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International Scholarly Research Notices
Table of Contents
International Scholarly Research Notices
/
2013
/
Article
/
Tab 1
/
Research Article
Uncertainty Estimation
due to Geometrical Imperfection and Wringing in Calibration of End Standards
Table 1
Standards specifications and measured results of GBs (grade 0).
Nominal length (
L
), mm
Tolerance on length
= 0.12
μ
m + 2 × 10
−6
L,
μ
m
Tolerance on parallelism
= 0.10
μ
m + 3 × 10
−7
L,
μ
m
Range
Referenced
Theoretical
Average measured error
Theoretical
Average
measured error
6.5
+0.11
0.06
30.0
+0.14
0.07
60.0
+0.09
0.12
0.07
90.0
+0.20
0.12
0.10