发明名称 FRICTION MEMBER AND VIBRATION TYPE DRIVE DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a friction member and vibration type drive device which can suppress a decline in friction even if exposed to a highly humid environment. <P>SOLUTION: A friction member used for a contact part between a vibrator and a rotor of an ultrasonic motor has roughness on a friction face containing a chromium nitride phase. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2012191846(A) 申请公布日期 2012.10.04
申请号 JP20120100029 申请日期 2012.04.25
申请人 CANON INC;DAIDO BUNSEKI RESEARCH INC 发明人 TAMAI ATSUSHI;KITAJIMA AKIRA;IIKUBO TOMOHITO
分类号 H02N2/00;C21D1/06;C21D9/40;C22C38/00;C22C38/60;C23C8/36;H01L41/083 主分类号 H02N2/00
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