Novel High-Precision Pitch Artifact Using Balls

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Abstract:

In this research, a novel high-precision pitch artifact using balls is proposed for calibration of pitch measuring instruments. This pitch artifact is composed of the combination and the alignment of balls and cylinders on a plane. Balls, cylinders and planes are possible to be manufactured with several-ten-nanometer-order accuracy. Therefore, this artifact can accomplish high dimensional accuracy. In addition, manufacturing of this artifact is not difficult because time-consuming special process is not needed. In this report, the concept, structure and feature of this pitch artifact are proposed and theoretical analysis is carried out.

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Key Engineering Materials (Volumes 381-382)

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95-96

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June 2008

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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[65] 17. 4625 30. 04035 10. 31875 2. 77812 30. 07332 20. 6375 5. 55625 30. 07335 Table 1 Feasible angular pitch of cylinder-centered SK2L artifact (the diameter of surrounding balls is 12. 7 mm) Table 2 Feasible angular pitch near.

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[30] degrees and the combination of the center and surrounding balls.

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