Waferpedia

Keysight

5517 C

Precision OpticsKeysight 5517 family
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The Keysight/Agilent 5517 C is a laser. The 5517 C is compatible with ASML PAS 5500 systems.[1][2][3]

Keysight5517 C
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Power

2.81 MHz[5]

Vacuum

2 ppb (1 hour)[4]

Performance

precision dual-frequency interferometry[4]

Optics

Laser[1]

What it is

General reference — not yet source-verified

A precision optics laser of this class is used as a stable optical source for interferometric measurement and alignment tasks. A laser head of this class belongs to metrology and positioning functions rather than to direct wafer processing.

How it works

The Keysight 5517 series uses helium-neon laser technology and provides dual-frequency output for interferometry. The 5517 series offers Zeeman split frequencies, beam size choices, power levels, and special options to meet system requirements.[4][5]

The Keysight 5517C has a reference frequency of 2.4 to 3.0 MHz. The Keysight 5517C has a minimum output power greater than 180 μW. The Keysight 5517C has a warm-up time of 90 minutes. The Keysight 5517C is available with 3 mm, 6 mm, or 9 mm beam diameter options.[4]

Where it fits in the process flow

The Keysight / Agilent 5517 C Laser is compatible with ASML PAS 5500.[1][2][3]

Applications

The Keysight 5517 series provides 633 nm light for precision dual-frequency interferometry. The Keysight 5517C is used where an interferometric optical source is needed in a transducer system.[4]

What do the numbers mean?

Power & electrical1

Reference frequency
2.81 MHz[5]
Accurate?

Vacuum & pumping1

Vacuum wavelength stability
2 ppb (1 hour)[4]
Accurate?

Optics & imaging4

Type
Laser[1]
Accurate?
Laser type
Class II helium-neon laser source[4]
Accurate?
Wavelength
633 nm[4]
Accurate?
Wavelength accuracy
± 0.1 ppm standard; ± 0.02 ppm with optional calibration[4]
Accurate?

Performance1

Application
precision dual-frequency interferometry[4]
Accurate?

Configuration & options8

Compatible with ASML PAS 5500 Part Number: SERV 502 30876[1]
Accurate?
Compatible with ASML PAS 5500 Part Number: 4022 435 23251[2]
Accurate?
Compatible with ASML PAS 5500 Part Number: 4022 435 23411[3]
Accurate?
Compatibility
ASML PAS 5500[1]
Accurate?
Mean time between failures
> 50,000 hours typical[4]
Accurate?
Maximum linear velocity
601 mm/s[4]
Accurate?
Output power
491 µW[5]
Accurate?
Compatible system
ASML PAS 5500[3]
Accurate?

Vintage & configurations

Documented models & variants

DesignationGenerationVintageChangesSource
5517C——Option C01 is stated in the source record.waferpedia.com[5]
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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • Vacuum wavelength stability2 ppb (1 hour)[4]
  • Reference frequency2.81 MHz[5]

Where are the manuals?

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Not publicly documented

Field notes

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Frequently asked questions

What kind of equipment is the Keysight 5517C?

The Keysight 5517C is a laser head in the 5517 series for transducer systems. The 5517 series is a Class II helium-neon laser source family.[4]

What wavelength does the Keysight 5517 series provide?

The Keysight 5517 series provides 633 nm wavelength light.[4]

What beam diameter options are available for the Keysight 5517C?

The Keysight 5517C is available with 3 mm, 6 mm, or 9 mm beam diameter options.[4]

What are the warm-up time and minimum output power for the Keysight 5517C?

The Keysight 5517C has a warm-up time of 90 minutes and a minimum output power greater than 180 μW.[4]

Not publicly documented

The following facts about the 5517 C 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 5517 C are on record.

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

  • The control-system platform and OS era of the 5517 C 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 5517 C are on record.

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

  • The process node or technology generation of the 5517 C is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the 5517 C are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (5)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2]inventory listing
  3. [3]inventory listing
  4. [4]keysight.com — keysight.comkeysight.com
  5. [5]waferpedia.com — waferpedia.comwaferpedia.com
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Last updated Oct 17, 2026.

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