Prevention Of Errors In Charge-Coupled Devices Due To Alpha Emission
Original Publication Date: 1979-Jul-01
Included in the Prior Art Database: 2005-Feb-20
Charge-coupled devices (CCDs) used, for example, in random-access memories, are subject to errors caused by alpha emissions from the ceramic substrate on which a CCD chip is mounted. The alpha emissions are a function of impurities, especially uranium and thorium.