| Product Description |
Ed Byers/McBain Instruments consisting of the following:
7 1/2" ED Byers Motorized Worm Gear + Drive Gear - Ratio 360 to 1
2 THK Type RB Cross Roller Bearings RB15013 ID 150mm OD 180mm (Current new cost $728.95 each)
Compumtor Microstepper
Heidenhain Rotary Encoder with 4500 pulses per rev + 5x built in interpolation
This assembly was designed to rotate a photomask in a semiconductor 5x wafer stepper. Very high precision components. This item is functional.
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