Waferpedia

Nikon

NSR 1755 i 8 A i-Line

LithographyNikon NSR 1755 family
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What it is

The Nikon NSR 1755 i 8 A is a Nikon model in the NSR 1755 family.[1][2][3]

How it works

General reference — not yet source-verified

A stepper in semiconductor lithography transfers a pattern from a mask to a photoresist-coated wafer by exposing the wafer field in a controlled optical system.

A lithography stepper aligns the wafer to the patterning reference, projects the mask image through reduction optics, and repeats the exposure field by field across the wafer.

Where it fits in the process flow

General reference — not yet source-verified

Lithography sits early in the wafer fabrication flow and defines patterns before later etch, deposition, and implantation steps use those patterns to build device features.

A lithography stepper operates after photoresist coating and before resist development and downstream pattern transfer steps.

Applications

General reference — not yet source-verified

The Nikon NSR 1755 i 8 A i-Line is used for photolithographic patterning on semiconductor wafers.

What do the numbers mean?

Wafer handling1

Wafer sizes
6, 8 inch[1]
Accurate?

Optics & imaging1

Resolution
0.45um[1]
Accurate?

Configuration & options5

0.45um[1]
Accurate?
Manufacturer
Nikon[1]
Accurate?
Model
NSR 1755 i 8 A[1]
Accurate?
Equipment type
i-Line Stepper[1]
Accurate?
Vintage
1994[1]
Accurate?

Vintage & configurations

Documented models & variants

DesignationGenerationVintageChangesSource
NSR 1755 i 8 Ai-line1992—Equipment inventory listing[2]
NSR 1755 i 8 A i-linei-line1992—waferpedia.com[3]
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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 wafer sizes does the Nikon NSR 1755 i 8 A support?

The Nikon NSR 1755 i 8 A supports 6-inch and 8-inch wafers.[1][2][3]

What is the resolution of the Nikon NSR 1755 i 8 A?

The Nikon NSR 1755 i 8 A has a resolution of 0.45 micrometers.[1][2][3]

What type of lithography tool is the Nikon NSR 1755 i 8 A?

The Nikon NSR 1755 i 8 A is an i-line stepper.[1][2][3]

Not publicly documented

The following facts about the NSR 1755 i 8 A i-Line 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 NSR 1755 i 8 A i-Line are on record.

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

  • The control-system platform and OS era of the NSR 1755 i 8 A i-Line 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 NSR 1755 i 8 A i-Line are on record.

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

  • The process node or technology generation of the NSR 1755 i 8 A i-Line is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the NSR 1755 i 8 A i-Line are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (3)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2]Equipment inventory listing
  3. [3]waferpedia.com — waferpedia.comwaferpedia.com
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Last updated Oct 13, 2026.

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