<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-1998
<PERIOD-END>                               DEC-31-1997
<CASH>                                               0
<SECURITIES>                                     5,357
<RECEIVABLES>                                    4,725
<ALLOWANCES>                                     (424)
<INVENTORY>                                      9,454
<CURRENT-ASSETS>                                20,347<F1>
<PP&E>                                          25,312
<DEPRECIATION>                                 (11,881)
<TOTAL-ASSETS>                                  37,425<F2>
<CURRENT-LIABILITIES>                            5,872
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        52,950
<OTHER-SE>                                    (29,777)
<TOTAL-LIABILITY-AND-EQUITY>                    23,173
<SALES>                                          7,702
<TOTAL-REVENUES>                                 7,852<F3>
<CGS>                                            5,972
<TOTAL-COSTS>                                    5,972
<OTHER-EXPENSES>                                 8,595<F4>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                234
<INCOME-PRETAX>                                  (885)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     (885)
<EPS-PRIMARY>                                   (0.09)<F5>
<EPS-DILUTED>                                   (0.09)
<FN>
<F1>Includes Other assets - $409K.
<F3>Includes Technology related revenue - $150K.
<F2>Includes Restricted cash - $3,327; and Other long term assets - $409K.
<F4>Includes Research and development - $719K; Selling, marketing and
administrative - $1,904K; Interest (income) - $91K; and Other (income)/
expense - $1K.
<F5>New basic (loss) income per share.
</FN>