公开(公告)号：WO2013002745A1

公开(公告)日：2013-01-03

申请号：PCT/TH2011/000026

申请日：2011-06-30

Applicant: HOYA GLASS DISK (THAILAND) LTD. ,  HOYA CORPORATION ,  INTAKEAW, Supawit ,  ROHITAKANEE, Eakachot ,  DEEPLUB, Supagan

Inventor： HOYA CORPORATION ,  INTAKEAW, Supawit ,  ROHITAKANEE, Eakachot ,  DEEPLUB, Supagan

IPC: G11B5/84 ,  B24B37/04 ,  B24B53/12

CPC classification number: G11B5/8404

Abstract: Example embodiments relate generally to a substrate, information recording medium, information recording device and methods of manufacturing substrates for use in information recording mediums, said methods comprising the steps of polishing a plurality of substrates, pad dressing with a pad dresser after subjecting polishing pads to a plurality of polishing steps, wherein a force is applied onto said pad dresser, from said polishing pads, so as to cause a suppressed variation in outer peripheral portion size among the manufactured substrates.

Abstract translation: 示例性实施例大体上涉及用于信息记录介质的基板，信息记录介质，信息记录装置和制造基板的方法，所述方法包括以下步骤：在将抛光垫经过抛光垫 多个研磨步骤，其中从所述抛光垫施加力施加到所述衬垫修整器上，以便在制造的基底之间引起外周部分尺寸的变化的抑制。