baber/WOPTO huggingface dataset:
Patent FR-2529603-A1 (FR)
Title: Extendable dismantleable dwelling.
IPC: E04B1/343
Filed: 1982-07-02
Abstract: This is a dwelling which can be easily dismantled and transported in which the surface area may be varied by joining other similar cells onto the base cell. The base cell is supplied, on leaving the factory, equipped with pipework for electricity, heating and sanitation which it will be easy to connect up with the installation of the base. It is easy, with the base elements, to have dwellings of any surface area by joining them together, in a line, as a rectangle, in corners, etc., by using 4 strips for example. This dwelling may serve for temporary residences, for communal equipment (changing rooms, toilet facilities, etc.) or for all commercial use. In certain cases there is no necessity for a building permit.
Patent FR-2511289-A1 (FR)
Title: Marteau perforateur a cylindre de guidage du mecanisme de percussion
Inventor: KLUEBER WILHELM
IPC: B23B31/12
Filed: 1982-08-10
Abstract: MARTEAU PERFORATEUR COMPORTANT UN TUBE DE GUIDAGE 6 TRANSMETTANT LE MOUVEMENT DE ROTATION ET UNE BOUTEROLLE 12 MONTEE DE FACON A POUVOIR COULISSER DANS LE TUBE ET TRANSMETTANT LE MOUVEMENT DE PERCUSSION. LE TUBE DE GUIDAGE 6 EST RELIE A UN PORTE-OUTIL QUI COMPORTE UNE ZONE DE GUIDAGE REGLABLE RADIALEMENT PAR DES MACHOIRES DE BLOCAGE MOBILES 14. LES MACHOIRES DE BLOCAGE 14 S'APPUIENT CONTRE UN FOURREAU CONIQUE 15 MOBILE AXIALEMENT ET PEUVENT ETRE SOLLICITEES PAR LA BOUTEROLLE 12 EN MEME TEMPS QUE L'EMBOUT D'EMMANCHEMENT 18 D'UN OUTIL. SOUS L'EFFET DU FOURREAU CONIQUE 15, LES MACHOIRES DE BLOCAGE SONT APPLIQUEES RADIALEMENT CONTRE L'EMBOUT D'EMMANCHEMENT 18 DE L'OUTIL ET ASSURENT ADDITIONNELLEMENT SON BLOCAGE. POUR OBTENIR UN MOUVEMENT CIRCULAIRE ENCORE MEILLEUR, LE TUBE DE GUIDAGE 6 ET LE CYLINDRE DE GUIDAGE 2 DE L'OUTIL DE PERCUSSION SONT AGENCES DE FACON MONOBLOC.
Patent FR-2514578-A1 (FR)
Title: Procede et appareil pour la fabrication d'un dispositif de rallonge electrique
Inventor: FUNCIK JACK F
IPC: H01B13/012
Filed: 1982-08-23
Abstract: A.PROCEDE PAR LEQUEL ON MET EN PLACE, DANS UN PREMIER POSTE 28, UN CONNECTEUR 14 POUR DES FILS A RACCORDER DANS UN SECOND POSTE 30 D'OU LES FILS 22 SONT TIRES PAR UNE FORCE APPLIQUEE SUR DES LONGUEURS COUPEES DE RALLONGE. B.CARACTERISE EN CE QUE LA DERNIERE ETAPE CONSISTE A APPLIQUER LA FORCE LONGITUDINALEMENT SUR LE FIL, DANS UNE DIRECTION S'ECARTANT DU SECOND POSTE. C.PROCEDE PERMETTANT UNE FABRICATION AUTOMATIQUE DE RALLONGES DE CABLES.
Patent FR-2532983-A1 (FR)
Title: Improved actuating device, especially for a vehicle window winder
Inventor: GIRAL HENRI
IPC: E05F15/16
Filed: 1982-09-09
Abstract: This device comprises an output element 20 which is normally turned by an electric motor geared down by means of a worm 3 and a gearwheel 4, 5. The wheel 4, 5 and the element 20 are connected by means of a helical spring 11 whose ends are bent radially inwards to interact with a finger 24. This same spring transmits the movement between a disk 30 and the output element 20 when the window winder is actuated manually.
Patent FR-2532834-A1 (FR)
Title: Domestic heating device, particularly for cooking foods
IPC: A47J27/62
Filed: 1982-09-14
Abstract: The invention relates to a device for appliances 1 for heating or for cooking. A heating resistance element connected to the socket 7 is incorporated in the bottom of the appliance 1. The assembly is leaktight and can be washed in a dishwasher. The flexible cable 9 ensures connection to a control panel 10 grouping together, for each appliance, a connection point 12, a timer 15, an energy regulator 16 and an indicator light 17. Application: energy-saving.
Patent FR-2515831-A1 (FR)
Title: Spectacles frame arms with flexible end pieces - comprising nickel-chromium alloy wire wrapped around titanium core wire
Inventor: TAKAMURA MASAYUKI
IPC: G02C5/00
Filed: 1982-10-28
Abstract: The spectacles frame arms have flexible end pieces, each consisting of a titanium base core wire around which are wrapped one or more layers of nickel-chromium alloy wire. The core wire is pref. made of a titanium base alloy contg. at least 90 wt.% titanium and one or more of aluminium, vanadium, manganese, chromium and copper. The nickel-chromium alloy pref. has the compsn. (by wt.) 90-98% Ni, 2-13% Cr, 0.1-1.5% Cu, 0.2-1.3% Be, 0.1-1.2% Co and opt. up to 1% total Al, Si and Mg. The frame arms are esp. useful for spectacles used by sportsmen, and are very light and resistant to corrosion by perspiration.
Patent FR-2536944-A1 (FR)
Title: Device for the reflow of electrolytic coatings on boards, especially printed-circuit boards
IPC: H05K3/34
Filed: 1982-11-26
Abstract: The invention relates to the techniques of applying electrolytic coatings. The device forming the subject of the invention is characterised in that the system 7 ensuring the desired direction of the flow of heat-transfer fluid 2 is constituted by a closed chamber 8 comprising inlet and outlet nozzles for the heat-transfer fluid and openings 13, for the passage of boards to be treated, made in mutually opposing walls 11, 12 of the chamber 8, transversely to the direction of the flow of heat-transfer fluid, the mechanism for transporting the said boards being placed inside the chamber 8. The invention is particularly applicable to the reflow of the electrolytic coatings on printed-circuit boards in radioelectric installations.
Patent FR-2537483-A1 (FR)
Title: Spark-erosion machining device
Inventor: MALYSHKIN VYACHESLAV KONSTANTI
IPC: B23H7/28
Filed: 1982-12-14
Abstract: The invention relates to the technique of electrical-discharge machining. The device forming the subject of the invention is of the type comprising a mechanism 1 for orbital movement of the electrode tool, in a balanced manner together with the electrode tool 2, by means of a counterweight 6 via a flexible link 3, and linked to the mechanism 7 for advancing the electrode tool into the machining zone 8 so as to be able to move along the direction of advance, and is characterised in that the flexible link 3 between the mechanism 1 for orbitally moving the electrode tool and the counterweight 6 comprises a damping element 14 eliminating the influence of the inertia of the counterweight 6 on the operation of the mechanism 7 for advancing the electrode tool when the stability of the machining is disturbed. The invention is particularly applicable to the manufacture of tooling such as forging dies of small and medium size.
Patent FR-2542522-A1 (FR)
Title: Chopped supply device providing a plurality of stabilised DC voltages
Inventor: SOULARD PATRICE
IPC: H02M3/335
Filed: 1983-03-11
Abstract: Chopped supply device capable of providing two or more stabilised supply voltages. The secondary winding(s) S2, other than the one S1 which provides the information for regulating the chopping control circuit PWM, supply combined downstream regulating and rectifying circuits CRA, wherein a thyristor 10 carries out the rectification controlled by an RC integration circuit 13, 15, 16 and with the aid of a voltage limiter produced by means of a Zener diode 14, with a delay with respect to the start of the positive half-cycle of the input voltage V12, which may vary as a function of the impedance of the load LD2 which determines the slope of the drop in the ripple voltage at the cathode of the thyristor 10. Application to the supply of electronic appliances requiring a plurality of regulated supply voltages.
Patent FR-2545506-A1 (FR)
Title: Procede de preparation des cetones correspondant aux 1,4-3,6-dianhydrohexitols par electrooxydation anodique
Inventor: FLECHE GUY
IPC: C25B3/23
Filed: 1983-05-04
Abstract: PROCEDE DE PREPARATION DES DERIVES CETONIQUES DE L'ISOMANNIDE ET DE L'ISOSORBIDE, CARACTERISE PAR LE FAIT QUE L'ON SOUMET A UNE ELECTROOXYDATION ANODIQUE UNE SOLUTION AQUEUSE D'ISOMANNIDE OU D'ISOSORBIDE COMPORTANT UN ELECTROLYTE, NOTAMMENT UN HALOGENURE ALCALIN, DE PREFERENCE UN BROMURE ET, PLUS PREFERENTIELLEMENT, DU BROMURE DE SODIUM.
Patent FR-2546867-A1 (FR)
Title: Method and device for winding a thread
Inventor: AMICEL CHARLES GUSTAVE
IPC: B65H54/00
Filed: 1983-06-03
Abstract: The invention relates to a method and a device for the twist-free winding and unwinding of a thread. Two reels 10 are held next to each other, on the same spindle, in order to wind the thread which is moved periodically from one reel to the other, and then the two reels 10 are placed side by side in order to unwind the thread. The invention applies especially to fishing reels.
Patent FR-2541670-A1 (FR)
Title: Procede d'epaississement de boues digerees
Inventor: HURLEY BRIAN JOHN
IPC: C02F11/12
Filed: 1983-07-12
Abstract: PROCEDE D'EPAISSISSEMENT DE BOUES DIGEREES, COMPRENANT L'OPERATION CONSISTANT A AMENER DES BOUES DIGEREES A EPAISSIR, CARACTERISE EN CE QU'IL CONSISTE A FAIRE ENSUITE PASSER UN GAZ A TRAVERS LES BOUES DIGEREES 4, A UNE INTENSITE COMPRISE ENTRE 0,1 ET 5 UNITES DE GAZ POUR UNE UNITE DE BOUE, EN VOLUME ET PAR HEURE.
Patent FR-2549474-A1 (FR)
Title: Nouveaux thioamides, leurs preparation et applications
Inventor: LEVESQUE GUY
IPC: B03D1/012
Filed: 1983-07-19
Abstract: NOUVEAU PROCEDE D'OBTENTION DE THIOAMIDES DONT LA PARTIE AMIDIQUE PORTE UNE DEUXIEME FONCTION. ON FAIT AGIR UNE AMINE, POSSEDANT CETTE DEUXIEME FONCTION, SUR UN ESTER MONO OU DI-THIOIQUE. SONT AINSI SYNTHETISES DES THIOAMIDES R-CS-NH(CH)Z OU Z EST -OH, -NH OU -COOH EVENTUELLEMENT A H SUBSTITUES. UNE APPLICATION CONSISTE A LES UTILISER COMME COLLECTEURS DE FLOTTATION DE MINERAIS.
Patent FR-2541603-A1 (FR)
Title: Form roller on tube bending machine
Inventor: YOGO TERUAKI
IPC: B21D7/025
Filed: 1983-08-05
Abstract: A bending fixture for round bars or tubes (W), includes a mounting frame on which the feed unit (3,4) for the tube is located. At the opposite end, the frame (1) is provided with a vertical pivot (10) on which the bending roller (9) is located. A radial arm (14) which is attached to the bending roller (9) has a clamp slide (17-19) for clamping the tube against the radial bending roller profile (9a). As the radial arm is rotated about the pivot (10), the tube is bent around the roller.
Patent FR-2535248-A1 (FR)
Title: Film feuillete composite retractable a la chaleur et procede pour le preparer
Inventor: OHYA MASAKI
IPC: B29C48/21
Filed: 1983-10-28
Abstract: FILM FEUILLETE COMPOSITE RETRACTABLE A LA CHALEUR POUVANT ETRE OBTENU SELON LA FIGURE 1 COMPRENANT UNE COUCHE INTERMEDIAIRE D'UN COPOLYMERE DE CHLORURE DE VINYLIDENE, UNE COUCHE EXTERIEURE D'UN POLYAMIDE, UNE AUTRE COUCHE EXTERIEURE D'UNE RESINE OLEFINE ET DEUX COUCHES D'ADHESIF DISPOSEES ENTRE LA COUCHE INTERMEDIAIRE ET CHACUNE DES DEUX COUCHES EXTERIEURES, LES COUCHES D'ADHESIF COMPRENANT AU MOINS UNE RESINE CHOISIE DANS LE GROUPE FORME PAR UN COPOLYMERE MODIFIE D'ETHYLENE ET D'UN CARBOXYLATE DE VINYLE D'UN ESTER ACRYLIQUE PAR UN ACIDE CARBOXYLIQUE A INSATURATION ETHYLENIQUE OU UN ANHYDRIDE D'ACIDE DE CELUI-CI ET UN MATERIAU POLYMERE OBTENU PAR MODIFICATION ULTERIEURE DU COPOLYMERE MODIFIE INDIQUE PLUS HAUT AVEC UN COMPOSE METALLIQUE, ET UN PROCEDE POUR PREPARER UN TEL FILM.
Patent FR-2554556-A1 (FR)
Title: Shield device for the rear protection of an infrared radiation emitter apparatus, tubes and shields for implementing it.
IPC: F24C1/10
Filed: 1983-11-08
Abstract: The invention relates to a cartridge heater which comprises several tubes 13 arranged side by side, for emitting infrared radiation. The reflector comprises several juxtaposed gutters 2 each one being formed by two half-gutters 5 and 6. The longitudinal gap 7 between two half-gutters 5 and 6 is masked by a shield 12 carried directly by the wall of the tube 13. The shield 12 may be fixed or removable, and made of metal or ceramic. Application: reduction in the cost of manufacture. Simplicity of maintenance.
Patent FR-2557032-A1 (FR)
Title: Elastic wheel for a rail vehicle.
Inventor: GOLUBENKO A L
IPC: B60B9/00
Filed: 1983-12-21
Abstract: The invention relates to rail transport. <??>The elastic wheel which is the subject of the invention is characterised in that the elastic element arranged between the hub 1 and the internal surface of the annular projection 5 of the rim 4 is produced in the shape of a silencer unit (silentblock) 14 mounted so as to be able to rotate with respect to at least one 5 and/or 1 of the parts which are associated with the wheel, whilst opposite the two ends of the silencer unit (silentblock) 14 there are ventilation orifices 3, 9 for the annular projection 2 of the hub 1 and for the pressure disc 8. <??>The wheel concerned can be used with the greatest success on vehicles rail intended for running on the main lines.
Patent FR-2557598-A1 (FR)
Title: Alliage monocristallin a matrice a base de nickel
Inventor: DAVIDSON JAMES HENRY
IPC: C30B33/00
Filed: 1983-12-29
Abstract: ALLIAGE MONOCRISTALLIN A HAUTE RESISTANCE AU FLUAGE A MATRICE A BASE DE NICKEL, DE DENSITE VOISINE DE 8,6, DE COMPOSITION PONDERALE SUIVANTE: CO5 A 8 - CR6,5 A 10 - MO0,5 A 2,5 - W5 A 9 - TA6 A 9 - AL4,5 A 5,8 - TI1 A 2 - NB0 A 1,5 - C, ZR, B CHACUN INFERIEUR A 100PPM - NI COMPLEMENT A 100. DE PLUS, LA SOMME PONDERALE TAMO12W EST COMPRISE ENTRE 11,5 ET 13,5, LA SOMME ATOMIQUE TIALTANB EST COMPRISE ENTRE 15,5 ET 17 , LA SOMME ATOMIQUE TA NB MO12W EST COMPRISE ENTRE 4 ET 5,5 , LA SOMME ATOMIQUE TI AL TA NB MO 12W EST COMPRISE ENTRE 17,5 ET 19 ET LA SOMME ATOMIQUE TIAL EST COMPRISE ENTRE 12,8 ET 14,5. CET ALLIAGE EST PARTICULIEREMENT ADAPTE A LA COULEE MONOCRISTALLINE D'AUBES DE TURBOMACHINES PRESENTANT UNE TENUE AMELIOREE AU FLUAGE DANS UN LARGE DOMAINE DE TEMPERATURE.
Patent FR-2557611-A1 (FR)
Title: Insulating wall section
Inventor: CHARBONNIER JEAN
IPC: E04C2/284
Filed: 1983-12-29
Abstract: The invention relates to an insulating wall section for the construction of residences. This wall section comprises two reinforcing panels 5 and 9, one 5 of which is surrounded by hollow cavities 3 and 6, and the other 9 acts as a support to layers of different insulating materials 8 and 10. Such a structure results in air-containing solid insulating wall sections which are manufactured economically.
Patent FR-2540292-A1 (FR)
Title: Accumulateur, notamment accumulateur au plomb
IPC: H01M50/541
Filed: 1984-01-31
Abstract: L'invention concerne un accumulateur, notamment accumulateur au plomb. Dans cet accumulateur constitué par un récipient 1 contenant un ensemble 2 de plaques positives 3, un ensemble 4 de plaques négatives 5 de deux bornes de raccordement 6, 7 s'étendant à l'extérieur du récipient et prévues pour les ensembles de plaques imbriquées les unes dans les autres dans le récipient 1 rempli d'un électrolyte 8, les plaques 6, 7 sont disposées sur la face inférieure du récipient. Application notamment aux batteries d'accumulateurs. (CF DESSIN DANS BOPI)
Patent FR-2559497-A1 (FR)
Title: Procede de conversion de residus petroliers lourds en hydrogene et hydrocarbures gazeux et distillables
Inventor: DESCHAMPS ANDRE
IPC: C10G47/04
Filed: 1984-02-10
Abstract: L'INVENTION CONCERNE UN PROCEDE DE CONVERSION DE RESIDUS PETROLIERS LOURDS EN HYDROGENE ET EN HYDROCARBURES GAZEUX ET DISTILLABLES, ASSOCIANT UNE ETAPE D'HYDROPYROLYSE DE RESIDU PETROLIER (A L'INTERIEUR DU TUBE3) AVEC UNE ETAPE DE VAPOGAZEIFICATION CATALYTIQUE DU COKE FORME (A L'EXTERIEUR DU TUBE3), CARACTERISE EN CE QUE L'ETAPE D'HYDROPYROLYSE EST EFFECTUEE EN PRESENCE D'UN SOLIDE SUPPORTANT UN CATALYSEUR DE GAZEIFICATION DE CARBONE CIRCULANT ENTRE LA ZONE D'HYDROPYROLYSE ET LA ZONE DE VAPOGAZEIFICATION DE COKE, CETTE VAPOGAZEIFICATION ETANT CONDUITE EN L'ABSENCE D'OXYGENE. LE RESIDU PETROLIER, L'HYDROGENE ET LA VAPEUR D'EAU SONT INTRODUITS PAR LES CONDUITES 5, 6 ET 7 RESPECTIVEMENT. LES PRODUITS SONT SOUTIRES PAR LA CONDUITE 10. DE LA CHALEUR PEUT-ETRE FOURNIE PAR LE TUBE RADIANT 4.
Patent FR-2565783-A1 (FR)
Title: New product for treating cereals and especially wheat
Inventor: GOFFIN JOSEPH GHISLAIN
IPC: A01N63/50
Filed: 1984-03-26
Abstract: This product comprises a growth regulator combined with a product for leaf absorption and is applied at the beginning of tillering stage and more precisely at the ''1 cm ear'' stage. Application to increasing the cereal yield.
Patent FR-2734411-A1 (FR)
Title: Dual polarisation network plate antenna
Inventor: CLERC FABRICE
IPC: H01Q21/24
Filed: 1984-05-02
Abstract: The antenna includes a waveguide assembly (GD1-GD4) which feeds a radiating slot network (FR). Entirely separate, but interspersed with the slot network, is a network of radiating element dipoles (DR) formed on a microstrip structure. Short circuit sections (PCC) are mounted across the waveguide. The four quadrants of the antenna are separately fed and the structure allows two orthogonal polarisation signals to be decoupled from each other.
Patent FR-2566122-A1 (FR)
Title: Method and device for in situ determination of the bearing stresses of bridges and similar works
Inventor: BONVALET CHARLES
IPC: G01L1/10
Filed: 1984-06-19
Abstract: The invention relates to a method for in situ determination of the bearing stress of a work, in particular a bridge, characterised by the combination of the following operations: a block of reinforced concrete 100 is previously constructed in the work shop, which block incorporates by way of inclusion a strain measuring apparatus 10, after the setting and drying of the concrete, the said apparatus is calibrated by applying to the block variable calibration strains, it is permanently incorporated in the construction between the carrying element P (pier) and the carried element T (platform) of a work, the said previously constructed block so that it constitutes a structural element of the work subjected to the bearing stress, data are taken from the strain measuring apparatus 10, and the bearing stress is read therefrom at the instant of measurement. Bearing and weighing blocks for implementing the method. Application to bridges, in particular to railway bridges.
Patent FR-2570297-A1 (FR)
Title: Device intended for depositing thin films of liquids onto substrates
IPC: B05B5/04
Filed: 1984-09-18
Abstract: The invention relates to a device intended for depositing thin films of liquids onto substrates. It consists of a high-voltage generator 1, a very high-speed atomiser 2, a transfer 14, which can be continuous and expendable, of parts to be treated, and an electrode 9 necessary for connecting (closing-off) the electrostatic field. The device according to the invention is intended for the application of liquid products in the form of thin films and particularly of products used in the electronics industry.
Patent FR-2552752-A1 (FR)
Title: Organic material removal
Inventor: BENDER HEINRICH
IPC: C02F1/28
Filed: 1984-10-03
Abstract: Effluents laden with organic substances are freed from the latter by adsorption on a suitable adsorber. The adsorber material is applied in the shape of filter cartridges which are replaced, when spent, by regenerated cartridges while the former are regenerated in a central station.
Patent FR-2571686-A1 (FR)
Title: Method and machine for automatic bagging of flat objects and its application to the bagging of pancakes
IPC: B65B9/06
Filed: 1984-10-11
Abstract: The invention relates to a method and to a machine for automatic bagging of flat, flexible objects which are initially folded into a quadrant shape. A first quadrant shape is taken up by a retractable tray which, by virtue of a circular stop, causes it to fall down into an identical position on a lower tray 30. After this tray 30 has rotated through 180 DEG , a second quadrant shape is placed on this lower tray 30 and is positioned head-to-tail relative to the first one. The pair of quadrant shapes is then inserted into a bag which is semi-formed from a film folded into two by means of a pin 60, the said bag then being closed in a frame 100 by heat sealing. The invention applies more particularly to the automatic bagging of pre-folded pancakes.
Patent FR-2573648-A1 (FR)
Title: Cementless railed smooth prosthesis of the upper extremity of the femur
IPC: A61F2/36
Filed: 1984-11-28
Abstract: Prosthesis having on its sides three or more rails, the said rails being deeper at the upper part of the article than at the lower part and following the lines of the anterior and posterior curves of the implant. Its width, its thickness and its length vary at the same time or separately in the direction for a perfect fit to the bone.
Patent FR-2575374-A1 (FR)
Title: Device for braking between two pieces mounted rotatably with respect to each other, and application of such a device to a case for a cosmetic product, particularly a lipstick case
Inventor: GUERET JEAN LOUIS
IPC: A45D40/06
Filed: 1984-12-28
Abstract: The device F for braking between two pieces A, B which are substantially coaxial and mounted rotatably with respect to each other comprises a casing 5 connected in rotation to a first piece A and capable of surrounding at least a part 6 of the second piece B, the said casing 5 comprising flexible friction means R driven by the said casing 5 and located against the inner surface of this casing, these friction means R being capable of being permanently in friction against the outer surface of the second piece B.
Patent WO-8600721-A1 (WO)
Title: Method for decontaminating and cleaning ocular prosthesis, particularly contact lenses, and device for implementing such method
Inventor: ARNOLD NOEL
IPC: A61L2/20
Filed: 1985-07-03
Abstract: The method is characterized in that it comprises essentially the production of ozone by ionization in a ionizing tube (7), the migration of said ozone through a filter membrane (25), and then the diffusion of said ozone into an isotonic solution for steeping the lenses during a predetermined period of time, preferably of the order of two hours.
Patent FR-2561806-A1 (FR)
Title: Elements d'espacement pour dispositif d'affichage a cristaux liquides
Inventor: TSUBAKIMOTO TSUNEO
IPC: G02F1/1339
Filed: 1985-03-25
Abstract: UN DISPOSITIF D'AFFICHAGE A CRISTAUX LIQUIDES, UTILISABLE POUR TOUTES LES APPLICATIONS COURANTES, COMPREND DEUX SUBSTRATS TRANSPARENTS 1 MUNIS CHACUN SUR LEUR FACE INTERNE D'UNE ELECTRODE TRANSPARENTE 2. DES CRISTAUX LIQUIDES 5 SONT CONTENUS DANS L'ESPACE DELIMITE PAR LES SUBSTRATS.
Patent FR-2579828-A1 (FR)
Title: Localised oxidation method for obtaining thick oxide layers
Inventor: BLANCHARD PIERRE
IPC: H01L21/033
Filed: 1985-03-29
Abstract: The present invention relates to a localised oxidation method for obtaining thick oxide layers. A polycrystalline silicon layer 10 is inserted between the dielectric layer 2 and the nitride layer 3. Zones are defined by photoengraving in which the nitride 3 and the polycrystalline silicon 10 are engraved and in which a thick oxide layer 4 is made to grow. The polycrystalline silicon layer acts as a buffer layer and protects the dielectric layer 2 against nitration.