Hall Effect Devices with Three Terminals: Their Magnetic Sensitivity and Offset Cancellation Scheme

<div>The Hall-geometry factor <svg height="16.8306pt" id="M276" style="vertical-align:-4.264501pt" version="1.1" viewbox="-0.0498162 -12.5661 26.6586 16.8306" width="26.6586pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M673 297H417L411 270C517 261 522 258 506 183L487 92C476 38 428 19 360 19C207 19 123 132 123 287C123 472 243 631 441 631C557 631 617 583 617 469L647 472C650 545 655 604 658 632C625 643 554 666 467 666C201 666 23 502 23 278C23 90 156 -16 339 -16C410 -16 501 6 569 24C566 43 567 70 573 101L589 183C604 259 607 262 667 271L673 297Z" id="g113-72"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="684" vert-adv-y="684"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,8.892,-6.049)"><path d="M309 -142C211 -61 151 99 151 271S210 601 309 683L288 710C141 611 75 451 75 272V271C75 90 141 -72 288 -169L309 -142Z" id="g50-41"></path><glyph.data ascent="3443" descent="-2856" 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3C-Halls with varying size of contacts. The inset shows the geometry of the circular device with three equal contacts and current streamlines and the color coding denotes total electric potential (whereby red means 1 V and blue means 0 V).</div>

Journal of Sensors

fig18

Figure 18

Figure 18: Hall Effect Devices with Three Terminals: Their Magnetic Sensitivity and Offset Cancellation Scheme 