IT7925514A0 - Trattamento di materiali semiconduttori. - Google Patents

Trattamento di materiali semiconduttori.

Info

Publication number
IT7925514A0
IT7925514A0 IT7925514A IT2551479A IT7925514A0 IT 7925514 A0 IT7925514 A0 IT 7925514A0 IT 7925514 A IT7925514 A IT 7925514A IT 2551479 A IT2551479 A IT 2551479A IT 7925514 A0 IT7925514 A0 IT 7925514A0
Authority
IT
Italy
Prior art keywords
treatment
semiconductor materials
semiconductor
materials
Prior art date
Application number
IT7925514A
Other languages
English (en)
Other versions
IT1123554B (it
Inventor
Sterling Henley Frank
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of IT7925514A0 publication Critical patent/IT7925514A0/it
Application granted granted Critical
Publication of IT1123554B publication Critical patent/IT1123554B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor 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
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/20—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof such devices or parts thereof comprising amorphous semiconductor materials
    • H01L31/202—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof such devices or parts thereof comprising amorphous semiconductor materials including only elements of Group IV of the Periodic System
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical 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
    • C23C16/54—Apparatus specially adapted for continuous coating
    • C23C16/545—Apparatus specially adapted for continuous coating for coating elongated substrates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/56—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B1/00—Single-crystal growth directly from the solid state
    • C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
    • C30B1/023—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing from solids with amorphous structure
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B1/00—Single-crystal growth directly from the solid state
    • C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
    • C30B1/06—Recrystallisation under a temperature gradient
    • C30B1/08—Zone recrystallisation
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/06—Silicon
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/08—Germanium
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor 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
    • H01L31/0248—Semiconductor 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
    • H01L31/036—Semiconductor 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 their crystalline structure or particular orientation of the crystalline planes
    • H01L31/0392—Semiconductor 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 their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate
    • H01L31/03921—Semiconductor 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 their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate including only elements of Group IV of the Periodic System
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor 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
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • 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
    • Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10S117/915—Separating from substrate
    • 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
    • Y10S438/00—Semiconductor device manufacturing: process
    • Y10S438/907—Continuous processing
IT25514/79A 1978-09-07 1979-09-06 Trattamento di materiali semiconduttori IT1123554B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7835942A GB2033355B (en) 1978-09-07 1978-09-07 Semiconductor processing

Publications (2)

Publication Number Publication Date
IT7925514A0 true IT7925514A0 (it) 1979-09-06
IT1123554B IT1123554B (it) 1986-04-30

Family

ID=10499510

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25514/79A IT1123554B (it) 1978-09-07 1979-09-06 Trattamento di materiali semiconduttori

Country Status (7)

Country Link
US (1) US4341588A (it)
JP (1) JPS5538095A (it)
DE (1) DE2935397A1 (it)
ES (1) ES483941A1 (it)
FR (1) FR2435515A1 (it)
GB (1) GB2033355B (it)
IT (1) IT1123554B (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029295B2 (ja) * 1979-08-16 1985-07-10 舜平 山崎 非単結晶被膜形成法
US4356861A (en) * 1980-10-06 1982-11-02 Olin Corporation Process for recrystallization of thin strip material
US4410392A (en) * 1980-10-06 1983-10-18 Olin Corporation Process for restructuring thin strip semi-conductor material
US4934446A (en) * 1980-10-06 1990-06-19 Olin Corporation Apparatus for recrystallization of thin strip material
US4542711A (en) * 1981-03-16 1985-09-24 Sovonics Solar Systems Continuous system for depositing amorphous semiconductor material
US4519339A (en) * 1981-03-16 1985-05-28 Sovonics Solar Systems Continuous amorphous solar cell production system
US4379181A (en) * 1981-03-16 1983-04-05 Energy Conversion Devices, Inc. Method for plasma deposition of amorphous materials
DE3128979C2 (de) * 1981-07-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Herstellen von für Solarzellen verwendbarem Silizium
WO1983000950A1 (en) * 1981-09-11 1983-03-17 Sato, Shigeru Method and device for producing amorphous silicon solar battery
US4517223A (en) * 1982-09-24 1985-05-14 Sovonics Solar Systems Method of making amorphous semiconductor alloys and devices using microwave energy
US4615905A (en) * 1982-09-24 1986-10-07 Sovonics Solar Systems, Inc. Method of depositing semiconductor films by free radical generation
US4745000A (en) * 1982-09-24 1988-05-17 Energy Conversion Devices, Inc. Method of fabricating electrostatic drums using microwave energy
US4504518A (en) * 1982-09-24 1985-03-12 Energy Conversion Devices, Inc. Method of making amorphous semiconductor alloys and devices using microwave energy
US4664937A (en) * 1982-09-24 1987-05-12 Energy Conversion Devices, Inc. Method of depositing semiconductor films by free radical generation
US4701343A (en) * 1982-09-24 1987-10-20 Energy Conversion Devices, Inc. Method of depositing thin films using microwave energy
AU560521B2 (en) * 1982-10-18 1987-04-09 Energy Conversion Devices Inc. Layered amorphous semiconductor alloys
US4521447A (en) * 1982-10-18 1985-06-04 Sovonics Solar Systems Method and apparatus for making layered amorphous semiconductor alloys using microwave energy
US4515107A (en) * 1982-11-12 1985-05-07 Sovonics Solar Systems Apparatus for the manufacture of photovoltaic devices
US5032461A (en) * 1983-12-19 1991-07-16 Spectrum Control, Inc. Method of making a multi-layered article
EP0154160B2 (en) * 1984-02-14 1992-10-21 Energy Conversion Devices, Inc. Method and apparatus for making electrophotographic devices
EP0151754B1 (en) * 1984-02-14 1991-12-18 Energy Conversion Devices, Inc. An improved method of making a photoconductive member
US4624862A (en) * 1984-11-05 1986-11-25 Energy Conversion Devices, Inc. Boron doped semiconductor materials and method for producing same
JPS61136220A (ja) * 1984-12-07 1986-06-24 Fuji Electric Co Ltd 微結晶シリコン膜の形成方法
US4705659A (en) * 1985-04-01 1987-11-10 Motorola, Inc. Carbon film oxidation for free-standing film formation
US4663829A (en) * 1985-10-11 1987-05-12 Energy Conversion Devices, Inc. Process and apparatus for continuous production of lightweight arrays of photovoltaic cells
US4663828A (en) * 1985-10-11 1987-05-12 Energy Conversion Devices, Inc. Process and apparatus for continuous production of lightweight arrays of photovoltaic cells
US4952446A (en) * 1986-02-10 1990-08-28 Cornell Research Foundation, Inc. Ultra-thin semiconductor membranes
US4946735A (en) * 1986-02-10 1990-08-07 Cornell Research Foundation, Inc. Ultra-thin semiconductor membranes
US4816324A (en) * 1986-05-14 1989-03-28 Atlantic Richfield Company Flexible photovoltaic device
US5268062A (en) * 1990-03-05 1993-12-07 Northrop Corporation Method and apparatus for carbon coating and boron-doped carbon coating a porous refractory substrate
US5141595A (en) * 1990-03-05 1992-08-25 Northrop Corporation Method and apparatus for carbon coating and boron-doped carbon coating
US5556791A (en) * 1995-01-03 1996-09-17 Texas Instruments Incorporated Method of making optically fused semiconductor powder for solar cells
US6136141A (en) * 1998-06-10 2000-10-24 Sky Solar L.L.C. Method and apparatus for the fabrication of lightweight semiconductor devices
DE102015122024A1 (de) * 2015-12-16 2017-06-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Herstellen eines Schichtverbundes bestehend aus einer Kunststofffolie und einer darauf abgeschiedenen Schicht

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1476976A (fr) * 1965-04-20 1967-04-14 Noranda Mines Ltd Procédé de fabrication de couches de monocristaux de sélénium orientés avec précision
US3770565A (en) * 1972-01-05 1973-11-06 Us Navy Plastic mounting of epitaxially grown iv-vi compound semiconducting films
US3914856A (en) * 1972-06-05 1975-10-28 Fang Pao Hsien Economical solar cell for producing electricity
US3993533A (en) * 1975-04-09 1976-11-23 Carnegie-Mellon University Method for making semiconductors for solar cells
US4066527A (en) * 1975-07-18 1978-01-03 Futaba Denshi Kogyo K. K. Method of producing semiconductor device
US4027053A (en) * 1975-12-19 1977-05-31 Motorola, Inc. Method of producing polycrystalline silicon ribbon
DE2638270C2 (de) * 1976-08-25 1983-01-27 Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen Verfahren zur Herstellung großflächiger, freitragender Platten aus Silicium
DE2645374A1 (de) * 1976-10-07 1978-04-13 Siemens Ag Verfahren zum herstellen von fuer halbleiterbauelemente verwendbarem polykristallinem silicium
EP0002109B1 (en) * 1977-11-15 1981-12-02 Imperial Chemical Industries Plc A method for the preparation of thin photoconductive films and of solar cells employing said thin photoconductive films

Also Published As

Publication number Publication date
FR2435515A1 (fr) 1980-04-04
IT1123554B (it) 1986-04-30
GB2033355B (en) 1982-05-06
US4341588A (en) 1982-07-27
GB2033355A (en) 1980-05-21
JPS5538095A (en) 1980-03-17
FR2435515B1 (it) 1984-12-28
DE2935397A1 (de) 1980-03-20
ES483941A1 (es) 1980-09-01

Similar Documents

Publication Publication Date Title
IT7925514A0 (it) Trattamento di materiali semiconduttori.
PL212822A1 (pl) Przyrzad polprzewodnikowy
NL7901334A (nl) Halfgeleidersubstraat.
IT7923939A0 (it) Struttura di raffreddamento di dispositivi semiconduttori.
NL177265C (nl) Lichtemitterende halfgeleidereenheid.
IT1079296B (it) Dispositivo per la lavorazione o mescolatura di materiali
IT7919611A0 (it) Preparazione di oligoimmidi.
NO803795L (no) Anordning for pumping av tofasefluider.
IT7925699A0 (it) Composizioni fotografiche di sbianca, e metodi per trattamento fotografico.
IT1162326B (it) Procedimento continuativa di miscele di materiali esplodenti
NL7902967A (nl) Elektroluminescerende halfgeleiderinrichting.
BR7906974A (pt) Transistor
DK525979A (da) Halvleder-ladnngsoverfoeringsanordning
NO794063L (no) Fremgangsmaate til behandling av utskillingsherdbare ikke-jern-materialer.
IT7921595A0 (it) Dispositivo semiconduttore.
NL7901855A (nl) Transistor.
IT1058050B (it) Procedimento per il trattamento preliminare di materiali per la sinterizzazione
IT1075062B (it) Procedimento per il trattamento di materiali di rifiuto
IT1097704B (it) Metodo di trattamento di materiali fibrosi
IT7919985A0 (it) Dispositivo semiconduttore.
IT7921833A0 (it) Epossidazione di alfa-olefine inferiori.
NO803403L (no) Anordning for behandling av virke.
IT7924514A0 (it) Dispositivo semiconduttore.
IT1091129B (it) Composizione e procedimento per il trattamento di materiali cellulosici
IT7928210A0 (it) Disposizione di semi-conduttori.