March 5, 2024 |
U.S. Securities and Exchange Commission Office of the Chief Accountant 100 F Street, NE |
Washington, DC 20549
Re: Amtech Systems, Inc.
File No. 000-11412
Dear Sir or Madam:
We have read Item 4.01 of Form 8-K of Amtech Systems, Inc. dated March 5, 2024, and agree with the statements concerning our Firm contained therein.
Very truly yours,
/s/ GRANT THORNTON LLP