发明名称 |
Method for generating a circular periodic structure on a basic support material |
摘要 |
The present invention is directed to a method for the generation of periodic curved structures in a basic support material such as the basic layer for the magnetic bit cells of a magnetic storage device. The method includes the steps of generating a number of diffraction masks such that each mask comprises at least one transmission diffraction gratings having at least one of a different periodic concentric circular pattern, spiral-like periodic pattern and periodic radial spoke pattern; positioning at least one of the diffraction masks simultaneously or successively in a certain distance of the basic support material to be patterned, the distance being mask dependent; exposing the basic support material by directing light beams through each of the diffraction masks; and interfering the different light beams diffracted by the gratings on each mask in order to generate coincident light intensity patterns on the surface of the basic support material. |
申请公布号 |
EP1593002(A2) |
申请公布日期 |
2005.11.09 |
申请号 |
EP20030757841 |
申请日期 |
2003.09.15 |
申请人 |
PAUL SCHERRER INSTITUT |
发明人 |
DAVID, CHRISTIAN;SOLAK, HARUN |
分类号 |
G03F7/20;(IPC1-7):G03F7/20 |
主分类号 |
G03F7/20 |
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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