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长春光学精密机械与... [81]
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会议论文 [81]
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内容类型:会议论文
专题:长春光学精密机械与物理研究所
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High efficiency abrasive waterjet dressing of diamond grinding wheel
会议论文
17th International Symposium on Advances in Abrasive Technology, ISAAT 2014, September 22, 2014 - September 25, 2014, Kailua, HI, United states
Yao P.
;
Wei W.
;
Huang C. Z.
;
Wang J.
;
Zhu H. T.
;
Zhang Z. Y.
收藏
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浏览/下载:112/0
  |  
提交时间:2015/04/27
Region weighted wavelet fusion method for partial focusing image
会议论文
2013 4th International Conference on Advances in Materials and Manufacturing, ICAMMP 2013, December 18, 2013 - December 19, 2013, Kunming, China
Wu D.
;
Dai L.
;
Bai X. W.
;
Wang Z. Q.
;
Zhang Y. Y.
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2015/04/27
Effect of substrate orientation and PH3 thermal annealing treatment on catalyst-free InP nanowires
会议论文
2013 2nd International Conference on Materials Science and Technology, ICMST 2013, April 11, 2013 - April 12, 2013, Hong Kong, China
Miao G. Q.
;
Zhang Z. W.
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  |  
浏览/下载:11/0
  |  
提交时间:2014/05/15
Immersed nanospheres super-lithography for the fabrication of sub-70nm nanoholes with period below 700nm (EI CONFERENCE)
会议论文
2012 12th IEEE International Conference on Nanotechnology, NANO 2012, August 20, 2012 - August 23, 2012, Birmingham, United kingdom
Li S.
;
Shi L.
;
Yang Z.
;
Huang X.
;
Zhang Z.
;
Gao F.
;
Guo Y.
;
Yu W.
;
Du J.
收藏
  |  
浏览/下载:129/0
  |  
提交时间:2013/03/25
A maskless nano-lithography method by using polystyrene spheres (PSs) self-assembled on silver slab (NSSL) was proposed in [optics express
Vol. 16
No. 19 (2008) 14397]. Following that
to break the limitations in resolution and PSs period of NSSL method
in this paper
we present PSs immersed super-resolution lithography (NSISL) technology by embedding the PSs into appropriate material to improve the efficiency of the surface plasmon excitation. The energy modulating mechanism and the rules of the resolution affected by silver slab were studied by calculating and analysing the energy distribution. The curve of the lithography resolution versus the silver thickness was presented. In order to verify this method
contrast analysis was carried out with NSSL. The results show that the lithography resolution is improved efficiently. Taking a specific configuration with PS diameter of 600nm as an example
the resolution was improved to 54nm from 190nm with Ag thickness of 25nm. Based on the calculation results
we carried out the experiments. Nano holes with dimension of 75nm and period of 600nm were obtained. 2012 IEEE.
Determination of Director Profile in the Vertical Alignment Nematic Liquid Crystal Cell by the Full Leaky Guided Mode Technique
会议论文
2012
Xing H. Y.
;
Ye W. J.
;
Wu N. F.
;
Si L. B.
;
Zhang Z. D.
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  |  
浏览/下载:8/0
  |  
提交时间:2013/03/28
Accuracy synthesis of a 3-RPS parallel robot based on manufacturing costs (EI CONFERENCE)
会议论文
31st Chinese Control Conference, CCC 2012, July 25, 2012 - July 27, 2012, Hefei, China
Yao T.-K.
;
Xi Z.
;
Feng Z.
;
Zhang L.-M.
;
Yong W.
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2013/03/25
Pose accuracy is an important issue for parallel robot being used as mirror supporting system of telescope. One challenging topic is the accuracy synthesis which deals with the optimal design of the manufacturing and assembling tolerances of each component under the given pose accuracy. First
the error model of the 3-RPS parallel robot is built based on total derivation of the kinematic equations. And the error variable of each spherical or rotate joint can be expressed as a single boundary error parameter but not three independent position parameters. Then
the accuracy synthesis model is formulated taking the manufacturing costs as the optimization objective and the accuracy requirements as the constraint condition. Finally
the genetic algorithm is used to solve the optimization problem and a simulation example is given. The results show that the accuracy synthesis method based on manufacturing costs can satisfy the need of pose accuracy and is better for engineering application than the method based on error sensitivity. 2012 Chinese Assoc of Automati.
A new low-bandwidth and wireless transmission scheme for CCd image (EI CONFERENCE)
会议论文
2012 International Symposium on Photonics and Optoelectronics, SOPO 2012, May 21, 2012 - May 23, 2012, Shanghai, China
An Z.
;
Zhang Y.
;
Zhou G.
;
Gu W.
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2013/03/25
The CCD (Charge-coupled Device) image sensor with its high resolution is capable of providing high definition image. However
transmission requires high bandwidth
which makes it very difficult to process and transmit in a long distance. The purpose of this paper is to propose a new method to process and transmit CCD image
which can guarantee a low-bandwidth and long-distance data transmission. The innovation is that the transmission content of CCD image data can be flexibly selected and compressed firstly
which will reduce the transmission data. Then it is processed on the base of communication protocol so that it can be fit for wireless transmission. At last
it is transformed into wireless signal and transmitted using 3G technology. As a result
the paper presents a wireless transmission scheme with the rate of 1.5Mbps for CCD image. 2012 IEEE.
Effect of adding Cr on magnetic properties and metallic behavior in MnTe film (EI CONFERENCE)
会议论文
Wang Z. H.
;
Geng D. Y.
;
Gong W. J.
;
Li J.
;
Li Y. B.
;
Zhang Z. D.
收藏
  |  
浏览/下载:35/0
  |  
提交时间:2013/03/25
Mn1 - xCrxTe films with x = 0
0.02
and 0.05 was synthesized by pulsed laser deposition and crystallize in hexagonal NiAs-type structure. The spin glass behavior predicted before by Monte Carlo calculation is observed in the MnTe film. This behavior is destroyed by adding Cr in the MnTe film. The temperature dependence of magnetization shows a sharp rise at around 66 K
due to the magneto-elastic coupling. Metallic behavior is observed in the MnTe film in the temperature range 120-220 K
which is ascribed to the magnetic ordering. The metallic behavior disappears with adding Cr
because adding Cr ions destroys the magnetic ordering which is mediated by the sp-d exchange interaction between the Cr ions. 2012 Elsevier B.V.
A composite hardness stamp in 184 PDMS for nanostructures transfer in high fidelity (EI CONFERENCE)
会议论文
2012 12th IEEE International Conference on Nanotechnology, NANO 2012, August 20, 2012 - August 23, 2012, Birmingham, United kingdom
Li S.
;
Shi L.
;
Yang Z.
;
Huang X.
;
Zhang Z.
;
Gao F.
;
Guo Y.
;
Yu W.
;
Du J.
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2013/03/25
To improve the fidelity of nanostructures in transfer process
a composite stamp with reasonable hardness distribution in 184 PDMS used to nanoimprint was studied. The stamp is composed of a stiff 184 PDMS structured layer and a soft 184 PDMS supporter layer. We studied the relationship between the hardness of the 184 PDMS and the proportion of each component in 184 PDMS. The appropriate components proportions of prepolymer and curing agent corresponding to the different region of the composite stamp were presented. The fabrication method of the stamp is also presented. Corresponding experiments were carried out by using this stamp. Kinds of nanostructures were transferred in one inch diameter area with good fidelity. The feature sizes of the structures were less than 100 nm. 2012 IEEE.
Research of VGA Display for 2048 Resolution Power Linear CCD Based on SOPC
会议论文
2011
Zhang Y. X.
;
Ge W. Q.
;
Xu Z. P.
;
Li D. N.
;
Liu Y.
;
Leng X.
;
Chen X. H.
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2013/03/28
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