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Chinese Academy of Sciences Institutional Repositories Grid
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Isometric Surface Method and Its Numerical Tests for Mixed-Integer Linear Programming 期刊论文  OAI收割
ISAST Transactions on Computers and Software Engineering, 2008, 卷号: 2, 期号: 1, 页码: 42-46
作者:  
Yang LY(杨丽英);  Han JD(韩建达);  Su LJ(苏丽杰);  Nie YY(聂义勇)
收藏  |  浏览/下载:29/0  |  提交时间:2012/05/29
Key techniques of laser direct writing patterns on spherical substrate (EI CONFERENCE) 会议论文  OAI收割
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies, AOMATT 2007: Design, Manufacturing, and Testing of Micro- and Nano-Optical Devices and Systems, July 8, 2007 - July 12, 2007, Chengdu, China
作者:  
Zhao J.-L.;  Feng X.-G.
收藏  |  浏览/下载:23/0  |  提交时间:2013/03/25
Comparing with the writing method of plane pattern  spherical pattern' has some remarkable different on several points. Firstly  it is difficult to spin-coated a uniform photoresist film on a spherical substrate  especially the ratio of spherical radius to caliber is smaller  and the spin-coated way must match the ratio of spherical radius to caliber. Secondly  if the sphere couldn't be regarded as a plane  a so-called concentric optical scan movement way must be applied for the generation of spherical pattern  because the reflex of substrate will affect the quantity of illumination. Commonly  an alignment technique is indispensable with pattern generation of spherical surface by the concentric optical scan in order to ensure the orthogonal intersection of focusing laser beam and writing surface. Thirdly  a uniform velocity control must be considered for the laser direct writing method on a spherical substrate. Otherwise  the exposure time of photoresist will be different  and the line widths of pattern will be also different at different areas. Fourthly  commonly  because the errors of concentric machine and substrate surface shape are bigger  so focusing servo-control technique is also needful for writing a pattern on a spherical substrate. Focusing servo-control may keep the focal spot on the spherical surface by a focus detection and control system in the course of writing pattern. Using these techniques  we fabricated a line width of 7m and a period of 600m isometric mesh on the concave of a spherical substrate.  
Method for the fabrication of isometric mesh on the concave of a spherical substrate (EI CONFERENCE) 会议论文  OAI收割
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies - Advanced Optical Manufacturing and Testing Technologies, November 2, 2005 - November 5, 2005, Xian, China
作者:  
Feng X.-G.
收藏  |  浏览/下载:26/0  |  提交时间:2013/03/25
Metallic mesh has been widely used in electromagnetic interference windows. While the duty ratio of curved mesh equals to planar mesh'  the theory of planar mesh may be applied to curved mesh according to equivalent-circuit model. So the idea that latitude lines intersect latitude lines to form isometric mesh on the concave of a sphere is put forward  and the method of fabricating the mesh by concentric optical scan is introduced. The movement parts of equipment consist of an erection turning  a horizontal dividing and a pitching dividing spindle. Firstly  a spherical substrate is fixed on the horizontal dividing spindle that has been set horizontally on the erect turning spindle  the substrate revolves around the axis of the erect spindle  the tube of object lens that is fixed on the pitching dividing spindle steps at pitching direction  and a revolving circuit of the substrate corresponds to a step of the tube. Gradually  a set of latitude lines is attained. Afterward  the substrate makes a quarter turn around the horizontal spindle  another orientation latitude lines are also gained. Thus  the isometric mesh on the concave of a spherical substrate is gained. The process comprises surface cleaning  coating photoresist  laser direct writing  development  evaporated film  dissolving photoresist and plating. The fabricated spherical mesh has a line width of 7 m and a period of 600m. Experiment shows that infrared transmission and electromagnetism shield efficiency of the metallic mesh are relatively consistent with theoretical value.  
An isometric surface method for integer linear programming 期刊论文  OAI收割
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 2003, 卷号: 80, 期号: 7, 页码: 835-844
作者:  
Nie YY(聂义勇);  Su LJ(苏丽杰);  Li ZJ(李长军)
收藏  |  浏览/下载:11/0  |  提交时间:2012/05/29
An Isometric Surface Method for Integer Linear Programming 会议论文  OAI收割
4th International Conference on Nonlinear Problems in Aviation and Aerospace (ICNPAA 2002), Melbourne, FL, USA, May 15-17, 2002
作者:  
Su LJ(苏丽杰);  Nie YY(聂义勇);  Li ZJ(李长军)
收藏  |  浏览/下载:23/0  |  提交时间:2012/10/16