Exhibit 31.1

I, Thomas G. Hood, certify that:

1.   I have reviewed this amendment to annual report on Form 10-K/A of Southwall
     Technologies  Inc.;  and

2.   Based on my knowledge, this amendment does not contain any untrue statement
     of  a  material fact or omit to state a material fact necessary to make the
     statements  made, in light of the circumstances under which such statements
     were  made, not misleading with respect to the period covered by the annual
     report


Date:  August 10th, 2004                           /s/  Thomas G. Hood
                                                   -----------------------------
                                                   Thomas G. Hood
                                                   Chief Executive Officer