Tamper-evident and/or tamper-resistant electronic components

Information security – Protection of hardware

Reexamination Certificate

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Details

C174S521000

Reexamination Certificate

active

09897424

ABSTRACT:
A tamper-evident and/or tamper-resistant electronic module comprising an electronic component embedded in an encapsulant material and at least one thin sheet of frangible material contacting and overlying said encapsulant material and overlying said component, said sheet being sufficiently thin that it is likely to crack or break if an attempt is made to drill or cut through it with a laser drill.

REFERENCES:
patent: 4262329 (1981-04-01), Bright et al.
patent: 4799258 (1989-01-01), Davies
patent: 4860351 (1989-08-01), Weingart
patent: 5117457 (1992-05-01), Comerford et al.
patent: 5136647 (1992-08-01), Haber et al.
patent: 5389738 (1995-02-01), Piosenka et al.
patent: 6263438 (2001-07-01), Walker et al.
patent: 0422757 (1991-04-01), None
patent: 0624014 (1994-11-01), None
patent: 0860882 (1998-08-01), None
patent: 0972632 (2000-01-01), None
patent: 2 593 950 (1986-02-01), None
patent: 92/12485 (1992-07-01), None

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