<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from first
quarter 10-Q and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> OCT-01-2000
<PERIOD-START> OCT-04-1999
<PERIOD-END> JUL-02-2000
<CASH> 2,063,400
<SECURITIES> 1,698,900
<RECEIVABLES> 2,540,800
<ALLOWANCES> 448,500
<INVENTORY> 2,566,600
<CURRENT-ASSETS> 9,129,300
<PP&E> 11,727,300
<DEPRECIATION> 7,615,000
<TOTAL-ASSETS> 14,354,400
<CURRENT-LIABILITIES> 3,074,300
<BONDS> 0
425,600
75
<COMMON> 0
<OTHER-SE> 2,592,725
<TOTAL-LIABILITY-AND-EQUITY> 14,354,400
<SALES> 5,356,500
<TOTAL-REVENUES> 8,572,600
<CGS> 3,969,600
<TOTAL-COSTS> 7,102,200
<OTHER-EXPENSES> 11,035,500
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 135,000
<INCOME-PRETAX> (9,590,600)
<INCOME-TAX> (9,593,800)
<INCOME-CONTINUING> (8,959,700)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (8,959,700)
<EPS-BASIC> (0.23)
<EPS-DILUTED> (0.23)
</TABLE>