Waferpedia

PR Hoffman

56T

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PR Hoffman56T
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How it works

Insert carriers are used for double-sided planetary lapping and polishing machines. Lapping carriers are used for double-sided planetary lapping machines.[1][2]

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 handling8

Carrier designation
56T[1]
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Equipment type
Insert carriers for double-sided planetary lapping & polishing machines[1]
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Equipment type
Lapping carriers for double-sided planetary lapping machines[2]
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Wafer sizes stated on source
3 in (76 mm), 4 in (100 mm), 5 in (125 mm), 6 in (150 mm), 8 in (200 mm), 12 in (300 mm)[1]
Accurate?
Equipment type
Insert carrier for double-sided planetary lapping & polishing machines[1]
Accurate?
Equipment type
Lapping carrier for double-sided planetary lapping machines[2]
Accurate?
Carrier type
Insert carrier[1]
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Carrier type
Lapping carrier[2]
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Configuration & options9

Mapped machine reference
2300 - PR Hoffman[1]
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Machine reference
2300 - PR Hoffman[1]
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Designation
56T 2300 - PR Hoffman[1]
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Workhole diameter
76mm (3 inch)[1]
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Workhole diameter
100mm (4 inch)[1]
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Workhole diameter
125mm (5 inch)[1]
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Workhole diameter
150mm (6 inch)[1]
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Workhole diameter
200mm (8 inch)[1]
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Workhole diameter
300mm (12 inch)[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 machine class are PR Hoffman insert carriers intended for?

PR Hoffman insert carriers are for double-sided planetary lapping and polishing machines.[1]

What machine class are PR Hoffman lapping carriers intended for?

PR Hoffman lapping carriers are for double-sided planetary lapping machines.[2]

Not publicly documented

The following facts about the 56T 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 56T are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • No publicly documented variants, configuration options, or revision breakpoints of the 56T 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 56T 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 56T are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the 56T 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. [1]web.archive.org — web.archive.orgweb.archive.org
  2. [2]web.archive.org — web.archive.orgweb.archive.org
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Last updated Oct 20, 2026.

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