Optek Technology, Inc. manufactures, designs and markets sensor products based on either optoelectronic or magnetic field sensing technology. The products react to changes in infrared light or magnetic fields which indicate physical events and convert this information into electrical signal which are then communicated to control devices. The company specializes in customized optoelectronic solutions for its customers' applications. The products of the company include infrared emitting and light sensing semiconductor chips. Discrete components, which are plastic or metal packages housing the light emitting or light sensing chips described above, assemblies which are ready to plug into the customer's equipment and Fiber optic products. The company has its manufacturing units located in Juarez Mexico, Carrollton and texas.The company sells its poducts through its own technical sales staff, independent sales representatives and stocking distributors.The company owns subsidiaries like OTX Corporation, Optron de Mexico and others. Optoelectronic devices accounted for 69% of 1998 revenues and cutomised electronic sensors for automotive indutry, 31%.