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P379 + 451 – UHV sputter deposition cluster tool MPI CPFS

Application

UHV sputter deposition cluster tool for thin film and multilayer deposition at 2″ substrates

Year of delivery

2016

Installation site

MPI CPFS, Dresden, Germany

Design Features

  • UHV multichamber magnetron sputter deposition system with combination of confocal and face to face sputtering.
  • The standard sample size and shape is 2″ wafer. Special shaped Omicron STM samples possible too.
  • UHV deposition chamber system (called SP2) with eight tilt able 2″ magnetrons, thickness sensor head and seperate load lock chamber installed.
    • Deposition uniformity better than 5% for all depostition sources.
    • All confocal 2″ magnetrons with manual in situ tilting.
    • Fully motorized 2 axes sample manipulator with integrated sample shutter, DC bias potential option and maximal sample temperature above 900°C.
    • Motorized thickness sensor head.
    • Residual gas analyser system.
  • UHV deposition chamber (called SP3) with nine 2″ magnetrons and four 3″ magnetrons installed.
    • Deposition uniformity better than 5% for all depostition sources.
    • Except of two 2″ magnetrons all sources can be used in face to face as well as confocal configuration.
    • All confocal 2″ magnetrons with manual in situ tilting.
    • Three 3″ magnetron with manual linear translation.
    • One 3″ magnetron whithout tilting or translation option installed.
    • Fully motorized 3 axes sample manipulator with integrated thickness sensor and maximal sample temperature above 850°C.
  • Storage chamber for 16 samples as part of the linear transfer system.
  • Load lock chamber with storage for 6 samples, installed lamp heating option and connection port to a glove box.
  • Semiautomatic sample transfer between all chambers via a linear distribution chamber system.
  • Two MBE and one STM chamber systems provided by Omicron are connected to the linear transfer chamber system.
  • Integrated bake out system.

Special Features

  • Optional cryo water trap possible at both sputter chambers.
  • Handling incl. in situ exchange of sample masks in SP3 sputter chamber.
  • Different sample sizes and shapes from 2″ wafer down to 10mm x 10mm samples can be handled (using different kind of sample holders).

Outer Dimensions

Technical specifications and performance values

General

Sputtering chamber SP2

Size

About 700 mm diameter, about 700 mm height

Material

stainless steel

Sputtering chamber SP3

Size

About 1050 mm diameter, about 930 mm height

Material

stainless steel

Load lock chamber

(at SP2 chamber)

Size

150 mm diameter, about 215 mm length

Material

stainless steel

Load lock chamber

(at linear transfer chamber)

Size

200 mm diameter, about 320 mm length

Material

stainless steel

Linear transfer chamber

Size

4 segments with 200 mm diameter, about 2260 mm length each

Material

stainless steel

Vacuum

Sputtering chamber SP2

Base pressure

< 6 * 10-9 mbar

Pump down time

3 hours to < 10-7 mbar

Chamber pumping

Turbo pumping stage, chamber lid differentially pumped by dry foreline pump

Bake out

< 150°C

Sputtering chamber SP3

Base pressure

< 2 * 10-10 mbar

Pump down time

2 hours to < 10-7 mbar

Chamber pumping

Turbo pumping stage in combination with titanium sublimation pumping stage, chamber lid as well as sample manipulator differentially pumped by dry foreline pump

Bake out

< 150°C

Load lock chamber

(at SP2 chamber)

Base pressure

< 10-7 mbar

Pump down time

< 1/2 hour to < 10-6 mbar

Chamber pumping

Turbo pumping stage with dry foreline pump

Load lock chamber

(at linear transfer chamber)

Base pressure

< 1 * 10-7 mbar

Pump down time

1/2 hour to < 10-6 mbar

Chamber pumping

Turbo pumping stage with dry foreline pump

Linear transfer chamber

Base pressure

< 2 * 10-10 mbar

Pump down time

< 3 hours to < 10-7 mbar

Chamber pumping

Ion getter pumping stage in combination with titanium sublimation pumping stage

Bake out

< 150°C

Manipulator features

Sputtering chamber SP2

Sample size

diameter max. 2″ substrate

Motion axes

2 motorized axes (z translation and (continous) sample stage rotation)

Temperatures

Room temperature (not stabilized) up to 1000°C at sample

Special features

DC bias potential option

Sputtering chamber SP3

Sample size

diameter max. 2″ substrate

Motion axes

3 motorized axes (manipulator arm rotation, z translation and (continous) sample stage rotation)

Temperatures

Room temperature (not stabilized) up to 900°C at sample

Special features

Handling of sample masks

UHV thickness sensor head

Load lock chamber

Sample size

diameter max. 2″ substrate (max. 6 pieces)

Motion axes

2 manual axes (rotation, z translation)
Rotation axis equipped with an air side indexer plate for easy and fast sample loading via access door or transfer rod

Temperatures

Room temperature (not stabilized) up to 300°C at sample (not stabilized)

Performance test results

Chamber pump down (part 1)
Chamber pump down (part 2)
Long time sample heating (SP2)
Long time sample heating (SP3)