Loadlock Heater WH 40

Main purpose of the Loadlock Heater WH 40 is the controlled heating of both chamber walls and substrates within a loadlock under ultra-high vacuum conditions.
  • Tantalum or Tungsten heater
  • Wafer or chamber temperatures according to setup (~400°C)
  • Clean operation and high reliability
  • Suitable for substrate sizes from 1" to 6"
  • Customized solutions available

Introduction

The main purpose of the Loadlock Heater WH 40 is the controlled heating of the chamber walls and also of substrates within a vacuum chamber under high to ultra-high vacuum conditions.
The heater concept is based on the reliable and well-known Standard Effusion Cells WEZ .

Application

WH 40 Loadlock Heaters are usually employed in research type UHV systems for heating substrates and / or chamber walls.

Technical data

Filament typeTa or W wire heating filament
ThermocoupleW5%Re/W26%Re (type C) or Chromel/Alumel (type K)
Operating temperature700°C - 800°C
Bakeout temperature250°C
Mounting flangeDN40CF (O.D. 2.75")
Dimensions
L,D customer specific, OL=107 mm, AR= 54 mm

Dimensions

Schematic drawing WH 40
Schematic drawing of the Loadlock Heater WH 40

Specific data

For general information on CF mounting flanges see Flange and Gasketdimensions .

If you are interested in a WH 40 Loadlock Heater, please contact us for more information.