Waferpedia

YES

1518

YES1518
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Wafer size

4-inch, 5-inch, 6-inch, 8-inch

Performance

2 full loads/hr.[1]

What it is

The YES 1518 is a thermal processing tool for HMDS prime and image reversal.[1][3]

The YES 1518 is a dual-function ultra-clean system in the YES 1518 family.[4][1]

How it works

The YES 1518 supports HMDS prime and image reversal, and the image reversal process reverses the action of positive resist so that negative images can be formed.[1]

Where it fits in the process flow

The YES 1518 supports cassettes of 4-inch through 8-inch wafers for HMDS prime and image reversal.[1][3][4]

Applications

The YES 1518 is used for HMDS priming and image reversal in resist processing.[1]

The image reversal function supports negative imaging, sidewall-profile variation, and lift-off-oriented processing.[1]

  • HMDS prime
  • image reversal
  • vapor prime

What do the numbers mean?

Power & electrical1

Power
115V, 60Hz, 1 Phase, 30A or 220V, 50 Hz, 1 Phase, 15A[2]2 sources
Accurate?

Wafer handling4

Capacity for HMDS Prime
8 cassettes of 4 in. wafers, or 1 cassette of 5-8 in. wafers[1]2 sources
Accurate?
Capacity for Image Reversal
4 cassettes of 4 in. wafers, or 1 cassette of 5-8 in. wafers[1]2 sources
Accurate?
Cleanliness
< 1 x 1 micron particle and < 10 x 1 micron particles per 6 in. wafer[1]2 sources
Accurate?
HMDS usage
< 5 ml/200 wafers (75 prime cycles/pint)[1]2 sources
Accurate?

Performance2

Throughput for HMDS Prime
2 full loads/hr.[1]2 sources
Accurate?
Throughput for Image Reversal
(2) 1/2 loads/hr.[1]2 sources
Accurate?

Dimensions & facilities3

Chamber dimensions
20-in (508mm) High; 20-in (508mm) Wide; 15.12-in (384mm) Deep[2]2 sources
Accurate?
System dimensions
26-in (660mm) High; 33.75-in (858mm) Wide; 25-in (635mm) Deep[2]2 sources
Accurate?
Weight
350 pounds[2]2 sources
Accurate?

Configuration & options7

Model
YES-1518[1]2 sources
Accurate?
Type
dual function[1]2 sources
Accurate?
System description
Our "Ultra-Clean" system[1]
Accurate?
Temperature
160°C max[1]2 sources
Accurate?
Outer system
stainless steel[1]2 sources
Accurate?
System description
Ultra-Clean system[3]
Accurate?
Process applications
HMDS prime; image reversal; vapor prime[3]
Accurate?

Vintage & configurations

Documented models & variants

DesignationGenerationVintageChangesSource
YES-1518SM——Silylation variant; source states it has above-listed capacities for Vapor Prime and Image Reversal, or Silylation on 4 cassettes of 5 or 6-inch wafers or 6 cassettes of 4-inch wafers.web.archive.org[2]
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What replaced it?

  • siblingYES YES-310TA— Source groups it as another dual-function model in the same specification chart.source[2]

What does it need to run?

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

  • Power115V, 60Hz, 1 Phase, 30A or 220V, 50 Hz, 1 Phase, 15A[2]

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 YES 1518 support?

The YES 1518 supports cassettes of 4-inch through 8-inch wafers.[3][1]

What is the wafer capacity for HMDS prime?

Capacity for HMDS prime is 8 cassettes of 4-inch wafers, or 1 cassette of 5-8 inch wafers.[1][3]

What is the wafer capacity for image reversal?

Capacity for image reversal is 4 cassettes of 4-inch wafers, or 1 cassette of 5-8 inch wafers.[1][3]

What is the throughput of the YES 1518?

Throughput for HMDS prime is 2 full loads per hour; throughput for image reversal is 2 and one-half loads per hour.[1][3]

What cleanliness level is specified for the YES 1518?

Cleanliness is specified as less than 1 by 1 micron particle and less than 10 by 1 micron particles per 6-inch wafer.[1][3]

What is the maximum operating temperature?

The maximum temperature is 160 degrees Celsius, with the image reversal process carried out at 90 degrees Celsius.[1][3]

Not publicly documented

The following facts about the 1518 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 1518 are on record.

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

  • The control-system platform and OS era of the 1518 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 1518 are on record.

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

  • The process node or technology generation of the 1518 is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the 1518 are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (4)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
  3. [3]waferpedia.com — waferpedia.comwaferpedia.com
  4. [4]YES 1518 family | Waferpedia — waferpedia.comwaferpedia.com
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Last updated Oct 11, 2026.

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