Acid Bench 80

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Acid Bench 80

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Equipment Details
Technology Process Technology
Materials Restriction Metals
Chemicals Used

Acetic Acid (C2H4O2)

Aluminum Etch

Buffered HF (BHF)

Hydrofluoric acid (HF)

Chromium Etch

Hydrochloric acid (HCl)

Hydrogen peroxide (H2O2)

Gold Etch

Nanostrip

Nitric acid (HNO3)

Phosphoric Acid (H3O4P)

Sulfuric acid (H2SO4)
Equipment Manual
Overview System Overview
Operating Procedure SOP
Maintenance Maintenance


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The Acid Bench 80 is a wet bench used for working with acids, mostly for etching and cleaning of samples that have had metals and/or polymers on them. It is considered a Metals class tool, so wafers with metal are allowed in the bench with some restrictions. It is intended for use with mixed materials and all substrate sizes up to 6 inches with the main focus being on piece parts.

Announcements

  • This tool was formerly known as Acid Bench 23 and was moved over from 1480A

Capabilities

LNF Provided Chemicals

System overview

Hardware details

  • Gases
  • Pressure
  • Chuck
  • Chamber
  • RF / Power Specs
  • Chemicals

Substrate requirements

  • Wafer Size
  • Wafer type
  • Any mounting?
  • Wafer thickness

Material restrictions

The Acid Bench 80 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 on the Processes page.

In addition to these, this tool has a number of user-created recipes for etching a wide variety of materials. Some of these recipes are documented on Acid Bench 80 user processes. If you are curious if your material can be processed in this tool, please contact the tool engineers via the helpdesk ticket system.

Standard operating procedure

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Checkout procedure

  1. Take the General Wet Bench Training, if you haven't already.
  2. Read through this page and the Standard Operating Procedure above.
  3. Practice with your mentor or another authorized user until you are comfortable with tool operation.
  4. Open a helpdesk ticket and request a checkout. Please specify the process and the size of your sample.
  5. A tool engineer will schedule a time for checkout.
  6. Complete the 1440 Acid Bench quiz.
  7. If you pass the quiz the tool engineer will authorize you on the tool. If not you will be contacted to repeat.

Maintenance

Process name