<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1997 <PERIOD-START> JUL-01-1996 <PERIOD-END> DEC-31-1996 <CASH> 3,461,300 <SECURITIES> 1,031,600 <RECEIVABLES> 3,867,900 <ALLOWANCES> 0 <INVENTORY> 7,004,700 <CURRENT-ASSETS> 16,717,700 <PP&E> 10,130,500 <DEPRECIATION> 5,915,400 <TOTAL-ASSETS> 22,924,200 <CURRENT-LIABILITIES> 1,412,900 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 9,928,900 <OTHER-SE> (30,000) <TOTAL-LIABILITY-AND-EQUITY> 22,924,200 <SALES> 10,653,500 <TOTAL-REVENUES> 10,653,500 <CGS> 7,171,500 <TOTAL-COSTS> 7,171,500 <OTHER-EXPENSES> 3,506,100 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 87,300 <INCOME-TAX> 34,000 <INCOME-CONTINUING> 53,300 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 53,300 <EPS-PRIMARY> .02 <EPS-DILUTED> .02