$6,000,000 order increases backlog twenty-eight percent.

CARROLLTON, Texas--(BUSINESS WIRE)--July 31, 1995--Optek Technology Inc., president and chief executive officer, Tom Filesi, announced today that the company has received an order for $6 million for the purchase of Light Emitting Diode chips, produced in the company's semiconductor fabrication facilities located in Carrollton, from a leading industrial producer of solid state relays.

The chip order is for a duration of one year and has the effect of increasing Optek's cumulative production orders in process (backlog) by twenty-eight percent. The ultimate application of the solid state relays which will use Optek's Light Emitting Diode chip is telecommunications equipment. Although Optek has been a long term supplier of chips to this particular customer, this order represents a substantial increase in demand.

Optek's cumulative production oders in process (backlog) was $26.1 million as of July 28, 1995. This compares to backlog of $21 million at the end of the company's second quarter, April 28, 1995, and $16 million on the corresponding date in 1994.

Optek Technology Inc. is a leading manufacturer of custom Optoelectronic, Hall Effect (magnetic) and Fiber Optic sensors and emitters. Optek provides components worldwide for manufacturers of computers, office equipment, medical equipment, automobiles, aerospace and defense applications. The company's common stock is traded "over-the-counter." Currently, the market makers are Rauscher Pierce Refsnes, Paragon Capital Corporation and Bishop Rosen & Company.

CONTACT: Optek Technology Inc., Carrollton

D. Vinson Marley, 214/323-2301