Furnace Sentro-Tech ST1800C-888

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Furnace Sentro-Tech ST1800C-888
Sentro Tech.png
Sentro-Tech High Temperature Furnace
Equipment Details
Technology Thermal Processing
Materials Restriction Metals
Material Processed No Metals allowed, PI
Mask Materials na
Sample Size up to 6" wafers
Chemicals Used none
Gases Used Nitrogen
Equipment Manual
Overview System Overview
Operating Procedure SOP
Supported Processes Supported Processes
User Processes User Processes
Maintenance Maintenance

The Furnace Sentro-Tech ST1800C-888 is a high temperature box furnace capable of atmospheric annealing with a temperature range of 900°C to 1800°C.



  • Minimum temperature 900°C
  • Maximum temperature 1800°C in air, 1700°C in N2
  • Ramp up rate = 10°C per minute
  • Ramp down rate = 20°C per minute
  • Nitrogen purge gas

System overview

Hardware details

  • Atmospheric pressure

Substrate requirements

  • Substrates up to 6"

Material Restrictions

The Sentro-Tech furnace is considered an end-of-the-process tool to avoid cross-contamination. Processing samples in any LNF system after they have been processed in this furnace requires special permission from the LNF staff. To address comments or concerns, reach out via the helpdesk ticket system.

The Furnace Sentro-Tech ST1800C-888 is designated as a Metals class tool. Below is a list of approved materials for the tool. Approved means the material is allowed in the tool under normal circumstances. If a material is not listed, please create a helpdesk ticket or email info@lnf.umich.edu for any material requests or questions.

Supported processes

There are several processes for this tool supported by the LNF, which are described in more detail in the spreadsheet in the user manual. There are standard recipes for 1000-1800°C with a ramp up rate of 10°C/min and ramp down rate of 20°C/min. There are 6 total segments available on each recipe.

In addition to these, this tool has a a recipe called LNF Custom that users can modify. Only LNF Custom may be modified. Modifying a different recipe will result in loss of access to the tool.

Standard operating procedure

Checkout procedure

  1. Read through this page and the Standard Operating Procedure above.
  2. Create a Helpdesk Ticket requesting training.
  3. A tool engineer will schedule a time for initial training.
  4. Practice with your mentor or another authorized user until you are comfortable with tool operation.
  5. Schedule a checkout session with a tool engineer via the helpdesk ticket system. If this checkout is successful, the engineer will authorize you on the tool.