Hitachi
WI-890
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
The Hitachi WI-890 is a wafer visual inspection tool for 6-inch wafers. The Hitachi WI-890 was manufactured in 1997.[1]
What is it?
What do the numbers mean?
Wafer handling2
Configuration & options4
Observed configurations
How individual machines were equipped when they appeared on the secondary market — as listed, per unit. These describe one specific machine, not the model in general.
Unit as listed[1]
- Visual inspection of wafers
- 6-inch wafer size capability
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
What type of inspection does the Hitachi WI-890 perform?
The WI-890 performs wafer visual inspection.[1]
Not publicly documented
The following facts about the WI-890 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 WI-890 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the WI-890 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 WI-890 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 WI-890 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the WI-890 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (1)Every fact above is drawn from these public sources
- [1]dealer listingwotol.com
Last updated Oct 10, 2026.
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