Global Patent Index - EP 3031577 A4

EP 3031577 A4 20170322 - POLISHING TOOL AND PROCESSING METHOD FOR MEMBER

Title (en)

POLISHING TOOL AND PROCESSING METHOD FOR MEMBER

Title (de)

POLIERWERKZEUG UND VERARBEITUNGSVERFAHREN FÜR EIN ELEMENT

Title (fr)

OUTIL DE POLISSAGE ET PROCÉDÉ DE TRAITEMENT POUR ÉLÉMENT

Publication

EP 3031577 A4 20170322 (EN)

Application

EP 14834968 A 20140806

Priority

  • JP 2013167116 A 20130809
  • JP 2014070712 W 20140806

Abstract (en)

[origin: EP3031577A1] The present invention relates to a method for polishing an object having a certain shape and, more particularly, to a polishing method using a polishing tool provided with a polishing pad including a polishing surface shaped in conformance with a curved surface of an object to be polished to efficiently and uniformly polish the curved surface of the object. A polishing tool of the present invention is provided with a polishing pad including a polishing surface shaped in conformance with a curved surface of an object to be polished to uniformly contact the curved surface of the object. The polishing pad preferably has a Shore A hardness of 5 or greater and a surface formed by at least one of a cloth, a non-woven fabric, a resin processed non-woven fabric, synthetic leather, synthetic resin foam, and a composite thereof. A polishing method of the present invention uses a polishing tool including a polishing surface shaped in conformance with a curved surface of an object to be polished to uniformly contact the curved surface of the object and polish the curved surface of the object.

IPC 8 full level

B24B 9/00 (2006.01); B24B 37/11 (2012.01); B24D 13/12 (2006.01); H01L 21/304 (2006.01)

CPC (source: EP US)

B24B 9/065 (2013.01 - EP US); B24B 37/11 (2013.01 - EP US); B24B 37/20 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3031577 A1 20160615; EP 3031577 A4 20170322; CN 105451938 A 20160330; JP WO2015020082 A1 20170302; KR 20160041908 A 20160418; TW 201527048 A 20150716; US 2016167192 A1 20160616; WO 2015020082 A1 20150212

DOCDB simple family (application)

EP 14834968 A 20140806; CN 201480044902 A 20140806; JP 2014070712 W 20140806; JP 2015530920 A 20140806; KR 20167002949 A 20140806; TW 103127111 A 20140807; US 201414910059 A 20140806