EX-23.3 13 exhibit23-3.htm CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - KPMG LLP

Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED
PUBLIC ACCOUNTING FIRM

The Board of Directors of
Amtech Systems, Inc.:

We consent to the use of our report included herein and to the reference to our firm under the heading “Experts” in the prospectus.

|  | /s/ KPMG LLP
Phoenix, Arizona |
November 13, 2007 |