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Low Alpha Particle Package Design Disclosure Number: IPCOM000068258D
Original Publication Date: 1979-Dec-01
Included in the Prior Art Database: 2005-Feb-20

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Dougherty, WD Greer, S Totta, PA [+details]


Most ceramic substrates have excessively high counts of alpha radiation due to naturally occurring contaminants of uranium or thorium in the alumina or glasses.