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US09383195B2 Lithographic apparatus and method 有权
平版印刷设备和方法

Lithographic apparatus and method
摘要:
A method of obtaining information indicative of the topography of a surface of a flexible substrate, the method including directing a beam of radiation at the surface of the flexible substrate; and detecting changes in intensity distribution, or angle of reflection, of the beam of radiation after the beam of radiation has been reflected from the surface of the substrate to obtain information indicative of the topography of the surface of the flexible substrate.
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