Cr-Au coated

PROBE

  • 8 nm
  • 8 nm
  • < 35 nm
  • 40
  • 12 - 18 µm
  • n-type silicon
  • 0.01 - 0.025 Ohm*cm
  • Gold
  • Gold
The Cr-Au coating is formed as a 30 nm Au film with a 20 nm Cr sublayer, which is deposited for better adhesion of Au. The coating is formed on both tipside and backside of the cantilever. The coating may cause cantilever bending within 3°.

Application

The gold coating is inert, which makes these probes applicable for many experiments in biology and chemistry. Gold coated probes are also used in certain electrical applications.

1-cantilever serie(s)

Cantilever Resonance Frequency, kHz Force Constant, N/m
mintypicalmax mintypicalmax
14 series 110 160 220 1.8 5.0 13
15 series 265 325 410 20 40 80
16 series 170 190 210 30 45 70
17 series 10 13 17 0.06 0.18 0.40
18 series 60 75 90 1.2 2.8 5.5
19 series 25 65 120 0.05 0.5 2.3

3-cantilevers serie(s)

Cantilever Resonance Frequency, kHz Force Constant, N/m
mintypicalmax mintypicalmax
35 series Cantilever A 130 205 290 2.7 8.9 24
Cantilever B 185 300 430 4.8 16 44
Cantilever C 95 150 205 1.7 5.4 14
36 series Cantilever A 30 90 160 0.1 1.0 4.6
Cantilever B 45 130 240 0.2 2 9
Cantilever C 25 65 115 0.06 0.6 2.7
37 series Cantilever A 30 40 55 0.3 0.8 2
Cantilever B 15 20 30 0.1 0.3 0.6
Cantilever C 20 30 40 0.1 0.4 1
38 series Cantilever A 8 20 32 0.01 0.09 0.36
Cantilever B 5 10 17 0.003 0.03 0.13
Cantilever C 6 14 23 0.005 0.05 0.21
*The full cone angle may be less than 40° at the last 200 nm of the tip end.

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