PR Hoffman

98T

Insert carrier / lapping carrier 3"PR Hoffman 98T family

Research Quality: 30% complete

PR Hoffman98T

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What is it?

The sources list PR Hoffman 98T among carrier types for double-sided planetary lapping and polishing machines. In the insert-carrier form it is shown as a 98T sprocket option, and in the lapping-carrier form it is shown as a 98T sprocket option for lapping machines.

What can it run?

Process applications and technology nodes documented for this tool.

Double-sided planetary lapping and polishing machines
Double-sided planetary lapping machines

What do the numbers mean?

Wafer handling7

Carrier designation: 98T^[1]
Carrier type: Sprocket^[1]
Insert carrier manufacturing statement: Insert carriers up to 33" diameter can be manufactured for 3" (76mm), 4" (100mm), 5" (125mm), 6" (150mm), 8" (200mm), and 12" (300mm) wafers.^[1]
Lapping carrier manufacturing statement: Lapping carriers up to 48" diameter can be manufactured to requirements.^[2]
Carrier tooth style: Sprocket^[1]
Insert carrier listing: 98T- Sprocket AC-1500 - Peter Wolters^[1]
Lapping carrier listing: 98T- Sprocket AC-1500 - Peter Wolters^[2]

Configuration & options2

Listed machine association: AC-1500 - Peter Wolters^[1]
Associated machine: Peter Wolters AC-1500^[1]

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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

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Frequently asked questions

What type of carrier is the 98T?

The PR Hoffman 98T is a sprocket-type carrier.^[1]^[2]

What process types do the carrier pages cover?

The carrier pages cover insert carriers for double-sided planetary lapping and polishing machines, and they also separate lapping carriers from polishing carriers.^[1]^[2]

Not publicly documented

The following facts about the 98T 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 98T are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the 98T 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 98T 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 98T are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 98T 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 (2)Every fact above is drawn from these public sources

[1]web.archive.org — web.archive.orgweb.archive.org
[2]web.archive.org — web.archive.orgweb.archive.org

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Last updated Aug 13, 2026.

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