Model 3609Z 0.9° stepper motors are 36 mm in diameter, 12-mm thick, and weigh 1.7 oz with a holding torque of 4 oz-in. Windings are encapsulated in a thermally conductive ceramic-based polymer to draw away heat. Step accuracy is ±1.5 arc-min. Applications include medical, optical, and surveillance. Lin Engineering, 1990 Russell Ave., Santa Clara, CA 95054, (408) 919-0200,