OPTICAL ENCODER, AND BEARING UNIT WITH ROTARY SENSOR

摘要

PROBLEM TO BE SOLVED: To provide an optical encoder of a structure easy to be manufactured. SOLUTION: An aluminum vapor deposition layer 5 is formed on a code wheel 1, and an encode pattern 2 comprising vertical-grid-like print 6 is formed on a surface thereof by black ink. COPYRIGHT: (C)2008,JPO&INPIT