| 摘要 |
<p>Thin film magnetic memories 25 x 10-4mm thick on ceramic substrates consist of ferrites containing iron (Fe2+ or Fe3+).oxide plus one or more oxides of Mg, Mn, Zn, Al, Ni, Yt, Li, Co and are formed by the decomposition of aq. alcoholic soln. of metallic nitrates at 400-700 degrees C followed by firing at 900-1250 degrees C. The coating/decomposition stages are repeated until the required thickness is obtained. The memories have short access time and high bit densities.</p> |
