SYSTEM FOR DETECTING ACCESS TO A PRE-DEFINED AREA ON A PRINTED CIRCUIT BOARD

SYSTEM FOR DETECTING ACCESS TO A PRE-DEFINED AREA ON A PRINTED CIRCUIT BOARD

The present invention provides a system for detecting access to a pre-defined area on a Printed Circuit Board, wherein the system comprises:the Printed Circuit Board comprising, on at least one of its external surfaces, at least one pre-defined area comprising electrical components,a potting materia...

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1. Verfasser: LEMIRE, Stephane
Format: Patent
Sprache:eng
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CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PRINTED CIRCUITS
TESTING
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creator LEMIRE, Stephane
description The present invention provides a system for detecting access to a pre-defined area on a Printed Circuit Board, wherein the system comprises:the Printed Circuit Board comprising, on at least one of its external surfaces, at least one pre-defined area comprising electrical components,a potting material arranged over at least the pre-defined area, wherein the potting material comprises a first layer of transparent material configured to allow light to pass through, and a second layer of opaque material arranged so that completely blocks light towards the first layer, wherein the first layer is arranged between the Printed Circuit Board and the second layer and extends at least over the pre-defined area, andat least one photo-sensor arranged within the first layer of transparent material and configured to generate a tamper signal upon detection of light in the first layer.
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subjects CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PRINTED CIRCUITS
TESTING
title SYSTEM FOR DETECTING ACCESS TO A PRE-DEFINED AREA ON A PRINTED CIRCUIT BOARD
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