Development of MgZn-Based ferrite materials for deflection yokes
Ferrite materials in the form of the deflection yokes constitute a very significant portion of the entire world production of soft ferrites. The main applications are in TV sets and computer display monitors. Thus, this work was initiated to develop soft ferrite materials of the MgZn type suitabl...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English English |
| Published: |
2000
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| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/9055/1/FSAS_2000_16%20IR.pdf |
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| Summary: | Ferrite materials in the form of the deflection yokes constitute a very
significant portion of the entire world production of soft ferrites. The main
applications are in TV sets and computer display monitors. Thus, this work was
initiated to develop soft ferrite materials of the MgZn type suitable for use as
deflection yoke materials. As cost plays a very important role in production,
the initial part of the project was to develop the required material by
manipulating the composition through production grade raw material. Various
additives such as CaO, CuO, TiO₂ and La₂O₃ were added to assist in attaining
the required properties. Green compacts with a sintering temperature of 1150°C
and only air atmosphere were needed to achieve the magnetic and electrical
properties close to those of SAMHWA's YL-5 material. A compositional
design technique capable of producing deflection yokes material was successfully developed to cater for the television and computer industry in
Malaysia. |
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