Al

ZnO

NbOx

Substrate

Glass

Al/glass

Al/glass, quartz glass

Target

ϕ101.6 mm, Al (99.9%)

ϕ50 mm, Zn (99.99%)

ϕ50 mm, Nb (99.99%)

Ar gas

99.99%, 1.0 ccm

99.99%, 1.8 ccm

99.99%, 6.0 ccm

O2 gas

-

99.99%, 2.4 ccm

99.99%, 6.0 ccm

Orbital speed of substrate holders

1800 rpm

-

-

Distance from substrate to target

100 mm

60 mm

60 mm

RF power, and frequency

50 W, 13.56 MHz

200 W, 13.56 MHz

200 W, 13.56 MHz

Back pressure

<8.0 × 10−5 Pa

<6.7 × 10−4 Pa

<6.7 × 10−4 Pa

Deposition pressure

9.3 × 10−2 Pa

0.39 Pa

0.39 Pa

Deposition rate

0.042 nm/s

1 nm/s

0.17 nm/s

Deposition time

2400 s

3, 17 s

10 - 300 s