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                                                                    Exhibit 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


        As independent public accountants, we hereby consent to the
incorporation by reference of our report dated February 3, 2000 (except as
discussed in Note 21 with respect to the Company's proposed acquisition of ASI's
packaging and test facilities and its investment in ASI, as to which the date is
February 28, 2000, and the related proposed financing, as to which the date is
March 16, 2000) and to all references to our report or to our Firm included in
or made a part of this Current Report on Form 8-K; and to the incorporation of
that report incorporated by reference into this Current Report on Form 8-K, into
the Company's previously filed Form S-8 Registration Statements File Numbers
333-62891 and 333-86161.

/s/ ARTHUR ANDERSEN LLP
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Philadelphia, Pennsylvania
May 11, 2000