发明名称 Apparatus and method for testing mechanical endurance of a surface of an optical disc
摘要 <p>An apparatus for testing mechanical endurance of a surface of an optical disc (30), comprising: a rotating plate (20), on which an optical disc (30) to be scratched is loaded, for rotating the loaded optical disc (30); and a plurality of abrasion wheels (10), disposed on the rotating plate (20), for contacting the optical disc (30) and generating the scratch, the scratch being generated when the optical disc (30) rotates 5 turns during which the abrasion wheels (10) apply a predetermined load on the optical disc (30).</p>
申请公布号 EP2031367(A2) 申请公布日期 2009.03.04
申请号 EP20080021765 申请日期 2003.07.31
申请人 LG ELECTRONICS INC. 发明人 SEO, HUN;KIM, JIN HONG
分类号 G01N3/56;G11B7/26;G01N3/00;G01N3/42;G01N3/46;G11B7/24097 主分类号 G01N3/56
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