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Measurement of Bouncing of Reed Switch Due to Coulomb's Electrostatic Force
Hiroshi HONMA Noboru WAKATSUKI
IEICE TRANSACTIONS on Electronics
Publication Date: 2007/07/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electromechanical Devices (Selected Papers from ICEC2006))
Category: Relays & Switches
reed switch, bounce, make and break operation, Coulomb's electrostatic force,
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A movable electrode in conventional electromechanical contacts often shows a bounce against the opposite electrode during a make and break operation. Frequent bounces are troublesome. We studied this phenomenon with conventional reed switches using a slowly increasing and decreasing driving current. Judging from the measured data, Coulomb's electrostatic force cannot be neglected in efforts to suppress bounce.