A security device (10) for protecting sensitive data stored in a resettable memory (110) includes a housing (11) formed of six ceramic plates (P1-P6) each having provided thereon a pair of thin film conductive path segments arranged in a meandering configuration. The thin film conductive path segments...http://www.google.es/patents/US4811288?utm_source=gb-gplus-sharePatente US4811288 - Data security device for protecting stored data
