 4000 4500<br />

Spin Speed (rpm)<br />

25000<br />

20000<br />

15000<br />

10000<br />

5000<br />

0<br />

Figure 5<br />

950<strong>PMMA</strong> C Resists<br />

Solids: 2% - 7% in Chlorobenzene<br />

500 1000 1500 2000 2500 3000 3500 4000 4500<br />

Spin Speed (rpm)<br />

Figure 6<br />

Optical Properties<br />

495 and 950 <strong>PMMA</strong> Resists<br />

Cauchy Coeffiecients<br />

A B C<br />

495 <strong>PMMA</strong> 1.491 3.427 e-03 1.819 e-04<br />

950 <strong>PMMA</strong> 1.488 2.898 e-03 1.579 e-04<br />

0 300 500 700 900<br />

Wavelength (nm)<br />

Figure 10<br />

C7<br />

C4<br />

C2<br />

Film Thickness (Å)<br />

Film Thickness (Å)<br />

Refractive Index<br />

55000<br />

50000<br />

45000<br />

40000<br />

35000<br />

30000<br />

25000<br />

20000<br />

15000<br />

10000<br />

12000<br />

10000<br />

8000<br />

6000<br />

4000<br />

2000<br />

950<strong>PMMA</strong> A Resists<br />

Solids: 9% - 11% in Anisole<br />

500 1000 1500 2000 2500 3000 3500 4000 4500<br />

Spin Speed (rpm)<br />

Figure 7<br />

950<strong>PMMA</strong> A Resists<br />

Solids: 2% - 7% in Anisole<br />

A2<br />

0<br />

500 1000 1500 2000 2500 3000 3500 4000 4500<br />

1.7<br />

1.65<br />

1.6<br />

1.55<br />

1.5<br />

1.45<br />

Spin Speed (rpm)<br />

Figure 8<br />

Optical Properties<br />

Copolymer Resists<br />

0 300 500 700 900<br />

Wavelength (nm)<br />

A11<br />

A9<br />

Cauchy Coeffiecients<br />

A B C<br />

8.5 mEL 1.478 7.204 e-04 -3.478 e-04<br />

Figure 11<br />

A7<br />

A4

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