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ABSTRACT
Magnetic RAM (MRAM) is a new memory technology with access and cost characteristics comparable to those of conventional dynamic RAM (DRAM) and the non-volatility of magnetic media such as disk. That is MRAM retains its memory even after removing power from the device. Such a non-volatile memory has important military applications for missiles and satellites. Clearly such a device could also have important commercial applications if the non-volatility were accomplished without impacting other properties of the m ....etc

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Magnetic Random Access Memory

MRAM is a nonvolatile random access memory which uses magnetic storage and magnetoresistance (MR) to read the stored data. Magnetoresistive material is a resistor made of common ferromagnetic material which will change in resistance in the presence of a magnetic field. The magnetoresistive property gives a small but sufficient signal to distinguish between a 1 and 0. MRAM results from combining MR storage elements with standard semiconductor fabrication processes. ....etc

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MRAM is a non-volatile memory technology that can store information for an extended period of time without power. This technology combines the best virtues of many of the common forms of memory “ the low cost and high capacity of dynamic RAM; the high speed of static RAM; and the permanence of Flash Memory- and has the potential to significantly improve many electronic products by storing more information, accessing it faster and using less battery power than conventional electronic memory. MRAM can be thought of as a breakthrough in memo ....etc

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INTRODUCTION

In 1984 Drs. Arthur Pohm and Jim Daughton, both employed at that time by Honeywell, conceived of a new class of magnetoresistance memory devices which offered promise for high density, random access, nonvolatile memory. In 1989 Dr. Daughton left Honeywell to form Nonvolatile Electronics, Inc. having entered into a license agreement allowing him to sublicense Honeywell MRAM technology for commercial applications. Dr. Pohm, Dr. Daughton, and others at NVE continued to improve basic MRAM techno ....etc

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hi am pravs i would like to get details on the universal current sensor ppt and report ....etc

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I. ETHENOBOTONICAL STUDY
II. AIRBORNE INTERNET
III. ALLAIRE SECURITY WHITE PAPERS SERIES
IV. ALUS AIMS
V. AMD & ATHLON PROCESSORS
VI. AMDB
VII. AN IMPLEMENTATION OF SINGLE SYSTEM IMAGE SERVER
VIII. AN INTELLIGENT MOBILE ROBOTIC SYSTEM
IX. ANALYSIS OF DATA
X. ANALYSIS OF WIRELESS LAN SECURITY
XI. ANIMATION_STUDIO
XII. ANIMATRONICS
XIII. ANTIMATTER
XIV. ANTIVIRUS AND CONTENT SECURITY CLUSTERING SOLUTION
XV. APPLICATION OF SOUND LOCALIZATION FOR ROBOT NAVIGATION
XVI. APPLICATION OF CRYOTREATMENT
XVII. APPLICATION OF NEURAL NETWRO ....etc

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Magnetic sensors and
logic gates

Ling Zhou
EE698A


Outline

Anisotropic magnetoresistive sensors
Giant magnetoresistive sensors
Colossal magnetoresistive sensors
Using magnetoresistive elements to build up logic gates
Hall sensors and devices


....etc

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MRAM, the new breed of semiconductor memory uses magnetic properties to store data. This new kind of chip will compete with other established forms of semiconductor memories such as Flash memory and random access memory (RAM). Most engineers believe, that the technology called magnetoresistive random-access memory(MRAM) could reduce the cost and power consumption of electronics for cell phones, music players, laptops and servers. The feature, that makes MRAM an alluring alternative to other forms of semiconductor memories, is the way it stores ....etc

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.
ABSTRACT
Magnetic RAM (MRAM) is a new memory technology with access and cost characteristics comparable to those of conventional dynamic RAM (DRAM) and the non-volatility of magnetic media such as disk. That is MRAM retains its memory even after removing power from the device. Such a non-volatile memory has important military applications for missiles and satellites. Clearly such a device could also have important commercial applications if the non-volatility were accomplished without impacting other properties of the m ....etc

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Introduction

Couplers, also known as isolators because they electrically isolate as well as transmit data, are widely used in industrial and factory networks, instruments, and telecommunications. Every one knows the problems with optocouplers. They take up a lot of space, are slow, optocouplers age and their temperature range is quite limited. For years, optical couplers were the only option. Over the years, most of the components used to build instrumentation circuits have become ever smaller. Optocoupler technology, however, hasn't kept ....etc

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Advances in Magnetic Field Sensors
The most important milestone in the field of magnetic sensors was when AMR sensors started to replace Hall sensors in many applications where the greater sensitivity of AMRs was an advantage. GMR and SDT sensors finally found applications. We also review the development of miniaturization of fluxgate sensors and refer briefly to SQUIDs, resonant sensors, GMIs, and magnetomechanical sensors.In recent years, anisotropic magnetoresistive (AMR) sensors with integrated flipping and feedback coils have become stan ....etc

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