TW375648B - Tamper-proof electronic coatings - Google Patents

Tamper-proof electronic coatings

Info

Publication number
TW375648B
TW375648B TW085112195A TW85112195A TW375648B TW 375648 B TW375648 B TW 375648B TW 085112195 A TW085112195 A TW 085112195A TW 85112195 A TW85112195 A TW 85112195A TW 375648 B TW375648 B TW 375648B
Authority
TW
Taiwan
Prior art keywords
electronic device
tamper
inorganic salt
proof electronic
precursor resin
Prior art date
Application number
TW085112195A
Other languages
English (en)
Inventor
Robert Charles Camilletti
Loren Andrew Haluska
Keith Winton Michael
Original Assignee
Dow Corning
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 Dow Corning filed Critical Dow Corning
Application granted granted Critical
Publication of TW375648B publication Critical patent/TW375648B/zh

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/57Protection from inspection, reverse engineering or tampering
    • H01L23/573Protection from inspection, reverse engineering or tampering using passive means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/19Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/36Identification or security features, e.g. for preventing forgery comprising special materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62222Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/02Polysilicates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04Polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00Coating not provided for in groups C23C2/00 - C23C24/00
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20Testing patterns thereon
    • G07D7/202Testing patterns thereon using pattern matching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/50Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
    • H01L21/56Encapsulations, e.g. encapsulation layers, coatings
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00844Uses not provided for elsewhere in C04B2111/00 for electronic applications
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/2007Avoiding unauthorised or unwanted use or treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31652Of asbestos
    • Y10T428/31663As siloxane, silicone or silane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Nonlinear Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Paints Or Removers (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Formation Of Insulating Films (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Silicon Compounds (AREA)
  • Weting (AREA)
TW085112195A 1995-10-26 1996-10-05 Tamper-proof electronic coatings TW375648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/548,851 US5693701A (en) 1995-10-26 1995-10-26 Tamper-proof electronic coatings

Publications (1)

Publication Number Publication Date
TW375648B true TW375648B (en) 1999-12-01

Family

ID=24190646

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085112195A TW375648B (en) 1995-10-26 1996-10-05 Tamper-proof electronic coatings

Country Status (5)

Country Link
US (2) US5693701A (zh)
EP (1) EP0770652A3 (zh)
JP (1) JPH09208212A (zh)
KR (1) KR970020218A (zh)
TW (1) TW375648B (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5789325A (en) * 1996-04-29 1998-08-04 Dow Corning Corporation Coating electronic substrates with silica derived from polycarbosilane
US5807611A (en) * 1996-10-04 1998-09-15 Dow Corning Corporation Electronic coatings
DE69935064T2 (de) 1998-06-10 2008-01-03 Koninklijke Philips Electronics N.V. Halbleiteranordnung mit einer integrierten schaltung und keramischer sicherheitsschicht und verfahren zum herstellen solcher anordnung
AU3518800A (en) * 1999-03-10 2000-09-28 Allison Engine Company, Inc. Silicone resin bonded dry film lubricants
TW502286B (en) * 1999-12-09 2002-09-11 Koninkl Philips Electronics Nv Semiconductor device comprising a security coating and smartcard provided with such a device
AU2003250808A1 (en) * 2002-08-09 2004-03-19 Siemens Aktiengesellschaft Coating of an integrated semiconductor circuit, and method for producing said coating
US8901268B2 (en) 2004-08-03 2014-12-02 Ahila Krishnamoorthy Compositions, layers and films for optoelectronic devices, methods of production and uses thereof
US8557877B2 (en) 2009-06-10 2013-10-15 Honeywell International Inc. Anti-reflective coatings for optically transparent substrates
US9195858B2 (en) * 2009-08-04 2015-11-24 Seagate Technology Llc Encrypted data storage device
US8864898B2 (en) 2011-05-31 2014-10-21 Honeywell International Inc. Coating formulations for optical elements
JP6803842B2 (ja) 2015-04-13 2020-12-23 ハネウェル・インターナショナル・インコーポレーテッドHoneywell International Inc. オプトエレクトロニクス用途のためのポリシロキサン製剤及びコーティング
US9711464B2 (en) 2015-09-23 2017-07-18 International Business Machines Corporation Semiconductor chip with anti-reverse engineering function

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH492948A (fr) 1968-09-13 1970-06-30 Rador S A Bande pour l'obtention d'un élément barbelé
US3615272A (en) * 1968-11-04 1971-10-26 Dow Corning Condensed soluble hydrogensilsesquioxane resin
US3986997A (en) * 1974-06-25 1976-10-19 Dow Corning Corporation Pigment-free coating compositions
US4435219A (en) * 1982-06-02 1984-03-06 Ppg Industries, Inc. Stable inorganic coating composition for adherent, inorganic coatings
US4448919A (en) * 1982-09-30 1984-05-15 Kansai Paint Company Anti-icing compositions
JPS59178749A (ja) 1983-03-30 1984-10-11 Fujitsu Ltd 配線構造体
JPS6086017A (ja) 1983-10-17 1985-05-15 Fujitsu Ltd ポリハイドロジエンシルセスキオキサンの製法
JP2530436B2 (ja) * 1986-09-18 1996-09-04 住友化学工業株式会社 コ−テイング組成物
JPS63107122A (ja) 1986-10-24 1988-05-12 Fujitsu Ltd 凹凸基板の平坦化方法
US4756977A (en) * 1986-12-03 1988-07-12 Dow Corning Corporation Multilayer ceramics from hydrogen silsesquioxane
US4749631B1 (en) * 1986-12-04 1993-03-23 Multilayer ceramics from silicate esters
US5011706A (en) 1989-04-12 1991-04-30 Dow Corning Corporation Method of forming coatings containing amorphous silicon carbide
US4999397A (en) 1989-07-28 1991-03-12 Dow Corning Corporation Metastable silane hydrolyzates and process for their preparation
US5010159A (en) * 1989-09-01 1991-04-23 Dow Corning Corporation Process for the synthesis of soluble, condensed hydridosilicon resins containing low levels of silanol
US5258334A (en) * 1993-01-15 1993-11-02 The U.S. Government As Represented By The Director, National Security Agency Process of preventing visual access to a semiconductor device by applying an opaque ceramic coating to integrated circuit devices
US5458912A (en) * 1993-03-08 1995-10-17 Dow Corning Corporation Tamper-proof electronic coatings
US5468990A (en) * 1993-07-22 1995-11-21 National Semiconductor Corp. Structures for preventing reverse engineering of integrated circuits
GB2288184A (en) * 1994-03-31 1995-10-11 Catalysts & Chem Ind Co Coating composition
US5399441A (en) * 1994-04-12 1995-03-21 Dow Corning Corporation Method of applying opaque coatings
US5548912A (en) * 1994-04-29 1996-08-27 Liu; Jian Ho Water filled crystal ball structure with driven steel balls
US5516596A (en) * 1994-12-19 1996-05-14 Dow Corning Corporation Method of forming a composite, article and composition

Also Published As

Publication number Publication date
US5744244A (en) 1998-04-28
EP0770652A3 (en) 1998-03-18
JPH09208212A (ja) 1997-08-12
KR970020218A (ko) 1997-05-28
EP0770652A2 (en) 1997-05-02
US5693701A (en) 1997-12-02

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