Lubrication and tribological performance optimizations for micro electro mechanical systems

... samples (a) before and (b) after a hour wear test; and samples undergone localized lubrication (c) before and (d) after a hour wear test 76 Figure 4-11: a) SEM and b) EDS mapping for fluorine ... inertial forces (e.g gravity), and more on surface forces such as surface tensions and free energies, van der Waals forces, capillary forces and electrostatic forces These strong su...

Ngày tải lên: 09/09/2015, 10:08

... (right) for pristine SU- 8 and 2wt% SU- 8 composites at freshly spin-coated surfaces (a) Pristine SU- 8 (b) SU- 8+ PFPE (c) SU- 8+ SN 150 (d) SU- 8+ MAC 86 Figure 5.3 Typical coefficient of friction versus ... also given Before washing: (a) Pristine SU- 8 (b) SU- 8+ PFPE (c) SU- 8+ SN 150 (d) SU- 8+ MAC After washing: (e) SU- 8+ PFPE (f) SU- 8+ SN 150 (g) S...

Ngày tải lên: 09/09/2015, 08:17

... Turbulence Research, Parviz Moin, Krishnan Mahesh 539 Micro-Electro-Mechanical -Systems (MEMS) and Fluid Flows, ChihMing Ho, Yu-Chong Tai 579 Fluid Mechanics for Sailing Vessel Design, Jerome H ... paper, we first report and discuss the fundamental micro-fluidmechanics issues and then review flow sensing and control using MEMS 2.1 SIZE EFFECTS Ratio Between Surface Force and...

Ngày tải lên: 09/03/2014, 00:20

... lengths up to 60 km, and the minimum path length is not specified Availability Performance of Hybrid Terrestrial FSO/RF System The availability performances of both FSO links and RF links significantly ... the availability performances of the hybrid FSO/RF system can be assessed by diversity EURASIP Journal on Wireless Communications and Networking Table 1: Availability...

Ngày tải lên: 21/06/2014, 05:20

... opportunities for the realization of cost-effective practical indoor location tracking systems 1.2 Overview of Existing Indoor Location Tracking Systems In this chapter, we classify the practical indoor tracking ... propagation before and after fusion for Trial 92 6.5 Tracking paths before and after fusion for Trial 93 xii LIST OF FIGURES 6.6 Temporal error pro...

Ngày tải lên: 10/09/2015, 08:24

... nt Nt Antenna selection & Beamforming Nr Feedback nr RF Antenna selection & Beamforming Figure A 60 GHz MIMO system employing antenna selection and transmit/receive beamforming Once the antenna ... antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels EURASIP Journal on Wireless Communications and Networki...

Ngày tải lên: 21/06/2014, 01:20

... following work (i) Automatic allocation of line buffers and frame buffers for embedded block RAMs and external RAMs, respectively (ii) Automatic address generation and interfaces for the two memory hierarchies ... width of the GMO, nlines is the number of required memory objects for an operator, and w p is the bit width representing a pixel The length of the GM...

Ngày tải lên: 22/06/2014, 22:20

... Group, LLC 15 1 15 2 15 3 15 4 15 5 15 6 15 7 15 8 15 9 16 0 16 1 16 2 16 3 16 4 16 5 16 6 16 7 16 8 16 9 17 0 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 18 0 18 1 Industrial Noise Control and Acoustics, Randall F Barron Mechanical ... 2005 by Taylor & Francis Group, LLC 88 89 90 91 92 93 94 95 96 97 98 99 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10...

Ngày tải lên: 10/08/2014, 05:20

... reactor design include: © 20 05 by Taylor & Francis Group, LLC 36 Micro Electro Mechanical System Design TABLE 2. 5 CVD Reactions SiO2 SiH4 + O2 → SiO2 + H2O SiH4 + N2O → SiO2 + NH3 + H2O SiO(CH3)4 ... large-volume applications in the automotive (iner- © 20 05 by Taylor & Francis Group, LLC 12 Micro Electro Mechanical System Design TABLE 1.7 Comparison of MEMS and Mi...

Ngày tải lên: 10/08/2014, 05:20

... Solid Arsenic Phosphorus Boron AsH3.AsF3 PH3,PF3 B2H6, BF3, BCl3 Arsenosilica POCl3, phosphosilica BBr3, (CH3O)3B, borosilica AlAsO4 NH4H2PO4, (NH4)2H2PO4 BN FIGURE 2 .37 Diffusion with a silicon dioxide ... Bulk Micromachining Surface Micromachining 66 Micro Electro Mechanical System Design Yoke Landing tip CMOS substrate Mirror +10 degrees © 2005 by Taylor & Francis Group, LLC FIG...

Ngày tải lên: 10/08/2014, 05:20

... the 1.9-mm electromagnetic micromotor (Courtesy of Dr Fritz Faulhaber, GmbH & Co KG.) © 2005 by Taylor & Francis Group, LLC 82 Micro Electro Mechanical System Design A synchronous motor design ... Device Area Al Bond Pad Si3N4 Passivation Poly Micromechanical Device Area Mechanical Layer TiN Anchor Point Tungsten/TiN TiN P-tub 2-ply poly-Si N-tub TiSi2/TiN µm arsenic-doped epita...

Ngày tải lên: 10/08/2014, 05:20

... laser micromachining of electro- thermal-compliant micro devices, J Micromech Microeng., 11, 38–47, 2001 10 T Moulton, G.K Ananthasuresh, Micromechanical devices with embedded electro- thermal-compliant ... that the mechanical stiffness decreases linearly in proportion to the system scaling © 20 05 by Taylor & Francis Group, LLC 118 Micro Electro Mechanical System Design (...

Ngày tải lên: 10/08/2014, 05:20

... Numbers of Molecules 100 Cs 1 0-3 Detection region C - (M) = moles/liter 1 0 -6 1 0-9 1 0-1 2 ND 1 0-1 5 1 0-1 8

Ngày tải lên: 10/08/2014, 05:20