<ARTICLE> 5
       
                                        
<PERIOD-TYPE>                              3-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               SEP-30-1998
<CASH>                                        $    113
<SECURITIES>                                     4,253
<RECEIVABLES>                                    5,116
<ALLOWANCES>                                     (398)
<INVENTORY>                                      8,245
<CURRENT-ASSETS>                              $ 17,734<F1>
<PP&E>                                          26,544
<DEPRECIATION>                                 (13,975)
<TOTAL-ASSETS>                                $ 33,738<F2>
<CURRENT-LIABILITIES>                         $  5,597
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        53,041
<OTHER-SE>                                     (32,966)
<TOTAL-LIABILITY-AND-EQUITY>                  $ 33,738
<SALES>                                       $  8,328
<TOTAL-REVENUES>                                 8,328
<CGS>                                            6,238
<TOTAL-COSTS>                                    6,238
<OTHER-EXPENSES>                                 2,639<F3>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 221
<INCOME-PRETAX>                               $   (770)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  $   (770)
<EPS-PRIMARY>                                 $  (0.08)
<EPS-DILUTED>                                 $  (0.08)
<FN>
<F1>Includes - Other assets - $397K.
<F2>Includes - Restricted cash - $3,038K; Other long term assets $397K.
<F3>Includes - Research and development - $774K; Selling,
               marketing, and administrative - $1,926K; Interest
               (income) - ($83K);  and Other (income)/expense - $22K.
</FN>