发明名称 Hole inspection apparatus and hole inspection method using the same
摘要 Disclosed herein is an apparatus and method for inspecting the via holes of a semiconductor device using electron beams. The apparatus includes electron beam irradiation means, a current measuring means, and a current measuring means and data processing means. The electron beam irradiation means radiate respective electron beams to inspect a plurality of inspection target holes. The current measuring means measures current, which is generated by irradiating the electron beams, radiated from the electron beam irradiation means, through a conductive layer located under the holes, or through the conductive layer and a separate detector. The data processing means processes data acquired through the measurement of the current measuring means.
申请公布号 US7968844(B2) 申请公布日期 2011.06.28
申请号 US20070295770 申请日期 2007.04.03
申请人 CEBT CO. LTD. 发明人 KIM HO SEOB
分类号 H01J49/00 主分类号 H01J49/00
代理机构 代理人
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