QuickLinks -- Click here to rapidly navigate through this document
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statement on Form S-8 of our report dated February 6, 2004 (March 9, 2004 as to Note 12), which appears on page F-3 of the Annual Report on Form 10-K of Micro Component Technology, Inc. for the year ended December 31, 2003, and to reference to our firm under the caption "Experts" in the Prospectus.
/s/ Virchow, Krause & Company, LLP
Minneapolis, Minnesota
July 14, 2004