نتایج جستجو برای: سوییچ mems

تعداد نتایج: 9305  

2009
Thomas Bifano

The research product ...............................................................................................................................1
 Deformable mirrors: current state-of-the-art...........................................................................................2
 AO and MEMS DMs: relevance to astronomy and space science......................................................

2015

S.Z. cantilevers are made using a simple one-mask fabrication process with.characterization of a cantilever-type MEMS chemical sensor for detection of chemicals. MEMS has been with the advancement of cantilever-type sensors.sensor. The mechanical structure is a cantilever, having its own resonant frequency. MEMS cantilevers can be as thin as a few nanometers with lengths.Cantilever-based Sensor...

2005
Xuan F. Zha Ram D. Sriram Satyandra K. Gupta

Corresponding author, Email: [email protected] ABSTRACT In this paper, we present a preliminary research effort towards an effective computer support environment for the design and development of micro-electro-mechanical systems (MEMS). We first identify the characteristics of MEMS product design and development processes and examine the state-of-the-art of MEMS Computer-aided Design (CAD) and s...

Journal: :IEEE Trans. Education 2001
Liwei Lin

Curriculum development in microelectromechanical systems (MEMS) in the Mechanical Engineering and Applied Mechanics (MEAM) Department at the University of Michigan is presented. A course curriculum structure that integrates both mechanical and electrical engineering courses is proposed for mechanical engineering students. The proposed curriculum starts from undergraduate study and finishes at t...

2009
David Hériban Joël Agnus Valérie Pétrini Michaël Gauthier J Agnus

Getting Micro-Electro-Mechanical Systems (MEMS) out of a wafer after fabrication processes is of great interest in testing, packaging or simply using these devices. Actual solutions require special machines like wafer dicing machines, increasing time and cost of de-tethering MEMS. This article deals with a new solution for manufacturing mechanical de-tetherable silicon MEMS. The presented solut...

2008
Yilong Hao

The silicon-based MEMS fabrication technology, including bulk micromachining and sacrificial layers technology have been developed and studied. The 3-D fabrication and integration of silicon-based MEMS and standard process fabrication have been studied in the present paper. 1 Introduction MEMS devices and systems offer advantages of small volume, light weight, low power, and the integration of ...

2013
Gong Youping Chen Huipeng Liu Haiqiang Li Zhihua Chen Guojin

To solve the coupling and optimizing problems in MEMS designing and analyzing process, the paper mainly put forward to the uniform model construction simulation method. The method adopt uniform constraints to describe MEMS multi-fields simulation model, firstly construct MEMS model library which includes structure, electricity, magnetic, thermal and fluid elements in multi-field uniform languag...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده برق و کامپیوتر 1390

یکی ازمهمترین عیب های موتورهای سوئیچ رلکتانس ریپل گشتاور آنها می باشدکه برای کاهش آن، تحقیقات فراوانی انجام و روش های مختلفی ارائه شده است که در فصل مقدمه به این روش ها اشاره می شود. هدف از این پایان نامه ارائه روشی برای کنترل سرعت با در نظر گرفتن کاهش ریپل گشتاور این نوع موتور هاست. در ابتدای پایان نامه مروری بر زمینه های تحقیقاتی این موتورها و روش ها ی مختلف کاهش ریپل گشتاور انجام شده و در اد...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی (نوشیروانی) بابل - دانشکده برق و کامپیوتر 1392

در این پژوهش، مدل جدیدی برای میکروفون های خازنی mems، جهت استفاده در مدارهای مجتمع نشان داده شده است. این میکروفون دارای دیافراگمی به ضخامت (1?m)و ابعاد (0.5×0.5?mm?^2 ) می باشد. فاصله هوایی در نظر گرفته شده برای این میکروفون(1?m) می باشد. در طراحی این میکروفون، از یک دیافراگم شیار دار که بوسیله بازوهایی نگه داشتهمی شوند، استفاده شده است که سبب کاهش استرس در دیافراگم می شود و همچنین تعداد 16 حف...

2004
Zlatoljub D. Milosavljevic

An overview of the MEMS technology development and applications is given in this paper. A special attention is paid to the RF MEMS switches. Both series and shunt MEMS switches have been considered. It is also presented a technique for modeling and design of inductively-tuned MEMS shunt switch. Some very important issues for the device maturity e.g. reliability and packaging have been addressed.

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