<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                           1,301
<SECURITIES>                                    15,040
<RECEIVABLES>                                    4,496
<ALLOWANCES>                                     (796)
<INVENTORY>                                      8,079
<CURRENT-ASSETS>                                28,872<F1>
<PP&E>                                          21,516
<DEPRECIATION>                                 (8,638)
<TOTAL-ASSETS>                                  43,177<F2>
<CURRENT-LIABILITIES>                            7,779
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        56,392
<OTHER-SE>                                     (28,648)
<TOTAL-LIABILITY-AND-EQUITY>                    43,177
<SALES>                                          7,738
<TOTAL-REVENUES>                                 8,118<F3>
<CGS>                                            4,921
<TOTAL-COSTS>                                    4,921
<OTHER-EXPENSES>                                 2,810<F4>
<LOSS-PROVISION>                                  (247)
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    140
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       140
<EPS-PRIMARY>                                      .01
<EPS-DILUTED>                                      .01
<FN>
<F1>Includes Other assets - 752.
<F2>Includes Restricted cash - 984; and Other long term assets - 443.
<F3>Includes Technology related revenues - 380.
<F4>Includes Research and development - 1,214; Selling, marketing and
administrative - 2,009; and Other(income) expense, net - (413).
</FN>