Extended temperature operation of one megabit bubble memory devices

We have demonstrated that the operating temperature range of MBM2011A commercial (0-70°C) one megabit bubble memory devices may be significantly extended by application of temperature compensation to the chip biasing field and function currents. Compensation of biasing field is achieved using the in...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1984-09, Vol.20 (5), p.1060-1065
Main Authors: Arbaugh, L., Markham, D.
Format: Article
Language:English
Subjects:
Circuit synthesis
Circuit testing
Coils
Conducting materials
Impedance
Magnets
Packaging
Production
Temperature dependence
Temperature distribution
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Summary:We have demonstrated that the operating temperature range of MBM2011A commercial (0-70°C) one megabit bubble memory devices may be significantly extended by application of temperature compensation to the chip biasing field and function currents. Compensation of biasing field is achieved using the internal z-bias coil of the device. Full functionality and non-volatility of devices over a -55°C to +85°C case temperature range have been achieved using predominantly linear tracking rules. This greatly increased operating temperature range significantly extends the application range of bubble technology.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1984.1063341