Hitachi
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The Hitachi S 9220 is a metrology and inspection tool in the scanning electron microscope class. The Hitachi S 9220 CD-SEM is a critical dimension scanning electron microscope used for length measurement of semiconductor features.[3][4]
The Hitachi S 9220 CD-SEM uses an electromagnetic lens system with a booster stock lens. The Hitachi S 9220 CD-SEM uses a scintillator and photomultiplier detector with an EXB filter for two stage detection of secondary and backscattered electrons.[4]
The Hitachi S 9220 CD-SEM uses automatic wafer transfer by robot, vacuum suction chucking on the back side of the wafer, and automatic OF/V-notch detection by optical sensor. The stage uses pulse motor drive with linear encoder positioning and X and Y travel of 200 mm.[4]
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The Hitachi S 9220 CD-SEM is used for length measurement of semiconductor features.[4]
The measuring range is 0.1 μm to 2.0 μm.[4]
The throughput is 56 wafers per hour in continuous measurement mode.[4]
The acceleration voltage is variable from 500 V to 1600 V in 10 V steps.[4]
The secondary electron image resolution is 3 nm at an acceleration voltage of 0.8 kV.[4]
The following facts about the S 9220 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the S 9220 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the S 9220 are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the S 9220 are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the S 9220 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the S 9220 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 10, 2026.
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