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公开(公告)号:US09373496B2
公开(公告)日:2016-06-21
申请号:US14085876
申请日:2013-11-21
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Joo Won Choi , Chang Yeon Kim , Jeong Hoon Heo , Young Wug Kim , Su Yeon Hong , Sang Wan Ryu
IPC: H01L21/302 , H01L21/02 , H01L29/20 , H01L33/00
CPC classification number: H01L21/02032 , H01L21/02013 , H01L21/02019 , H01L29/2003 , H01L33/007 , H01L33/0079
Abstract: Exemplary embodiments of the present invention provide a substrate recycling method and a recycled substrate. The method includes separating a substrate having a first surface from an epitaxial layer, performing a first etching of the first surface using electrochemical etching, and performing, after the first etching, a second etching of the first surface using chemical etching, dry etching, or performing, after the first etching, chemical mechanical polishing of the first surface.
Abstract translation: 本发明的示例性实施方案提供了基材回收方法和再循环基材。 该方法包括将具有第一表面的衬底与外延层分离,使用电化学蚀刻来执行第一表面的第一蚀刻,以及在第一蚀刻之后,使用化学蚀刻,干蚀刻或 在第一次蚀刻之后进行第一表面的化学机械抛光。