Chip-carrier with alpha ray shield

Details Chip-carrier with alpha ray shield Chip-carrier with alpha ray shield

H - Electricity

01

L

356/143, 356/178

H01L 23/552 (2006.01) H01L 23/053 (2006.01) H01L 23/12 (2006.01) H01L 23/16 (2006.01) H01L 23/556 (2006.01)

Patent

CA 2021682

In a chip-carrier provided with a chip-carrier substrate, a chip-carrier cover and an IC chip, said IC chip being arranged at a distance from a circuit surface of the IC chip being directed toward the chip-carrier substrate, an .alpha.-ray shielding film made of film material containing few radioactive elements, and adhered to a surface of the chip-carrier substrate facing the IC chip or to the circuit surface of the IC chip is provided for protecting the IC chip from soft errors caused by .alpha.-rays.

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