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长春光学精密机械与物... [8]
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Significant improvement of thermal conductivity for AlN/LAS composite with low thermal expansion
期刊论文
Ceramics International, 2020, 卷号: 46, 期号: 18, 页码: 28668-28675
作者:
Li, Zhenyu
;
Wang, Chi
;
Xia, Long
;
Yang, Hua
;
Qin, Chunlin
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2022/02/17
Aluminum nitride
Expansion
Heat conduction
III-V semiconductors
Lithium compounds
Thermal expansion
High thermal conductivity
Lithium aluminosilicate
Low coefficient of thermal expansions
Low thermal expansion
Precision instrument
Reinforcing phase
Thermal functions
Significant improvement of thermal conductivity for AlN/LAS composite with low thermal expansion
期刊论文
Ceramics International, 2020, 卷号: 46, 期号: 18, 页码: 28668-28675
作者:
Li, Zhenyu
;
Wang, Chi
;
Xia, Long
;
Yang, Hua
;
Qin, Chunlin
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2020/11/14
Aluminum nitride
Expansion
Heat conduction
III-V semiconductors
Lithium compounds
Thermal expansion
High thermal conductivity
Lithium aluminosilicate
Low coefficient of thermal expansions
Low thermal expansion
Precision instrument
Reinforcing phase
Thermal functions
Automatic press-fit assembly of small precision interference fitting parts: armature of electro-hydraulic servo valve
期刊论文
ASSEMBLY AUTOMATION, 2019, 卷号: 39, 页码: 986-998
作者:
Wang, Xingyuan
;
Lou, Zhifeng
;
Wang, Xiaodong
;
Wang, Yue
;
Hao, Xiupeng
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2019/12/02
Quality assessment
Precision assembly
Error compensation
Armature assembly
Assembly strategy
Automatic press-fit instrument
Kinematics Model and Acceleration Simulation Algorithm for a Three-Axis Centrifuge
期刊论文
Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University, 2017, 卷号: 51, 页码: 159-164
作者:
Yang, Mei
;
Zhang, Yahong
;
Zhang, Shuai
;
Dong, Guangxu
;
Zhang, Xinong
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/11/26
3D accelerations
Dynamic acceleration
Kinematics modeling
Maximum absolute error
Motion parameters
Precision instrument
Simulation algorithms
Three-axis
Laser flat-field system based on light scattering in nano-particle solution
期刊论文
OPTICS AND PRECISION ENGINEERING, 2015, 卷号: 23, 期号: 5, 页码: 1213-1220
作者:
Wang QS(王秋实)
;
Yang FG(杨福桂)
;
Liu DX(刘丁枭)
;
Sheng WF(盛伟繁)
;
Li M(李明)
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2016/04/18
Backscattering light
CCD arrays
Long trace profiler
Nanoparticle solutions
Non-uniform
Polytetrafluoroethylene (PTFE)
Precision instrument
Structure parameter
基于图像识别的超精密加工环境监控系统
学位论文
2014, 2014
张瑞
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2016/01/12
超精密加工
图像识别
DM642
数字仪表
指针式仪表
Ultra-precision Machining
Image Recognition
DM642
Digital Instrument
Dial Instrument
Application of carbon fibre reinforced plastic for optical camera structure (EI CONFERENCE)
会议论文
2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012, August 5, 2012 - August 8, 2012, Chengdu, China
An Y.
;
Yao J.-S.
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  |  
浏览/下载:15/0
  |  
提交时间:2013/03/25
Optical camera is a high-precision optical instrument
and the optical lens must be always stable under various environments
so the structural materials of optical camera should have good stability and machining performance characteristics. Generally
the weight of the camera increases with the increasing size of optical camera aperture. The application of carbon fibre reinforced plastic(CFRP) in optical camera can help to improve the situation and meet the requirements of large volume and light weight. In this paper
the properties of several kind of materials used in camera structure were compared
the advantages of CFRP used in optical camera were analyzed
the CFRP application profiles of domestic and international were introduced
and the reason of gap was pointed out. There is a conclusion that CFRP will be widely used in the optical camera in China. 2012 IEEE.
Surface topography of parallel grinding process for nonaxisymmetric aspheric lens
期刊论文
http://dx.doi.org/10.3788/HPLPB20122406.1391, 2012
Zhang, Ningni
;
Wang, Zhenzhong
;
Pan, Ri
;
Wang, Chunjin
;
Guo, Yinbiao
;
王振忠
;
郭隐彪
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/07/22
Algorithms
Grinding (machining)
Optical instrument lenses
Precision engineering
Wheels
Electronic system design of ultraviolet ozone vertical profile probe for aerography satellite (EI CONFERENCE)
会议论文
2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011, August 12, 2011 - August 14, 2011, Harbin, China
Song K.
;
Wang S.
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2013/03/25
The design of ultraviolet ozone vertical profile probe is illustrated and the electronic system is introduced in detail. The device is a compact
high precision
ultraviolet-vacuum
ultraviolet spectral radiometer
and is used to measure atmospheric solar backscattering spectral radiance and solar spectral irradiance. Noise of the system is analyzed and Numeric accumulation and synchronous demodulation was used to decrease the noise and the zero-drift of the instrument. The solar irradiance at altitude 830 km in 160-400 nm and the backscattering solar spectral radiance in the ultraviolet ozone absorption band at 12 wavelengths from 250 nm to 340 nm are obtained. Test results on orbit show that all the requested function is met successfully and the performance is stable. 2011 IEEE.
Design of co-path scanning long trace profiler for measurement of X-ray space optical elements (EI CONFERENCE)
会议论文
6th International Symposium on Precision Engineering Measurements and Instrumentation, August 8, 2010 - August 11, 2010, Hangzhou, China
Shun L.
;
Yan G.
;
Wei Z.
;
Yang Z.
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  |  
浏览/下载:19/0
  |  
提交时间:2013/03/25
The Long Trace Profiler (LTP) is a precision surface slope error measurement instrument used in synchrotron radiation optics for many years. By making some modifications to the LTP system
we developed a co-path scanning LTP (CSLTP) system to test the cylindrical aspherical surface which used in X-ray space optics. To reduce the mistake caused by air turbulence and manufacture faults of optical elements used
the CSLTP is designed with the least difference between the testing beam path and the reference beam path. Also
it uses multiple-beam interference but double beam interference to reduce the width of beam fringe. This improves the position precision of the beam fringe on the image plane. 2010 SPIE.
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