Table 3 Spring constants of several commercial rectangular cantilevers at end tips.

From: An analytic model for accurate spring constant calibration of rectangular atomic force microscope cantilevers

No.

Cantilever type

Kz (N/m)

Present

Ref. 26

Error of Ref. 26

1

Nanosensors PPP-NCCR-50 silicon tapping mode

   

; ;

27.65

26.8

3.1%

2

Olympus OMCL-RC800PSA-1 Si3N4 contact mode

   

; ;

0.9207

0.87

−5.5%

; ;

0.1122

0.11

−2.0%

3

Nanosensors silicon extra tall tips

   

SD-PXL-FM ; ;

7.388

7

−5.3%

SD-PXL-CON ; ;

0.2332

0.22

−5.7%

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