MEMS is a technology that combines mechanical and electrical components on a chip using microfabrication. MEMS devices range in size from 1-100 micrometers and are made through deposition, patterning, and etching processes. They can be used as sensors, actuators, and components in applications like automotive systems, biomedical devices, military technologies, and consumer electronics.
MEMS is the emerging field of current technology. this powerpoint presentation helps the beginners who want to know about the introduction to mems technology
MEMS is the emerging field of current technology. this powerpoint presentation helps the beginners who want to know about the introduction to mems technology
Micro electro mechanical systems (MEMS, also written as micro-electro-mechanical, Micro Electro Mechanical or micro electronic and micro electro mechanical systems and the related micromechatronics) is the technology of microscopic devices, particularly those with moving parts. It merges at the nano-scale into nanoelectromechanical systems (NEMS) and nanotechnology. MEMS are also referred to as micromachines in Japan, or micro systems technology.
Micro Electromechanical systems or MEMS, represent an extraordinary technology that promises to transform whole industries and drive the next technological revolution. These devices can replace bulky actuators and sensors with micron-scale equivalent that can be produced in large quantities by fabrication processes used in integrated circuits photolithography. This reduces cost, bulk, weight and power consumption while increasing performance, production volume, and functionality by orders of magnitude. For example, one well known MEMS device is the accelerometer (it’s now being manufactured using mems low cost, small size, more reliability). Furthermore, it is clear that current MEMS products are simply precursors to greater and more pervasive applications to come, including genetic and disease testing, guidance and navigation systems, power generation, RF devices (especially for cell phone technology), weapon systems, biological and chemical agent detection, and data storage. Micro mirror based optical switches have already proven their value; several start-up companies specializing in their development have already been sold to large network companies for hundreds of millions of dollars. The promise of MEMS is increasingly capturing the attention of new and old industries alike, as more and more of their challenges are solved with MEMS.
After extensive development, todays commercial MEMS – also known as Micro System Technologies (MST), Micro Machines (MM) have proven to be more manufactural, reliable and accurate, dollar for dollar, than their conventional counterparts. However the technical hurdles to attain these accomplishments were often costly and time- consuming, and current advances in this technology introduce newer challenges still. Because this field is still in its infancy, very little data on design, manufacturing processes or liability are common or shared.
Micro-electro-mechanical systems (MEMS) have been identified as one of the most promising technologies and will continue to revolutionize the industry as well as the industrial and consumer products by combining silicon-based microelectronics with micro-machining technology. All the spheres of industrial application including robots conception and development will be impacted by this new technology. If semiconductor microfabrication was contemplated to be the first micro-manufacturing revolution, MEMS is the second revolution. The paper reflects the results of a study about the state of the art of this technology and its future influence in the development of the construction industry. The interdisciplinary nature of MEMS utilizes design, engineering and manufacturing expertise from a wide and diverse range of technical areas including integrated circuit fabrication technology, mechanical engineering, materials science, electrical engineering, chemistry and chemical engineering, as well as fluid engineering, optics, instrumentation and packaging.
These slides contains basic information about ELECTRO-MECHANICAL sensors as future trends.As our future technology is depend upon the automotive components and inventions the low space occupier MEMS based devices are reliable and convenient.Hope you like it and it is useful in your study and knowledge.
MEMS technology consist of micro electronic elements actuators, sensors and mechanical structures built onto a substrate which is usually “Silicon”. They are developed using microfabrication techniques : deposition, patterning, etching.
The most common forms of MEMS production are :
Bulk micromachine, surface micromachine etc.
The benefits of this small scale integrated device brings the technology of nanometers to a vast no. of devices.
Micro-Electro-Mechanical Systems, or MEMS, is a technology that in its most general form can be defined as miniaturized mechanical and electro-mechanical elements that are made using the techniques of micro fabrication. The critical physical dimensions of MEMS devices can vary from well below one micron on the lower end of the dimensional spectrum, all the way to several millimeters.
Electron beam welding (EBW) is a fusion welding process in which a beam of high velocity electrons is directed to the materials being joined.The workpieces melts as the kinetic energy of the lectrons is transformed
into heat upon impact.
Electron Beam Welding is a fusion welding process in which a beam of high-velocity electrons is applied to the material to be joined. The work-piece melt as the kinetic energy of the electrons is transformed into heat upon impact. The EBW process is well-positioned to provide industries with highest quality welds and machine designs that have proven to be adaptable to specific welding tasks and production environments.
Micro electro mechanical systems (MEMS, also written as micro-electro-mechanical, Micro Electro Mechanical or micro electronic and micro electro mechanical systems and the related micromechatronics) is the technology of microscopic devices, particularly those with moving parts. It merges at the nano-scale into nanoelectromechanical systems (NEMS) and nanotechnology. MEMS are also referred to as micromachines in Japan, or micro systems technology.
Micro Electromechanical systems or MEMS, represent an extraordinary technology that promises to transform whole industries and drive the next technological revolution. These devices can replace bulky actuators and sensors with micron-scale equivalent that can be produced in large quantities by fabrication processes used in integrated circuits photolithography. This reduces cost, bulk, weight and power consumption while increasing performance, production volume, and functionality by orders of magnitude. For example, one well known MEMS device is the accelerometer (it’s now being manufactured using mems low cost, small size, more reliability). Furthermore, it is clear that current MEMS products are simply precursors to greater and more pervasive applications to come, including genetic and disease testing, guidance and navigation systems, power generation, RF devices (especially for cell phone technology), weapon systems, biological and chemical agent detection, and data storage. Micro mirror based optical switches have already proven their value; several start-up companies specializing in their development have already been sold to large network companies for hundreds of millions of dollars. The promise of MEMS is increasingly capturing the attention of new and old industries alike, as more and more of their challenges are solved with MEMS.
After extensive development, todays commercial MEMS – also known as Micro System Technologies (MST), Micro Machines (MM) have proven to be more manufactural, reliable and accurate, dollar for dollar, than their conventional counterparts. However the technical hurdles to attain these accomplishments were often costly and time- consuming, and current advances in this technology introduce newer challenges still. Because this field is still in its infancy, very little data on design, manufacturing processes or liability are common or shared.
Micro-electro-mechanical systems (MEMS) have been identified as one of the most promising technologies and will continue to revolutionize the industry as well as the industrial and consumer products by combining silicon-based microelectronics with micro-machining technology. All the spheres of industrial application including robots conception and development will be impacted by this new technology. If semiconductor microfabrication was contemplated to be the first micro-manufacturing revolution, MEMS is the second revolution. The paper reflects the results of a study about the state of the art of this technology and its future influence in the development of the construction industry. The interdisciplinary nature of MEMS utilizes design, engineering and manufacturing expertise from a wide and diverse range of technical areas including integrated circuit fabrication technology, mechanical engineering, materials science, electrical engineering, chemistry and chemical engineering, as well as fluid engineering, optics, instrumentation and packaging.
These slides contains basic information about ELECTRO-MECHANICAL sensors as future trends.As our future technology is depend upon the automotive components and inventions the low space occupier MEMS based devices are reliable and convenient.Hope you like it and it is useful in your study and knowledge.
MEMS technology consist of micro electronic elements actuators, sensors and mechanical structures built onto a substrate which is usually “Silicon”. They are developed using microfabrication techniques : deposition, patterning, etching.
The most common forms of MEMS production are :
Bulk micromachine, surface micromachine etc.
The benefits of this small scale integrated device brings the technology of nanometers to a vast no. of devices.
Micro-Electro-Mechanical Systems, or MEMS, is a technology that in its most general form can be defined as miniaturized mechanical and electro-mechanical elements that are made using the techniques of micro fabrication. The critical physical dimensions of MEMS devices can vary from well below one micron on the lower end of the dimensional spectrum, all the way to several millimeters.
Electron beam welding (EBW) is a fusion welding process in which a beam of high velocity electrons is directed to the materials being joined.The workpieces melts as the kinetic energy of the lectrons is transformed
into heat upon impact.
Electron Beam Welding is a fusion welding process in which a beam of high-velocity electrons is applied to the material to be joined. The work-piece melt as the kinetic energy of the electrons is transformed into heat upon impact. The EBW process is well-positioned to provide industries with highest quality welds and machine designs that have proven to be adaptable to specific welding tasks and production environments.
Holographic Projection Technology COMPLETE DETAILS NEW PPT Abin Baby
This seminar examines the new technology of Holographic Projections. It
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Holography is a diffraction-based coherent imaging technique in which a
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Micro-Electro-Mechanical Systems, or MEMS, is a technology that in its most general form can be defined as miniaturized mechanical and electro-mechanical elements (i.e., devices and structures) that are made using the techniques of microfabrication. The critical physical dimensions of MEMS devices can vary from well below one micron on the lower end of the dimensional spectrum, all the way to several millimeters. Likewise, the types of MEMS devices can vary from relatively simple structures having no moving elements, to extremely complex electromechanical systems with multiple moving elements under the control of integrated microelectronics. The one main criterion of MEMS is that there are at least some elements having some sort of mechanical functionality whether or not these elements can move. In other words Microsystems are miniaturized integrated systems in a small package or more specifically, micro-sized components working together as a system and assembled into a package that fits on a pinhead. In the United States, these devices are referred to as microelectromechanical systems or MEMS. European countries referred to such devices as microsystems or MST. These two terms – MEMS and MST – are often used interchangeably. Microsystems are microscopic, integrated, self-aware, stand-alone products that can sense, think, communicate and act. Some systems can do all of these things, plus scavenge for power.
Micro-Electro-Mechanical Systems, or MEMS, is a technology that in its most general form can be defined as miniaturized mechanical and electro-mechanical elements (i.e., devices and structures) that are made using the techniques of microfabrication. The critical physical dimensions of MEMS devices can vary from well below one micron on the lower end of the dimensional spectrum, all the way to several millimeters. Likewise, the types of MEMS devices can vary from relatively simple structures having no moving elements, to extremely complex electromechanical systems with multiple moving elements under the control of integrated microelectronics. The one main criterion of MEMS is that there are at least some elements having some sort of mechanical functionality whether or not these elements can move. The term used to define MEMS varies in different parts of the world. In the United States they are predominantly called MEMS, while in some other parts of the world they are called “Microsystems Technology” or “micromachined devices”.
What is MEMS?
Micro electro mechanical system is a technique of combining electrical and mechanical combinations together on a chip, to produce a system of miniature dimensions.
MEMS is a integration of a number micro components on a single chip which allow the microsystem to both sense and control the environment.
The components are integrated on a single chip using micro fabrication technologies.
Microelectromechanical Devices And Applications of MEMsAkshay Pukale
Introduction on MEMs,
MEMS is a technology of very small devices. It is a combination of mechanical functions and electrical functions on the same chip.
MEMS are made up of components between 1 to 100 micrometers in size.
Classification of MEMs,
Application of MEMs in medical field(For hearing aid, for sight, for functioning of Kidney, for Diabetes patient , For Cardio-MEMs),
Automoblie,
Moblie devices,
Digital tattoo,
Mirconeedles and etc.
Advantages and Disadvantages,
Conculsion.
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1. SHREEJEE INSTITUTE OF
TECHNOLOGY AND MANAGEMENT
Micro electro mechnical system
• Guided By:- Mr. Prakash
Singh Panwar
• By:- Krishna Rathor
• EC BRANCH 1ST YEAR
2. MEMS is a technology of very small devices. It is a combination of
mechanical functions and electrical functions on the same chip
using micro fabrication technology.
MEMS are made up of components between 1 to 100
micrometers in size
MEMS devices generally range in size from 20 micrometers to a
millimeter
4. a
• a
Fabrication of MEMS
Deposition Patterning Etching
Physical Chemical Lithography Dry Wet
Photolithography
Electron beam lithography
Ion beam lithography
Ion track technology
X-ray lithography.
6. a
Deposition –
Physical deposition :
Physical deposition consists of a process in which a material is
removed from a target, and deposited on a surface
Chemical deposition :
Chemical deposition techniques include chemical vapor
deposition, in which a stream of source gas reacts on the substrate
to grow the material desired.
Patterning –
• Patterning of MEMS is the transfer of a pattern into a material.
• Lithography is a widely used process in patterning of mems .
• Examples of lithography are– Photolithography, Electron beam
lithography, Ion beam lithography, Ion track technology, X-ray
lithography.
7. Etching
• a
• Wet Etching :
• Wet chemical etching
consists in selective
removal of material by
dipping a substrate
into a solution that
dissolves it.
• The chemical nature
of this etching process
provides a good
selectivity
• Dry Etching :
• Dry etching can be done in
three ways and they are –
a) Reactive ion etching (RIE)
b) Sputter etching
c) Vapor phase etching.
8.
9. Designing an MST/MEMS device is basically an
iterative process; the design is put into a
simulation loop, improved and resubmitted for
simulation until the design fits the demands.
It is seldom possible to use design methodologies
and tools from traditional industries working with
larger dimensions due to the fundamental
differences related to the order of magnitude of
the typical dimensions
15. a
• a
• A MEMS is a device that can be
implanted in the human body.
• MEMS surgical tools provide the
flexibility and accuracy to perform
surgery.
• In medicine
• BIO MEMS
• Bio-mems are used to refer to the
science and technology of operating at
the micro scale for biological and
biomedical applications.
16. a
• In automotives :
• As gyroscope:
Heavy use of mems is found in air
bag systems, vehicle security
system, inertial brake lights, rollover
detection, automatic door locks etc.
Inexpensive vibrating structure
gyroscopes manufactured with
MEMS technology have become
widely available. These are
packaged similarly to other integrated
circuits and may provide either
analog or digital outputs.
17. a
• a
• In microphones:
Micro-electro mechanical system (MEMS)
technology help projectiles to reach their
targets accurately.
• In military :
The mems microphone also called
as microphone Chip is widely used
in the present day communication
world.
18. a
• a
• In accelerometers:
• MEMS accelerometers are widely used in cars
for airbag deployment and in consumer
electronics applications such as smart phones,
gaming devices for sensing motion
• In sensors:
• A sensor is a device which receives and
responds to a signal when touched. A
micro sensor reaches a significantly higher
speed and sensitivity compared with
microscopic approaches.
19. a
• Apart from these applications mems are also used in many fields in
the present world
• They are used to detect earth quakes, in gas shut off, in shock and
tilt sensing
• Inkjet printers and micro scanners also involve the use of mems.
• Mems is used in Optical switching technology in which, switching
technology and alignment for data communications is done.
20. a
• a
Advantages and disadvantages
Minimize energy
and materials.
Improved
reproducibility.
Improved accuracy
and reliability.
Increased selectivity
and sensitivity.
Farm establishment
requires huge
investments.
Micro-components
are costly compared
to macro components.
Design includes very
much complex
procedures
21. Conclusion
• This enabling technology
promises to create
entirely new categories of
products.
• MEMS will be the
indispensible factor in
advancing technology
• As with all emerging
technologies had been
predicted to revolutionize
technology and our lives