Device for protecting electronic circuits against electrostatic

Details Device for protecting electronic circuits against electrostatic Device for protecting electronic circuits against electrostatic

1984-12-17

1986-05-27

Pellinen, A. D.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

235451, 235487, G06K 708, H05F 302

Patent

active

045919453

ABSTRACT:
An insulative data carrier of the credit card type having a protective device that protects electronic circuits, such as integrated circuits (3a, 3b), incorporated therein against electrostatic charges, said electronic circuits being mounted on an auxiliary electrically insulating carrier element (2, 4) disposed within a recess in an insulative carrier and having fixed input/output contacts (5) connected by an interconnecting net (6, 7) to input/output terminals (8) mounted on said auxiliary carrier element (4). The terminals (8) are accessible from the outside and are concentrated in at least one zone of the carrier element (4). At least one metal ring (20) carried by said carrier element (4) is mounted so as to circle said input/output terminals (8) concentrated in said zone.

REFERENCES:
patent: 3974332 (1976-08-01), Abe et al.

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