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专利名称：BEAM EXPANSION
发明人：GALLEN, Niall, Anthony,YORK,
Timothy,TRAVIS, Adrian, Robert, Leigh 申请号：EP01974490.3
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申请日：20011011
英语口语学习心得>also怎么读公开号：EP1327102A2
公开日：
20030716
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专利内容由知识产权出版社提供
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摘要：A large-area collimated beam (1) of radiation is formed by re-directing a beam of small projected area off one or two orthogonal surfaces (11, 12) which are faceted or have a non-specular reflection angle and which spatially distribute the incoming (1) beam across their surface area. Preferably there are two expansion stages, one for each dimension. If the input beam (1) is linearly polarid then the output beam will also be polarid. The polarisation will undergo a rotation through 90 degrees. The beam expander is compact and suitable for u in liquid-crystal flat-panel displays.
summerholiday申请人：Screen Technology Limited
地址：Unit D1, Button End Harston,Cambridge CB2 5NX GB
国籍：GB
代理机构：Turner, James Arthur
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