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Onto Innovation

Sonus 7800

Onto Innovation Sonus 7800 family
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The Rudolph Sonus 7800 is an acoustic metrology and defect detection system. The Sonus 7800 is configured for 300 mm (12-inch) wafers. The Sonus 7800 uses SONUS Technology, which is non-contact and non-destructive.[1][2]

Sonus 7800 — Inventory photo
Fig. 01Sonus 7800Inventory photo[2]

What it is

The Onto Innovation (formerly Rudolph) Sonus 7800 is an acoustic metrology and defect detection system for semiconductor wafers.[1]

How it works

The Sonus 7800 employs non-contact, non-destructive acoustic metrology using SONUS technology.[1]

The system measures thick films and film stacks and detects defects such as voids in through silicon vias (TSVs).[1]

Where it fits in the process flow

The system is applied in advanced packaging processes, particularly for metrology of copper pillar bumps and inspection of TSVs.[1]

Applications

The Sonus 7800 is used for measuring thick films and film stacks in copper pillar bumps and for detecting voids in through silicon vias (TSVs).[1]

Copper pillar bumps are a critical component of advanced packaging, and TSVs provide signal routing in three-dimensional integrated circuits (3DICs).[1]

What do the numbers mean?

Wafer handling2

Wafer size
12 inch[2]
Accurate?
Wafer size (version)
300 MM[1]
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Configuration & options3

System type
Acoustic Metrology and Defect Detection System[1]
Accurate?
Measurement technology
SONUS Technology[1]
Accurate?
Measurement approach
Non-contact and non-destructive[1]
Accurate?
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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 Sonus 7800 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 Sonus 7800 are on record.

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

  • No publicly documented variants, configuration options, or revision breakpoints of the Sonus 7800 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 Sonus 7800 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 Sonus 7800 are on record.

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

  • The process node or technology generation of the Sonus 7800 is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (2)Every fact above is drawn from these public sources
  1. [1]fabsurplus.com — fabsurplus.comfabsurplus.com
  2. [2]Inventory photo
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Last updated Sep 24, 2026.

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