NDLI: Magnetc Display Panel Using Reversal Magnetsm Background of the Invention

Content Provider	Semantic Scholar
Copyright Year	2017
Abstract	(57) ABSTRACT A magnetic reversal type display panel which provides clear display of records which can easily be raised by an erasure magnet. A liquid dispersion is sealed between two opposed surface plates, preferably in a cell struc ture. The liquid dispersion contains fine reversible mag netic display grains having magnetic poles of opposite signs tinged with different colors, a dispersion medium and a fine grain thickener. The fine reversible magnetic display grains have a residual magnetic moment within the range of 0.2 to 10 emu/g and a coercive force of not less than 500 oersteds and the liquid dispersion has a yield value of not less than 5 dynes/cm2.
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Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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