PR Hoffman

72T

insert carrier / lapping carrier 3"PR Hoffman 72T family

Research Quality: 30% complete

PR Hoffman72T

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What is it?

The sources describe PR Hoffman 72T as a carrier type in PR Hoffman Machine Products' insert carrier and lapping carrier offerings for double-sided planetary lapping and polishing machines. In the quoted carrier-type lists, 72T is shown as "72T- Sprocket".

What can it run?

Process applications and technology nodes documented for this tool.

Double-sided planetary lapping
Double-sided planetary polishing

What do the numbers mean?

Wafer handling3

Carrier type: 72T- Sprocket^[1]
Wafers supported by insert carriers up to 33 inch diameter: 3 inch (76mm), 4 inch (100mm), 5 inch (125mm), 6 inch (150mm), 8 inch (200mm), 12 inch (300mm)^[1]
Lapping carriers up to diameter: 48 inch^[2]

Configuration & options2

Use case: For double-sided planetary lapping & polishing machines^[1]
Use case: For double-sided planetary lapping machines^[2]

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Where are the manuals?

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Not publicly documented

Field notes

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Not publicly documented

The following facts about the 72T 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 72T are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the 72T 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 72T 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 72T are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 72T is not on record.
Answerable by: an OEM datasheet or a fab qualification report