DE3466898D1 - Manufacture of cadmium mercury telluride - Google Patents

Manufacture of cadmium mercury telluride

Info

Publication number
DE3466898D1
DE3466898D1 DE8484305396T DE3466898T DE3466898D1 DE 3466898 D1 DE3466898 D1 DE 3466898D1 DE 8484305396 T DE8484305396 T DE 8484305396T DE 3466898 T DE3466898 T DE 3466898T DE 3466898 D1 DE3466898 D1 DE 3466898D1
Authority
DE
Germany
Prior art keywords
manufacture
cadmium mercury
mercury telluride
telluride
cadmium
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
Application number
DE8484305396T
Other languages
English (en)
Inventor
Stuart James Curzon Irvine
John Brian Mullin
Jean Giess
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.)
Qinetiq Ltd
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Application granted granted Critical
Publication of DE3466898D1 publication Critical patent/DE3466898D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/455Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
    • C23C16/45561Gas plumbing upstream of the reaction chamber
    • 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/305Sulfides, selenides, or tellurides
    • C23C16/306AII BVI compounds, where A is Zn, Cd or Hg and B is S, Se or Te
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/0237Materials
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/0237Materials
    • H01L21/024Group 12/16 materials
    • H01L21/02411Tellurides
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02436Intermediate layers between substrates and deposited layers
    • H01L21/02439Materials
    • H01L21/02469Group 12/16 materials
    • H01L21/0248Tellurides
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02436Intermediate layers between substrates and deposited layers
    • H01L21/02494Structure
    • H01L21/02496Layer structure
    • H01L21/02505Layer structure consisting of more than two layers
    • H01L21/02507Alternating layers, e.g. superlattice
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/02521Materials
    • H01L21/02551Group 12/16 materials
    • H01L21/02562Tellurides
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/0257Doping during depositing
    • H01L21/02573Conductivity type
    • 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
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02612Formation types
    • H01L21/02617Deposition types
    • H01L21/0262Reduction or decomposition of gaseous compounds, e.g. CVD
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/12Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
    • H01L29/22Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIBVI compounds
    • H01L29/2203Cd X compounds being one element of the 6th group of the Periodic System
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/0248Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
    • H01L31/0256Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
    • H01L31/0264Inorganic materials
    • H01L31/0296Inorganic materials including, apart from doping material or other impurities, only AIIBVI compounds, e.g. CdS, ZnS, HgCdTe
    • H01L31/02966Inorganic materials including, apart from doping material or other impurities, only AIIBVI compounds, e.g. CdS, ZnS, HgCdTe including ternary compounds, e.g. HgCdTe
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1828Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof the active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe
    • H01L31/1832Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof the active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe comprising ternary compounds, e.g. Hg Cd Te
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/063Gp II-IV-VI compounds
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/064Gp II-VI compounds
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/16Superlattice
DE8484305396T 1983-09-13 1984-08-08 Manufacture of cadmium mercury telluride Expired DE3466898D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838324531A GB8324531D0 (en) 1983-09-13 1983-09-13 Cadmium mercury telluride

Publications (1)

Publication Number Publication Date
DE3466898D1 true DE3466898D1 (en) 1987-11-26

Family

ID=10548729

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484305396T Expired DE3466898D1 (en) 1983-09-13 1984-08-08 Manufacture of cadmium mercury telluride

Country Status (7)

Country Link
US (1) US4566918A (de)
EP (1) EP0135344B1 (de)
JP (1) JPH0650744B2 (de)
CA (1) CA1229290A (de)
DE (1) DE3466898D1 (de)
GB (2) GB8324531D0 (de)
IL (1) IL72790A (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8428032D0 (en) * 1984-11-06 1984-12-12 Secr Defence Growth of crystalline layers
GB2177119B (en) * 1985-06-26 1989-04-26 Plessey Co Plc Organometallic chemical vapour deposition
US4743310A (en) * 1985-08-26 1988-05-10 Ford Aerospace & Communications Corporation HGCDTE epitaxially grown on crystalline support
US4846926A (en) * 1985-08-26 1989-07-11 Ford Aerospace & Communications Corporation HcCdTe epitaxially grown on crystalline support
US4735910A (en) * 1985-09-19 1988-04-05 Matsushita Electric Industrial Co., Ltd. In-situ doping of MBE grown II-VI compounds on a homo- or hetero-substrate
KR900002687B1 (ko) * 1985-12-16 1990-04-23 후지쓰가부시끼가이샤 Mbe법에 의한 기판에 격자 정합시키는 4원 또는 5원 흔정 반도체의 성장방법
JPH084072B2 (ja) * 1986-01-14 1996-01-17 キヤノン株式会社 堆積膜形成法
US4828938A (en) * 1986-04-11 1989-05-09 Hughes Aircraft Company Method for depositing materials containing tellurium and product
US4946543A (en) * 1986-06-02 1990-08-07 Kalisher Murray H Method and apparatus for growing films on a substrate
US4761269A (en) * 1986-06-12 1988-08-02 Crystal Specialties, Inc. Apparatus for depositing material on a substrate
US4767494A (en) * 1986-07-04 1988-08-30 Nippon Telegraph & Telephone Corporation Preparation process of compound semiconductor
US4719124A (en) * 1986-07-28 1988-01-12 American Telephone And Telegraph Company At&T Bell Laboratories Low temperature deposition utilizing organometallic compounds
US4804638A (en) * 1986-12-18 1989-02-14 Raytheon Company Metalorganic chemical vapor deposition growth of Group II-IV semiconductor materials having improved compositional uniformity
CA1319587C (en) * 1986-12-18 1993-06-29 William Hoke Metalorganic chemical vapor depositing growth of group ii-vi semiconductor materials having improved compositional uniformity
GB2202236B (en) * 1987-03-09 1991-04-24 Philips Electronic Associated Manufacture of electronic devices comprising cadmium mercury telluride
GB2203757B (en) * 1987-04-16 1991-05-22 Philips Electronic Associated Electronic device manufacture
EP0305144A3 (de) * 1987-08-24 1989-03-08 Canon Kabushiki Kaisha Verfahren zur Herstellung einer Vebindungshalbleiterkristallschicht
GB2211209A (en) * 1987-10-16 1989-06-28 Philips Electronic Associated A method of forming a defect mixed oxide
US4901670A (en) * 1988-08-22 1990-02-20 Santa Barbara Research Center Elemental mercury source for metal-organic chemical vapor deposition
US4935383A (en) * 1988-09-23 1990-06-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Preparation of dilute magnetic semiconductor films by metalorganic chemical vapor deposition
DE3918094A1 (de) * 1989-06-02 1990-12-06 Aixtron Gmbh Verfahren zur herstellung von dotierten halbleiterschichten
JP2754765B2 (ja) * 1989-07-19 1998-05-20 富士通株式会社 化合物半導体結晶の製造方法
US5123995A (en) * 1990-10-04 1992-06-23 Aerodyne Research, Inc. Low-temperature, photo-induced epitaxy
US5403760A (en) * 1990-10-16 1995-04-04 Texas Instruments Incorporated Method of making a HgCdTe thin film transistor
US5306660A (en) * 1991-02-19 1994-04-26 Rockwell International Corporation Technique for doping mercury cadmium telluride MOCVD grown crystalline materials using free radical transport of elemental indium and apparatus therefor
US5202283A (en) * 1991-02-19 1993-04-13 Rockwell International Corporation Technique for doping MOCVD grown crystalline materials using free radical transport of the dopant species
IT1257434B (it) * 1992-12-04 1996-01-17 Cselt Centro Studi Lab Telecom Generatore di vapori per impianti di deposizione chimica da fase vapore
JPH08255923A (ja) * 1995-03-15 1996-10-01 Fujitsu Ltd Ii−vi族化合物半導体を使用した半導体装置及びその製造方法
US5998235A (en) * 1997-06-26 1999-12-07 Lockheed Martin Corporation Method of fabrication for mercury-based quaternary alloys of infrared sensitive materials
GB9921639D0 (en) * 1999-09-15 1999-11-17 Secr Defence Brit New organotellurium compound and new method for synthesising organotellurium compounds
US7041983B2 (en) * 2001-10-12 2006-05-09 Lockheed Martin Corporation Planar geometry buried junction infrared detector and focal plane array
DE60333807D1 (de) * 2002-06-10 2010-09-23 Ev Products Inc Strahlungsdetektor
KR20050040969A (ko) * 2003-10-29 2005-05-04 삼성전자주식회사 확산 시스템
GB0407804D0 (en) 2004-04-06 2004-05-12 Qinetiq Ltd Manufacture of cadmium mercury telluride
WO2006013344A1 (en) * 2004-08-02 2006-02-09 Qinetiq Limited Manufacture of cadmium mercury telluride on patterned silicon
US8371705B2 (en) * 2008-03-11 2013-02-12 The United States Of America As Represented By The Secretary Of The Army Mirrors and methods of making same
CA2649322C (en) * 2008-09-30 2011-02-01 5N Plus Inc. Cadmium telluride production process
US9589793B2 (en) 2008-11-06 2017-03-07 Arizona Board of Regents, a body corporate acting for and on behalf of Arizona State University Laterally varying II-VI alloys and uses thereof
FR2946184B1 (fr) 2009-05-27 2011-07-01 Commissariat Energie Atomique Enceinte, dispositif et procede de recuit d'un materiau semi-conducteur du type ii-vi
JP5867856B2 (ja) * 2011-12-27 2016-02-24 株式会社フジクラ 種結晶保持部材、窒化アルミニウム単結晶の製造方法およびその製造装置
JP2020511000A (ja) 2017-02-24 2020-04-09 ファースト・ソーラー・インコーポレーテッド ドープ光起電力半導体層および製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312571A (en) * 1961-10-09 1967-04-04 Monsanto Co Production of epitaxial films
US3218203A (en) * 1961-10-09 1965-11-16 Monsanto Co Altering proportions in vapor deposition process to form a mixed crystal graded energy gap
US3619283A (en) * 1968-09-27 1971-11-09 Ibm Method for epitaxially growing thin films
US3725135A (en) * 1968-10-09 1973-04-03 Honeywell Inc PROCESS FOR PREPARING EPITAXIAL LAYERS OF Hg{11 {118 {11 Cd{11 Te
US3664866A (en) * 1970-04-08 1972-05-23 North American Rockwell Composite, method for growth of ii{11 {14 vi{11 {0 compounds on substrates, and process for making composition for the compounds
US3622405A (en) * 1970-06-22 1971-11-23 Honeywell Inc Method for reducing compositional gradients in{11 {11 {11 {11 {11 {11 {11 {11 {11 {11
GB2055774B (en) * 1979-04-09 1983-02-02 Plessey Co Ltd Methods of producing semiconductor materials
FR2484469A1 (fr) * 1980-02-22 1981-12-18 Telecommunications Sa Procede de preparation de couches homogenes de hg1-xcdxte
GB2078695B (en) * 1980-05-27 1984-06-20 Secr Defence Cadmium mercury telluride deposition
LU82690A1 (fr) * 1980-08-05 1982-05-10 Lucien D Laude Procede de preparation de films polycristallins semiconducteurs composes ou elementaires et films ainsi obtenus
DE3278553D1 (en) * 1981-06-24 1988-06-30 Secr Defence Brit Photo diodes
US4439267A (en) * 1982-09-29 1984-03-27 The United States Of America As Represented By The Secretary Of The Army Vapor-phase method for growing mercury cadmium telluride

Also Published As

Publication number Publication date
GB8422817D0 (en) 1984-10-17
EP0135344A1 (de) 1985-03-27
CA1229290A (en) 1987-11-17
EP0135344B1 (de) 1987-10-21
GB2146663B (en) 1986-11-26
GB2146663A (en) 1985-04-24
JPH0650744B2 (ja) 1994-06-29
GB8324531D0 (en) 1983-10-12
US4566918A (en) 1986-01-28
JPS6077431A (ja) 1985-05-02
IL72790A (en) 1988-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QINETIQ LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee