发明名称 RETAINER RING AND CHEMICAL MECHANICAL POLISHING APPARATUS HAVING THE SAME
摘要 A retainer ring and a CMP apparatus with the same are provided to improve the productivity by performing simultaneously a CMP process and a planarizing process using a conditioner plane. A retainer ring(123) comprises a ring type body, a plurality of grooves, and a conditioner plane. The plurality of grooves are formed through the ring type body. The plurality of grooves are spaced apart from each other. The conditioner plane(122) is formed along a periphery of the body to contact a polishing pad. The conditioner plane is formed by plating diamond grains or nickel-containing diamond grains on a predetermined portion between adjacent grooves.
申请公布号 KR100680880(B1) 申请公布日期 2007.02.02
申请号 KR20050086180 申请日期 2005.09.15
申请人 ISCONTEK. CO., LTD. 发明人 PARK, JUNG HYUK
分类号 H01L21/304 主分类号 H01L21/304
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