POLISHING PAD AND PREPARING METHOD OF SEMICONDUCTOR DEVICE USING THE SAME

The present disclosure is to provide a polishing pad which is capable of providing physical properties corresponding to various polishing purposes for various polishing objects through the subdivided structural design in a thickness direction, and of securing environmental friendliness by applying a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yun, Jong Wook, Seo, Jang Won, Yun, Sung Hoon, Joeng, Eun Sun
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DRESSING OR CONDITIONING OF ABRADING SURFACES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	The present disclosure is to provide a polishing pad which is capable of providing physical properties corresponding to various polishing purposes for various polishing objects through the subdivided structural design in a thickness direction, and of securing environmental friendliness by applying a recycled or recyclable material to at least some components, in relation to disposal after use, unlike the conventional polishing pad. Specifically, it includes a polishing layer, wherein the polishing layer includes a polishing variable layer having a polishing surface; and a polishing constant layer disposed on a rear surface side of the polishing variable layer opposite to the polishing surface.