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Table 1 The dependence of surface roughness on the etching voltages

From: Fabrication of ion-trap electrodes by self-terminated electrochemical etching

Voltage(V)

Ra(nm)

Rq(nm)

Rt(nm)

1

145

183

1096

2

88.9

116

964

3

40.5

50.9

375

4

18.8

24.8

171

5

17.3

22.4

189

6

6.63

8.72

67.8

7

9.6

16.0

246

8

47

63.8

1787

10

182

255

2086

12

110

143

988

14

306

376

1728