Magnetoresistive sensors

Slides:

Advertisements

Similar presentations

Seminarul National de Nanostiinta si Nanotehnologie

Advertisements

HARD DISK DRIVES. Performance Storage capacity Software support Reliability.

1 The Importance of Force and Displacement Resistance Welding Training Marty Mewborne Product Engineer.

© 2006, François Brouard Case Lasso Group François Brouard, DBA, CA January 6, 2006.

Assignment#01: Literature Survey on Sensors and Actuators ECE5320 Mechatronics Assignment#01: Literature Survey on Sensors and Actuators Topic: Hall Effect.

Giant Magnetoresistance Kómár Péter Solid state physics seminar 25/09/2008.

The planar Hall effect: sensor and memory applications Lior Klein Department of Physics, Bar-Ilan University The Itinerant Magnetism Laboratory – Department.

Conversion of energy from one form to another Creating useful energy for a certain task Can use any type of energy.

The Hall Effect Sensor Rene Dupuis. Background Information The Hall effect was discovered by Edwin Hall in 1879; “electron” was not experimentally discovered;

Magnetic sensors and logic gates Ling Zhou EE698A.

Relaziation of an ultrahigh magnetic field on a nanoscale S. T. Chui Univ. of Delaware

Introduction to hard disk drive

Magnetic Sensors Welcome to Honeywell’s Magnetic Sensors training module. As a global leader in advanced switching and sensing technology, our breadth.

Sensors and data logging Lesson What is a sensor A sensor is a piece of equipment that senses or monitors something. Example : thermometer.

Announcements. Radio Astronomy of Pulsars Tiffany Pewett

SNS picture “Recent Developments in the Study of Strongly Correlated Electronic Systems” E. Dagotto, UT-ORNL SNS , HFIR Nanocenter (CNMS) March 2005.

Spintronics Tomas Jungwirth University of Nottingham Institute of Physics ASCR, Prague.

1 L Fall 2003 – Introductory Digital Systems Laboratory Motors and Position Determination.

What is Science?. Natural World Evidence Organization.

National Institute of Science & Technology Motor sensor control using feedback circuit Ajit kumar subudhi EE [1] MOTOR SENSOR CONTROL USING FEEDBACK.

The Story of Giant Magnetoresistance (GMR)

Biomemetic Systems Biomemetics: The examination of natural systems for inspiration in engineering design. Biomemetic Systems & Analogies to Engineered.

Electromagnetism. Magnets Magnets are materials that produce a magnetic field. Magnets can only exert a force on some metals ( iron, cobalt and nickel)

ECE 450 Introduction to Robotics

1 High Sensitivity Magnetic Field Sensor Technology David P. Pappas National Institute of Standards & Technology Boulder, CO.

IN THE NAME OF GOD. Magnetic position sensor Ehsan Peymani Golnaz Habibi.

High Resolution AMR Compass Honeywell Advisor Dr. Andy Peczalski Advisor Professor Beth Stadler Pat Albersman Jeff Aymond Dan Beckvall Marcus Ellson Patrick.

COMPUTER MAIN PARTS. HARDWARE the mechanical equipment necessary for conducting an activity, usually distinguished from the theory and design that make.

ATE wheel speed sensors. 2 Why ATE wheel speed sensors? Growing trend to comfort and safety: ABS is the standard today in all cars newly registered in.

感測器原理與應用.

GCSE ICT Robots. Control Although many people assume that businesses mainly use computers in offices to help workers to perform administrative tasks,

Spin filtering in mesoscopic systems Shlomi Matityahu, Amnon Aharony, Ora Entin-Wohlman Ben-Gurion University of the Negev Shingo Katsumoto University.

Dr. Lei Wang Seagate Technology LLC, Bloomington, MN 55435

Amagees Tech Corp value added services Data Management and Infrastructure.

Computer Engineering.

Magnetostrictive sensors Invent at 1970 MTS Temposonic technology.

Institute of Physics ASCR Hitachi Cambridge, Univ. Cambridge

Sensors For Mobile Phones  Ambient Light Sensor  Proximity Sensor  GPS Receiver Sensor  Gyroscope Sensor  Barometer Sensor  Accelerometer Sensor.

1 Sensores Magnéticos José Augusto EPUSP The Types of Magnetic Sensors Reed Switches Variable Reluctance Flux-gate Magnetometers Magneto-Inductor.

What are the magnetic heterolayers good for Basic components of modern spintronic devices Conventional electronics has ignored the spin of the electron.

● The EXAFS technique (a technique that uses x-rays as an indirect nanoscope) has been used to probe how distortions in the Mn-O bond length ( the parameter.

Transducers – changing one form of energy to another Piezoelectric Microphone Ultrasound Motors/Generators Switches Solenoids Relays EAPs Overview.

SPINTRONICS Submitted by: K Chinmay Kumar N/09/

LECTURE 2. Magnetic bubble Memory  It is a tiny movable magnetized cylindrical volume in a thin magnetic material that along with other like volumes.

CNC FEED DRIVES.

MR and Spin Valve Bae Hae Kyong.

Electronic SENSORS.

INTRODUCTION TO ELECTRONIC INSTRUMENTATION

Ms. Smedley & Mr. Bartolone’s

BRUSHLESS DIRECT CURRENT MOTOR

Ferromagnetism and antiferromagnetism ferromagnetism (FM)

Hall Effect Sensor Hall effect : Dr. Edvin Hall , 1879

Date of download: 11/6/2017 Copyright © ASME. All rights reserved.

Date of download: 12/24/2017 Copyright © ASME. All rights reserved.

Robotics Sensors and Vision

Brushless DC (BLDC) Motors

Make as many observations as you can.

حمل دستی بار محاسبه آنالیز بلند کردن دستی بار

Manganites Superlattice

Surface state anisotropic magnetoresistance in proximity magnetized topological insulators Illinois MRSEC DMR Information stored in magnetic.

Presented by: Bc. Roman Hollý

Solving equations Mrs. Hall.

PLAYING THE MAGNETIC FIELD

Motors and Position Determination

Pole Position Student Points Time

Presentation transcript:

Magnetoresistive sensors Invent at 1856 William Thompson Lord Kelvin

Magnetoresistive sensors All types Anisotropic Magnetoresistive (AMR) Giant Magnetoresistive (GMR) Colossal Magnetoresistance (CMR)

Magnetoresistive sensors Theory of AMR

Magnetoresistive sensors Theory of AMR Barber Pole Bias

Magnetoresistive sensors Theory of AMR

Magnetoresistive sensors Operation of AMR

Magnetoresistive sensors Operation of AMR (HMC1501)

Magnetoresistive sensors Operation of AMR (HMC1501)

Magnetoresistive sensors Operation of AMR (HMC1501)

Magnetoresistive sensors Operation of AMR (HMC1512)

Magnetoresistive sensors Operation of AMR (HMC1512)

Magnetoresistive sensors Operation of AMR (HMC1512)

Magnetoresistive sensors Operation of AMR (HMC1512)

Magnetoresistive sensors Typical application Cylinder position sensing in pneumatic cylinders Elevator sensor Lid sensor for laptop computers Position sensor for materials handling equipment (lift trucks) Blood analyzer Magnetic encoders

Magnetoresistive sensors Comparision of Hall effect & MR technologies

Magnetoresistive sensors Giant Magnetoresistive (GMR) Observe at 1988 Magnetoresistivity > 70%

Magnetoresistive sensors Giant Magnetoresistive (GMR) - Theory

Magnetoresistive sensors Giant Magnetoresistive (GMR) - Application Proximity Detection Displacement Sensing Rotational Reference Detection

Colossal Magnetoresistive (CMR) Observe at 1988 Magnetoresistivity > 1000% ~ 10000000%

Magnetoresistive sensors Comparison