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Recent Patents on Materials Science

Editor-in-Chief

ISSN (Print): 1874-4648
ISSN (Online): 1874-4656

Method for Storing Digital Information and Storage Element: A Thermal Memory Cell

Author(s): Janez Dolinsek

Volume 8 , Issue 2 , 2015

Page: [119 - 128] Pages: 10

DOI: 10.2174/1874464808666150415001749

Price: $65

Abstract

A concept of thermal storage of digital information in a thermal memory cell as described in the patent “Method for storing digital information and storage element” (EP2207177) is presented, where a byte of digital information can be stored into the storage medium by pure thermal manipulation, in the absence of an electric or a magnetic field. Thermal inscription of information employs a specific temperature-time profile that involves continuous cooling and isothermal waiting (aging) time periods. The employed storage media were magnetically frustrated metallic solids. We succeeded to thermally write arbitrary ASCII characters into the Taylor-phase T-Al3(Mn,Fe) complex intermetallic compound and the Cu-Mn canonical spin glass.

Keywords: Frustrated magnetic materials, intermetallic compounds, memory effect, nonergodic systems, spin glasses, thermal memory cell, thermal storage of digital information.


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