MEASUREMENT METHOD

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United States of America Patent

APP PUB NO 20130103346A1
SERIAL NO

13632566

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a measurement method of measuring a shape of a surface to be measured having an outer shape of a regular hexagon, including a first step of setting, on the surface to be measured, a plurality of partial regions having an identical outer shape of a parallelogram to cover the entire surface to be measured, a second step of measuring surface shapes of the respective partial regions by a measurement apparatus to obtain measurement data of the respective partial regions, and a third step of connecting the measurement data of the respective partial regions to calculate the shape of the surface to be measured, wherein the parallelogram has internal angles of 120° and 60°, and a maximum length of one side is not larger than a length of one side of the regular hexagon.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAJAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hosoda, Masaki Cambridge, US 16 166
Iwasaki, Yasushi Utsunomiya-shi, JP 5 7

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