Magnetic shield for integrated circuit packaging

Details Magnetic shield for integrated circuit packaging Magnetic shield for integrated circuit packaging

2005-06-14

2005-06-14

Nelms, David (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Responsive to non-electrical signal

Electromagnetic or particle radiation

C257S659000, C257S660000, C257S704000, C257S710000, C257S729000, C257S921000, C438S003000

Reexamination Certificate

active

06906396

ABSTRACT:
Structures and methods for providing magnetic shielding for integrated circuits are disclosed. The shielding comprises a foil or sheet of magnetically permeable material applied to an outer surface of a molded (e.g., epoxy) integrated circuit package. The foil can be held in place by adhesive or by mechanical means. The thickness of the shielding can be tailored to a customer's specific needs, and can be applied after all high temperature processing, such that a degaussed shield can be provided despite use of strong magnetic fields during high temperature processing, which fields are employed to maintain pinned magnetic layers within the integrated circuit.

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