US Patent 7456122 Polycrystalline alumina articles

Patent 7456122 was granted and assigned to Ceranova Corporation on November, 2008 by the United States Patent and Trademark Office.

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Patent Citations Received

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US Patent 11870221 Spark plug and methods of manufacturing same

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Patent Inventor Names

Marina R. Pascucci0

Mark V. Parish0

William H. Rhodes0

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Patent abstract

Polycrystalline alumina and methods for manufacturing polycrystalline alumina exhibiting improved transmission in the infrared region. In one embodiment, the percent real in-line transmittance is within about 2% of sapphire at selected wavelengths. In one or more embodiments, polycrystalline articles exhibit improved mechanical properties such as thermal shock resistance and hardness, which may find use in armor applications.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=074561220

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