发明授权
US06979819B2 Photoelectron emission microscope for wafer and reticle inspection 有权
光电子发射显微镜用于晶圆和掩模版检查

Photoelectron emission microscope for wafer and reticle inspection
摘要:
A method of inspecting and imaging substrates with an electron beam. The method can include a illuminating the substrate with a photon beam to cause photoemission of electrons. A low energy electron beam can be used to prevent or reduce positive charging of the substrate. Reflected electrons and/or emitted photoelectrons can be imaged to review or inspect the substrate.
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