[ARTICLE] 5
<TABLE>
<S> <C>
[PERIOD-TYPE] QTR-1
[FISCAL-YEAR-END] MAR-31-2001
[PERIOD-END] JUN-30-2000
[CASH] $ 2,175
[SECURITIES] 5,294
[RECEIVABLES] 8,796
[ALLOWANCES] (238)
[INVENTORY] 10,164
[CURRENT-ASSETS] $ 27,210<F1>
[PP&E] 30,597
[DEPRECIATION] (19,106)
[TOTAL-ASSETS] $ 40,944<F2>
[CURRENT-LIABILITIES] $ 7,350
[BONDS] 0
[COMMON] 56,741
[PREFERRED-MANDATORY] 0
[PREFERRED] 0
[OTHER-SE] (32,043)
[TOTAL-LIABILITY-AND-EQUITY] $ 40,944
[SALES] $ 14,876
[TOTAL-REVENUES] 14,876
[CGS] 9,600
[TOTAL-COSTS] 13,216<F3>
[OTHER-EXPENSES] (73)<F4>
[LOSS-PROVISION] 0
[INTEREST-EXPENSE] $ 236
[INCOME-PRETAX] 1,497
[INCOME-TAX] 30
[INCOME-CONTINUING] 0
[DISCONTINUED] 0
[EXTRAORDINARY] 0
[CHANGES] 0
[NET-INCOME] 1,467
[EPS-BASIC] 0.13
[EPS-DILUTED] 0.12
<FN>
<F1>Includes - Other assets - $1,019K.
<F2>Includes - Restricted cash - $1,126K; Other long term assets - $1,127K.
<F3>Includes - Research and development - $810K; Selling, marketing,
and administrative - $2,806K;
<F4>Includes - Interest Income ($128);other expense $55K
</FN>
</TABLE>