发明名称 Method for microlithographic writing with improved precision
摘要 The present invention relates to a system and a method for microlithographic writing on photosensitive substrates, and specially printing of patterns with extremely high precision, such as photomasks for semiconductor device patterns, display panels, integrated optical devices and electronic interconnect structures. The system comprises a light source (1), preferably a laser, a computer-controlled light modulator (3) and a lens to contract the at least one light beam from the light source before it reaches the substrate. Further it comprises a device for controlling the position of incidence of the beam on the substrate, a detector for detecting the deviation from the intended position of incidence of the beam on the substrate, and correcting device for controlling the position controlling to device in accordance with the detected deviation diminish position errors at the substrate related to the deviations.
申请公布号 US6448999(B1) 申请公布日期 2002.09.10
申请号 US19990461809 申请日期 1999.12.16
申请人 MICRONIC LASER SYSTEMS AB 发明人 UTTERBACK TOMAS;SANDSTROM TORBJORN;DURING CARL
分类号 H01L21/027;B23K26/04;B23K26/06;G02B26/10;G03F1/08;G03F7/20;(IPC1-7):B41J27/00 主分类号 H01L21/027
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