Determining a state of a high aspect ratio hole using measurement results from an electrostatic measurement device

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United States of America Patent

PATENT NO 9448253
APP PUB NO 20150362524A1
SERIAL NO

14719193

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Abstract

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A system, method and a non-transitory compute readable medium for evaluating a high aspect ratio (HAR) hole having a nanometric scale width and formed in a substrate, including obtaining, during an illumination period, multiple measurement results by an electrostatic measurement device that comprises a probe tip that is placed in proximity to the HAR hole; wherein multiple locations within the HAR hole are illuminated with a beam of charged particles during the illumination period; and processing the multiple measurement results to determine a state of the HAR hole.

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Patent Owner(s)

Patent OwnerAddress
APPLIED MATERIALS ISRAEL LTD A CORPORATION OF THE STATE OF ISRAEL9 OPPENHEIMER STREET REHOVOT 76236

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chirko, Konstantin Rehovot, IL 11 10
Litman, Alon Nes Ziona, IL 33 340

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