High sensitivity Hall magnetic sensors using planar micro and macro flux concentrators

被引：0
|
作者：
Drljaca, PM [1 ]
Schlageter, V [1 ]
Vincent, F [1 ]
Popovic, RS [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Swiss Fed Inst Technol, Inst Microsyst, CH-1015 Lausanne, Switzerland
来源：
TRANSDUCERS '01: EUROSENSORS XV, DIGEST OF TECHNICAL PAPERS, VOLS 1 AND 2 | 2001年
关键词：
Hall sensor; magnetic flux concentrators;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
We have studied the sensitivity of Hall devices using planar magnetic flux concentrators of various lengths. By placing magneto-concentrators (MCs) on Hall device, we obtained sensitivity up to 100 V/T for a bias current of 1 mA and for a length of the MCs of 50 mm. This value is about 1000 times better then that of a conventional silicon Hall devices, without adding significant amount of noise. The magnetic gain is achieved using a combination of micro-integrated and macroscopic magnetic flux concentrators.
引用
收藏
页码：160 / 163
页数：4
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