DE69034125D1 - Schützen eines integrierten Schaltungschips mit einem leitenden Schild - Google Patents

Schützen eines integrierten Schaltungschips mit einem leitenden Schild

Info

Publication number
DE69034125D1
DE69034125D1 DE69034125T DE69034125T DE69034125D1 DE 69034125 D1 DE69034125 D1 DE 69034125D1 DE 69034125 T DE69034125 T DE 69034125T DE 69034125 T DE69034125 T DE 69034125T DE 69034125 D1 DE69034125 D1 DE 69034125D1
Authority
DE
Germany
Prior art keywords
protect
integrated circuit
circuit chip
conductive shield
shield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69034125T
Other languages
English (en)
Other versions
DE69034125T2 (de
Inventor
Robert C Gilbert
Richard M Knowles
Paul Moroney
William Allen Shumate
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arris Technology Inc filed Critical Arris Technology Inc
Publication of DE69034125D1 publication Critical patent/DE69034125D1/de
Application granted granted Critical
Publication of DE69034125T2 publication Critical patent/DE69034125T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/57—Protection from inspection, reverse engineering or tampering
    • H01L23/576—Protection from inspection, reverse engineering or tampering using active circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/86—Secure or tamper-resistant housings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
    • Y10S257/922—Active solid-state devices, e.g. transistors, solid-state diodes with means to prevent inspection of or tampering with an integrated circuit, e.g. "smart card", anti-tamper
DE1990634125 1989-01-12 1990-01-04 Schützen eines integrierten Schaltungschips mit einem leitenden Schild Expired - Fee Related DE69034125T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/297,472 US4933898A (en) 1989-01-12 1989-01-12 Secure integrated circuit chip with conductive shield
US297472 1994-08-29

Publications (2)

Publication Number Publication Date
DE69034125D1 true DE69034125D1 (de) 2004-02-05
DE69034125T2 DE69034125T2 (de) 2004-11-18

Family

ID=23146461

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1990634125 Expired - Fee Related DE69034125T2 (de) 1989-01-12 1990-01-04 Schützen eines integrierten Schaltungschips mit einem leitenden Schild
DE69033241T Expired - Fee Related DE69033241T2 (de) 1989-01-12 1990-01-04 Schützen eines integrierten Schaltungschips mit einem leitenden Schild

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69033241T Expired - Fee Related DE69033241T2 (de) 1989-01-12 1990-01-04 Schützen eines integrierten Schaltungschips mit einem leitenden Schild

Country Status (11)

Country Link
US (1) US4933898A (de)
EP (2) EP0378306B1 (de)
JP (1) JPH0787237B2 (de)
KR (1) KR0180521B1 (de)
AU (1) AU617026B2 (de)
CA (1) CA2007469C (de)
DE (2) DE69034125T2 (de)
DK (2) DK0378306T3 (de)
ES (2) ES2214760T3 (de)
IE (1) IE62793B1 (de)
NO (2) NO303808B1 (de)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185717A (en) * 1988-08-05 1993-02-09 Ryoichi Mori Tamper resistant module having logical elements arranged in multiple layers on the outer surface of a substrate to protect stored information
US5502315A (en) * 1989-09-07 1996-03-26 Quicklogic Corporation Electrically programmable interconnect structure having a PECVD amorphous silicon element
US5989943A (en) * 1989-09-07 1999-11-23 Quicklogic Corporation Method for fabrication of programmable interconnect structure
US5027397A (en) * 1989-09-12 1991-06-25 International Business Machines Corporation Data protection by detection of intrusion into electronic assemblies
US5237610A (en) * 1990-02-01 1993-08-17 Scientific-Atlanta, Inc. Independent external security module for a digitally upgradeable television signal decoder
US5029207A (en) * 1990-02-01 1991-07-02 Scientific-Atlanta, Inc. External security module for a television signal decoder
US5199008A (en) * 1990-03-14 1993-03-30 Southwest Research Institute Device for digitally measuring intervals of time
US5614756A (en) * 1990-04-12 1997-03-25 Actel Corporation Metal-to-metal antifuse with conductive
US5381035A (en) * 1992-09-23 1995-01-10 Chen; Wenn-Jei Metal-to-metal antifuse including etch stop layer
US5780323A (en) * 1990-04-12 1998-07-14 Actel Corporation Fabrication method for metal-to-metal antifuses incorporating a tungsten via plug
US5181096A (en) * 1990-04-12 1993-01-19 Actel Corporation Electrically programmable antifuse incorporating dielectric and amorphous silicon interlayer
US5270983A (en) * 1990-09-13 1993-12-14 Ncr Corporation Single element security fusible link
US5086410A (en) * 1990-09-14 1992-02-04 National Semiconductor Corporation Non-erasable eprom cell for redundancy circuit
US5053992A (en) * 1990-10-04 1991-10-01 General Instrument Corporation Prevention of inspection of secret data stored in encapsulated integrated circuit chip
JP2960560B2 (ja) 1991-02-28 1999-10-06 株式会社日立製作所 超小型電子機器
FR2674060B1 (fr) * 1991-03-14 1993-05-28 Gemplus Card Int Procede de programmation pour memoire integree, notamment pour carte a memoire.
US5701027A (en) * 1991-04-26 1997-12-23 Quicklogic Corporation Programmable interconnect structures and programmable integrated circuits
US5557136A (en) * 1991-04-26 1996-09-17 Quicklogic Corporation Programmable interconnect structures and programmable integrated circuits
US5072331A (en) * 1991-04-26 1991-12-10 Hughes Aircraft Company Secure circuit structure
US5196724A (en) * 1991-04-26 1993-03-23 Quicklogic Corporation Programmable interconnect structures and programmable integrated circuits
AU1904992A (en) * 1991-05-10 1992-12-30 Quicklogic Corporation Amorphous silicon antifuses and methods for fabrication thereof
US5302546A (en) * 1991-07-31 1994-04-12 Quicklogic Corporation Programming of antifuses
US5327024A (en) * 1992-07-02 1994-07-05 Quicklogic Corporation Field programmable antifuse device and programming method therefor
US5243226A (en) * 1991-07-31 1993-09-07 Quicklogic Corporation Programming of antifuses
US5544070A (en) * 1991-07-31 1996-08-06 Quicklogic Corporation Programmed programmable device and method for programming antifuses of a programmable device
KR940005696B1 (ko) * 1991-11-25 1994-06-22 현대전자산업 주식회사 보안성 있는 롬(rom)소자
US5233563A (en) * 1992-01-13 1993-08-03 Ncr Corporation Memory security device
US5327497A (en) * 1992-06-04 1994-07-05 Integrated Technologies Of America, Inc. Preboot protection of unauthorized use of programs and data with a card reader interface
US5610981A (en) * 1992-06-04 1997-03-11 Integrated Technologies Of America, Inc. Preboot protection for a data security system with anti-intrusion capability
US5293133A (en) * 1992-08-27 1994-03-08 Quicklogic Corporation Method of determining an electrical characteristic of an antifuse and apparatus therefor
KR100310220B1 (ko) * 1992-09-14 2001-12-17 엘란 티본 집적회로장치를제조하기위한장치및그제조방법
US5465341A (en) * 1992-10-23 1995-11-07 Vlsi Technology, Inc. Verifiable security circuitry for preventing unauthorized access to programmed read only memory
US5444780A (en) * 1993-07-22 1995-08-22 International Business Machines Corporation Client/server based secure timekeeping system
US5394106A (en) * 1993-08-31 1995-02-28 Gadzoox Microsystems Apparatus and method for synthesis of signals with programmable periods
IL106892A0 (en) * 1993-09-02 1993-12-28 Pierre Badehi Methods and apparatus for producing integrated circuit devices
US5533123A (en) * 1994-06-28 1996-07-02 National Semiconductor Corporation Programmable distributed personal security
US6117707A (en) * 1994-07-13 2000-09-12 Shellcase Ltd. Methods of producing integrated circuit devices
US5552720A (en) * 1994-12-01 1996-09-03 Quicklogic Corporation Method for simultaneous programming of multiple antifuses
US5535168A (en) * 1994-12-01 1996-07-09 Motorola, Inc. Method and apparatus for selectively erasing memory to extend battery life
US5495181A (en) * 1994-12-01 1996-02-27 Quicklogic Corporation Integrated circuit facilitating simultaneous programming of multiple antifuses
AU6762296A (en) * 1995-07-20 1997-02-18 Dallas Semiconductor Corporation Microcircuit with memory that is protected by both hardware and software
US5824571A (en) * 1995-12-20 1998-10-20 Intel Corporation Multi-layered contacting for securing integrated circuits
US5861652A (en) * 1996-03-28 1999-01-19 Symbios, Inc. Method and apparatus for protecting functions imbedded within an integrated circuit from reverse engineering
US5602053A (en) * 1996-04-08 1997-02-11 Chartered Semidconductor Manufacturing Pte, Ltd. Method of making a dual damascene antifuse structure
DE19634135C2 (de) * 1996-08-23 1998-07-02 Siemens Ag Halbleiterschaltung, insbesondere zur Verwendung in einem integrierten Baustein
DE19639033C1 (de) 1996-09-23 1997-08-07 Siemens Ag Analysierschutz für einen Halbleiterchip
US5898776A (en) * 1996-11-21 1999-04-27 Quicklogic Corporation Security antifuse that prevents readout of some but not other information from a programmed field programmable gate array
US5959466A (en) * 1997-01-31 1999-09-28 Actel Corporation Field programmable gate array with mask programmed input and output buffers
US5861662A (en) * 1997-02-24 1999-01-19 General Instrument Corporation Anti-tamper bond wire shield for an integrated circuit
US6150837A (en) * 1997-02-28 2000-11-21 Actel Corporation Enhanced field programmable gate array
JPH1116365A (ja) * 1997-06-20 1999-01-22 Oki Micro Design Miyazaki:Kk アドレスデコーダおよび半導体記憶装置、並びに半導体装置
US7743262B2 (en) * 1997-07-15 2010-06-22 Silverbrook Research Pty Ltd Integrated circuit incorporating protection from power supply attacks
US7249109B1 (en) * 1997-07-15 2007-07-24 Silverbrook Research Pty Ltd Shielding manipulations of secret data
US7249108B1 (en) * 1997-07-15 2007-07-24 Silverbrook Research Pty Ltd Validation protocol and system
US7246098B1 (en) * 1997-07-15 2007-07-17 Silverbrook Research Pty Ltd Consumable authentication protocol and system
US6137318A (en) * 1997-12-09 2000-10-24 Oki Electric Industry Co., Ltd. Logic circuit having dummy MOS transistor
DE19810730A1 (de) * 1998-03-12 1999-09-16 Philips Patentverwaltung Microcontrollerschaltung
US6140212A (en) * 1998-06-01 2000-10-31 Motorola, Inc. Semiconductor device and method therefor
US6816968B1 (en) * 1998-07-10 2004-11-09 Silverbrook Research Pty Ltd Consumable authentication protocol and system
KR100396064B1 (ko) * 1998-08-18 2003-08-27 인피니언 테크놀로지스 아게 표면 코팅부를 갖는 반도체 칩
EP0981162B1 (de) * 1998-08-19 2007-03-07 Infineon Technologies AG Halbleiterchip mit Oberflächenabdeckung gegen optische Untersuchung der Schaltungsstruktur
JP2000311943A (ja) 1999-04-27 2000-11-07 Mitsubishi Electric Corp 半導体装置
DE59914555D1 (de) * 1999-06-01 2007-12-27 Infineon Technologies Ag Schutzschaltung
EP1063589A1 (de) * 1999-06-25 2000-12-27 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Gerät zur Datenverarbeitung und entsprechendes Verfahren
JP3454471B2 (ja) * 1999-07-09 2003-10-06 沖電気工業株式会社 半導体装置
US6225652B1 (en) * 1999-08-02 2001-05-01 Clear Logic, Inc. Vertical laser fuse structure allowing increased packing density
US6518823B1 (en) * 1999-08-31 2003-02-11 Sony Computer Entertainment Inc. One-time programmable logic device
EP1102320B1 (de) * 1999-11-16 2008-08-20 Infineon Technologies AG Sicherheits-ROM-Speicherzelle und Verfahren zu deren Herstellung
US7005733B2 (en) * 1999-12-30 2006-02-28 Koemmerling Oliver Anti tamper encapsulation for an integrated circuit
US6515304B1 (en) 2000-06-23 2003-02-04 International Business Machines Corporation Device for defeating reverse engineering of integrated circuits by optical means
DE10044837C1 (de) * 2000-09-11 2001-09-13 Infineon Technologies Ag Schaltungsanordnung und Verfahren zum Detektieren eines unerwünschten Angriffs auf eine integrierte Schaltung
JP4184586B2 (ja) * 2000-09-28 2008-11-19 株式会社東芝 半導体記憶装置
US6815816B1 (en) 2000-10-25 2004-11-09 Hrl Laboratories, Llc Implanted hidden interconnections in a semiconductor device for preventing reverse engineering
US6608792B2 (en) * 2000-11-09 2003-08-19 Texas Instruments Incorporated Method and apparatus for storing data in an integrated circuit
DE10058078C1 (de) * 2000-11-23 2002-04-11 Infineon Technologies Ag Integrierte Schaltungsanordnung mit Analysierschutz und Verfahren zur Herstellung der Anordnung
DE10065339B4 (de) * 2000-12-27 2004-04-15 Infineon Technologies Ag Kapazitiver Sensor als Schutzvorrichtung gegen Angriffe auf einen Sicherheitschip
US7294935B2 (en) * 2001-01-24 2007-11-13 Hrl Laboratories, Llc Integrated circuits protected against reverse engineering and method for fabricating the same using an apparent metal contact line terminating on field oxide
US6740942B2 (en) 2001-06-15 2004-05-25 Hrl Laboratories, Llc. Permanently on transistor implemented using a double polysilicon layer CMOS process with buried contact
US6774413B2 (en) 2001-06-15 2004-08-10 Hrl Laboratories, Llc Integrated circuit structure with programmable connector/isolator
US7049667B2 (en) 2002-09-27 2006-05-23 Hrl Laboratories, Llc Conductive channel pseudo block process and circuit to inhibit reverse engineering
US6979606B2 (en) 2002-11-22 2005-12-27 Hrl Laboratories, Llc Use of silicon block process step to camouflage a false transistor
AU2003293540A1 (en) 2002-12-13 2004-07-09 Raytheon Company Integrated circuit modification using well implants
EP1514166B1 (de) * 2003-04-15 2012-01-11 NDS Limited Sichere zeitreferenz
JP4758621B2 (ja) * 2003-08-28 2011-08-31 パナソニック株式会社 基本セル、端部セル、配線形状、配線方法、シールド線の配線構造
FR2864667B1 (fr) * 2003-12-29 2006-02-24 Commissariat Energie Atomique Protection d'une puce de circuit integre contenant des donnees confidentielles
FR2868577A1 (fr) 2004-03-31 2005-10-07 St Microelectronics Sa Dispositif de detection d'attaque d'une puce de circuit integre
US7242063B1 (en) 2004-06-29 2007-07-10 Hrl Laboratories, Llc Symmetric non-intrusive and covert technique to render a transistor permanently non-operable
US7015823B1 (en) * 2004-10-15 2006-03-21 Systran Federal Corporation Tamper resistant circuit boards
FR2879296A1 (fr) * 2004-12-14 2006-06-16 St Microelectronics Sa Invalidation d'un circuit integre
DE102005005622B4 (de) * 2005-02-08 2008-08-21 Infineon Technologies Ag Sicherheits-Chipstapel und ein Verfahren zum Herstellen eines Sicherheits-Chipstapels
US7281667B2 (en) * 2005-04-14 2007-10-16 International Business Machines Corporation Method and structure for implementing secure multichip modules for encryption applications
FR2888975B1 (fr) * 2005-07-21 2007-09-07 Atmel Corp Procede de securisation pour la protection de donnees
FR2893436B1 (fr) * 2005-11-15 2008-02-15 Oberthur Card Syst Sa Securisation entre des composants electroniques d'une entite electronique securisee portable
US20070150754A1 (en) * 2005-12-22 2007-06-28 Pauly Steven J Secure software system and method for a printer
US7623378B1 (en) * 2006-05-02 2009-11-24 Lattice Semiconductor Corporation Selective programming of non-volatile memory facilitated by security fuses
US8168487B2 (en) 2006-09-28 2012-05-01 Hrl Laboratories, Llc Programmable connection and isolation of active regions in an integrated circuit using ambiguous features to confuse a reverse engineer
US8255702B1 (en) * 2009-12-03 2012-08-28 Altera Corporation Programmable logic device with improved security
US20120210438A1 (en) * 2011-02-15 2012-08-16 Guobiao Zhang Secure Three-Dimensional Mask-Programmed Read-Only Memory
US9218511B2 (en) * 2011-06-07 2015-12-22 Verisiti, Inc. Semiconductor device having features to prevent reverse engineering
US8975748B1 (en) 2011-06-07 2015-03-10 Secure Silicon Layer, Inc. Semiconductor device having features to prevent reverse engineering
US9287879B2 (en) 2011-06-07 2016-03-15 Verisiti, Inc. Semiconductor device having features to prevent reverse engineering
US9437555B2 (en) 2011-06-07 2016-09-06 Verisiti, Inc. Semiconductor device having features to prevent reverse engineering
JP5692179B2 (ja) * 2012-07-24 2015-04-01 カシオ計算機株式会社 システムｌｓｉ及びプログラム消去方法
AP2015008585A0 (en) * 2013-01-11 2015-07-31 Secure Silicon Layer Inc Semiconductor device having features to prevent reverse engineering
DE102013214214A1 (de) 2013-07-19 2015-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Löschen von Informationen und Vorrichtung zur Durchführung desselben
DE102020202721A1 (de) 2020-03-03 2021-09-09 Infineon Technologies Ag Datenspeicher und verfahren zum bereitstellen desselben

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882323A (en) * 1973-12-17 1975-05-06 Us Navy Method and apparatus for protecting sensitive information contained in thin-film microelectonic circuitry
GB2129586B (en) * 1982-11-01 1986-04-30 Robert Andrew Mclaren Improvements in or relating to memory systems
EP0128672A1 (de) * 1983-05-13 1984-12-19 Ira Dennis Gale Datensicherheitsvorrichtung
EP0169941B1 (de) * 1984-07-31 1989-10-18 Siemens Aktiengesellschaft Monolithisch integrierte Halbleiterschaltung
FR2569054B1 (fr) * 1984-08-10 1986-11-28 Eurotechnique Sa Dispositif de neutralisation de l'acces a une zone a proteger d'un circuit integre
US4593384A (en) * 1984-12-21 1986-06-03 Ncr Corporation Security device for the secure storage of sensitive data
US4744062A (en) * 1985-04-23 1988-05-10 Hitachi, Ltd. Semiconductor integrated circuit with nonvolatile memory
GB2182176B (en) * 1985-09-25 1989-09-20 Ncr Co Data security device for protecting stored data
EP0221351B1 (de) * 1985-10-22 1991-09-25 Siemens Aktiengesellschaft Integrierte Halbleiterschaltung mit einem elektrisch leitenden Flächenelement

Also Published As

Publication number Publication date
CA2007469A1 (en) 1990-07-12
IE62793B1 (en) 1995-03-08
AU4766990A (en) 1990-07-19
KR900012345A (ko) 1990-08-03
EP0378306A2 (de) 1990-07-18
NO975981L (no) 1997-12-19
EP0920057A3 (de) 2000-01-12
DE69033241D1 (de) 1999-09-16
EP0378306B1 (de) 1999-08-11
CA2007469C (en) 1994-08-16
US4933898A (en) 1990-06-12
NO975981D0 (no) 1997-12-19
DE69034125T2 (de) 2004-11-18
KR0180521B1 (ko) 1999-04-15
NO303808B1 (no) 1998-08-31
ES2134188T3 (es) 1999-10-01
ES2214760T3 (es) 2004-09-16
NO900114L (no) 1990-07-13
JPH02232960A (ja) 1990-09-14
DK0378306T3 (da) 2000-03-13
JPH0787237B2 (ja) 1995-09-20
NO900114D0 (no) 1990-01-10
EP0378306A3 (de) 1991-12-04
EP0920057B1 (de) 2004-01-02
DK0920057T3 (da) 2004-05-10
IE900003L (en) 1990-07-12
DE69033241T2 (de) 2000-02-03
EP0920057A2 (de) 1999-06-02
AU617026B2 (en) 1991-11-14

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