<ARTICLE> 5
       
                                        
<PERIOD-TYPE>                              3-MOS
<FISCAL-YEAR-END>                          MAR-31-1998
<PERIOD-END>                               JUN-30-1997
<CASH>                                              95
<SECURITIES>                                     6,136
<RECEIVABLES>                                    4,358
<ALLOWANCES>                                      (465)
<INVENTORY>                                      9,295
<CURRENT-ASSETS>                                20,366<F1>
<PP&E>                                          25,072
<DEPRECIATION>                                 (10,664)
<TOTAL-ASSETS>                                  38,333<F2>
<CURRENT-LIABILITIES>                            5,724
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        52,389
<OTHER-SE>                                     (28,270)
<TOTAL-LIABILITY-AND-EQUITY>                    38,333
<SALES>                                          8,108
<TOTAL-REVENUES>                                 8,314<F3>
<CGS>                                            5,265
<TOTAL-COSTS>                                    5,265
<OTHER-EXPENSES>                                 2,695<F4>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 238
<INCOME-PRETAX>                                    116
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       116
<EPS-PRIMARY>                                      .01
<EPS-DILUTED>                                      .01
<FN>
<F1>Includes Prepaid expenses and other assets - 947.
<F2>Includes Restricted cash - 3,142; and Other long-term assets - 417.
<F3>Includes Technology related sales - 206.
<F4>Includes Research and development - 808; Selling, marketing,
and administrative - 2,016; Interest (income) - (127);
Other (income)/expense - (2).
</FN>