Methods of making a high dielectric constant, resistive phase of YBA.sub.2 CU.sub.3 O.sub.X and methods of using the same
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United States of America Patent
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Dec 24, 1991
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N/A
app pub date -
Jan 3, 1989
filing date -
Jan 3, 1989
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Expired
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Abstract
A material phase of quenched YBa.sub.2 Cu.sub.3 O.sub.x exhibits a high dielectric constant (.kappa..apprxeq.700 at room temperature) and is useful in the fabrication of capacitors. A particularly effective method of producing the material phase involves using laser illumination of the YBa.sub.2 Cu.sub.3 O.sub.x to provide the conditions necessary for quenching. Such laser illumination can lead to fine line patterning of electrically resistive and high dielectric constant material from a conducting or superconducting matrix.
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