HIGH SPEED SWITCHING IN PERPENDICULAR RECORDING MEDIA

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" HIGH SPEED SWITCHING IN PERPENDICULAR RECORDING MEDIA "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	150624
Doc. No	:	ET22416
Main Entry	:	VOLODYMYR GRYGOROVYCH VOZNYUK
Title Proper	:	HIGH SPEED SWITCHING IN PERPENDICULAR RECORDING MEDIA
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	A pulsed field magnetometer capable of producing 9 kOe fields in pulses withduration of 2.3 ns has been built, and the switching behavior on a nanosecond time scaleof a CoCrPt-based perpendicular medium has been studied experimentally and comparedto simulation. The sample was composed of a granular storage layer with a saturationremanence close to unity and a soft underlayer. The time-dependent remanent coercivitywas measured down to 2.3 ns. The results are in good agreement with the extrapolation ofthe long time data, in accordance with the thermal switching model proposed bySharrock, with n=2/3. The dependence of the switching field in the nanosecond regime onthe initial remanence was studied. The remanent coercivity of the....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL45632.pdf
Title and statement of responsibility and	:	HIGH SPEED SWITCHING IN PERPENDICULAR RECORDING MEDIA [Thesis]