发明名称 |
Electron Beam Apparatus and Electron Beam Inspection Method |
摘要 |
The present invention provides a charged-particle beam inspection technology that enables to acquire a shadow contrast enhanced image, and to detect a shallow roughness with sufficient sensitively, which is caused by a micro-scale or nano-scale foreign matter in an inspection of a semiconductor device having a circuit pattern or the like. Immersion objective lens is employed as an objective lens for the high-resolution observation. A converged electron beam is obtained due to the objective lens. An assist electrode, a right detector and a left detector are provided in the objective lens. A velocity component of a secondary electron caused by the irradiation of the sample with an electron beam is discriminated. An azimuth component is further discriminated.
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申请公布号 |
US2008099673(A1) |
申请公布日期 |
2008.05.01 |
申请号 |
US20070877715 |
申请日期 |
2007.10.24 |
申请人 |
FUKUDA MUNEYUKI;SHOJO TOMOYASU;SATO MITSUGU;FUKADA ATSUKO;SUZUKI NAOMASA;TACHIBANA ICHIRO |
发明人 |
FUKUDA MUNEYUKI;SHOJO TOMOYASU;SATO MITSUGU;FUKADA ATSUKO;SUZUKI NAOMASA;TACHIBANA ICHIRO |
分类号 |
G21K5/10 |
主分类号 |
G21K5/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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