Patent application number | Description | Published |
20090035565 | BONDING LAYER ON FLUOROPOLYMERS - The invention relates to a device comprising a layer made from a fluoropolymer, of which at least part of the surface is covered with a composition comprising a polymer having at least one fluorinated function and at least one acid or base function and forming a bonding layer on said fluoropolymer, said bonding layer being fully or partly covered by another layer. | 02-05-2009 |
20090314145 | METHOD FOR ELIMINATING ENGRAVING DEFECTS FROM A METAL FILM DEPOSITED ON A FLEXIBLE CARRIER - The invention relates to a method for eliminating mask projection laser ablation engraving defects from a metal film deposited on a flexible carrier. According to the invention, the method comprises spraying onto said defects a liquid pressurized at between about 1500 PSI and about 3000 PSI. | 12-24-2009 |
20100025668 | ORGANIC TRANSISTOR AND METHOD FOR FABRICATING A DIELECTRIC LAYER OF SUCH A TRANSISTOR - The present invention relates to an organic transistor comprising a conductive element which forms a drain; a conductive element which forms a source located away from the drain; a conductive element which forms a gate having a surface which faces the drain and a surface which faces the source; a semiconducting layer which is in contact with the drain and the source; and a dielectric layer located between, firstly, the gate and, secondly, the source and the drain with the dielectric layer having a dielectric permittivity which varies depending on its thickness, | 02-04-2010 |
20110076797 | METHOD FOR PRODUCING LOCALIZED PATTERNS - A method for producing at least one pattern on a top surface of a support made from a material presenting a first thermal conductivity comprises a step of arranging of a mask made from a material presenting a second thermal conductivity and comprising at least one recess having a shape corresponding to that of the pattern, in contact with a bottom surface of the support, the ratio of the first conductivity over the second conductivity being greater than or equal to 2, or smaller than or equal to ½, throughout the duration of the method. The method further comprises a step of depositing on the top surface a solution comprising a material designed to form the pattern, and a step of evaporating the solution. | 03-31-2011 |
20120199821 | ORGANIC DUAL-GATE MEMORY AND METHOD FOR PRODUCING SAME - The organic memory device is a double-gate transistor that successively comprises a first gate electrode, a first gate dielectric, an organic semi-conductor material, a second gate dielectric and a second gate electrode. Source and drain electrodes are arranged in the organic semiconductor material and define an inter-electrode surface. A trapping area is arranged between the organic semiconductor material and one of the gate electrodes and is in electric contact with one of the gate electrodes or the organic semi-conductor material. The trapping area is at least facing the inter-electrode surface. | 08-09-2012 |
20120289045 | METHOD FOR MAKING HOLES USING A FLUID JET - The method for making a hole in a layer includes the provision of first and second adhesion areas on a surface of a support. The first area has dimensions corresponding to the dimensions of the hole. The method includes depositing a layer on the first and second adhesion areas. The material of the layer has an adhesion coefficient to the first area lower than the adhesion coefficient to the second area. The part of layer arranged above the first area is eliminated by a fluid jet. | 11-15-2012 |
20130029455 | METHOD FOR MANUFACTURING TWO ADJACENT AREAS MADE OF DIFFERENT MATERIALS - The invention relates to a method for manufacturing adjacent first and second areas of a surface, said areas consisting, respectively, of first and second materials that are different from each other. Said method involves: depositing a first liquid volume that encompasses the first area and comprises a solvent in which the first material is dispersed; depositing a second liquid volume that encompasses the second area and comprises a solvent in which the second material is dispersed; and removing the solvents. According to the invention, the solvents of the first and second volumes are immiscible, and the second volume is simultaneously or consecutively deposited with the deposition of the first volume, before the first volume reaches the second area. | 01-31-2013 |
20130112012 | DEVICE FORMING A PRESSURE SENSOR, METHOD FOR PRODUCING SUCH A SENSOR AND APPLICATION IN THE PRODUCTION OF A TOUCH SCREEN - A device forming a pressure sensor is provided. The device includes: a substrate made of electrical insulation material including a first reservoir, a second reservoir in communication with the first reservoir and of which two internal walls are each equipped with an electrode, and a flexible membrane made of an electrical insulation material, including a protuberance and secured to the substrate so as to enable movement of the protuberance between a position in which it is at a distance from a liquid filling the first reservoir and at least one second position in which it exerts a pressure on the liquid, thus discharging it at least partially from the first reservoir toward the second reservoir with mechanical contact with the two electrodes, the mechanical contact of the liquid with the electrodes establishing a resistance or capacitance between the electrodes. Application in the production of a touch screen is also provided. | 05-09-2013 |
20130256937 | POLYMER LOCALLY COMPRISING CONDUCTIVE AREAS - A method for producing a conductive area in a polymer material comprises: providing a polymer layer comprising conductive particles with a density such that the polymer layer is insulating, heating the polymer material to a temperature higher than or equal to the glass transition temperature of the polymer material, compressing a portion of the polymer layer using a stamp, in order to obtain a density of conductive particles such that the portion becomes conductive, and removing the stamp from the polymer layer. | 10-03-2013 |
20140110696 | PHOTODIODE DEVICE CONTAINING A CAPACITOR FOR CONTROLLING DARK CURRENT OR LEAKAGE CURRENT - An organic photodiode, including a first electrode forming an anode, an active layer, a second electrode, and at least one third electrode, forming a capacitance with another electrode, to trap at least part of dark current or leakage current. | 04-24-2014 |
Patent application number | Description | Published |
20100289015 | ORGANIC FIELD-EFFECT TRANSISTOR - An organic field-effect transistor includes: source and drain electrodes; a semiconductor layer made of an organic semiconductor material placed at least between said source and drain electrodes; a gate electrode suitable for creating an electric field that increases the density of mobile charge carriers in the semiconductor layer in order to create a conduction channel in this semiconductor layer between the source and drain electrodes when a voltage V | 11-18-2010 |
20110024034 | PROCESS FOR IMPROVING THE ADHESION OF A UV-CROSSLINKABLE MATERIAL TO A SUBSTRATE - The invention relates to a process for improving the adhesion of a layer made of a material that is crosslinkable by exposure to UV rays to a substrate, and also to a process for manufacturing a transistor comprising at least one step of performing such a process. | 02-03-2011 |
20120079709 | PRODUCING A DEFORMABLE SYSTEM WITH A VIEW TO DISPLACING AN OBJECT ENCLOSED IN THE LATTER - The invention relates to a method for displacing an object in a solid system involving the following steps: placing the object in a matrix which is solid at a first temperature and capable of softening due to the effect of a temperature increase; if necessary, increasing the temperature until the matrix softens; applying an external action to the object so as to move it inside the matrix; lowering the temperature until the matrix solidifies. | 04-05-2012 |
20130092921 | PROCESS FOR PRODUCING AN ORGANIC SEMICONDUCTOR LAYER CONSISTING OF A MIXTURE OF A FIRST AND A SECOND SEMICONDUCTOR - A method for manufacturing an organic semiconductor layer formed of a mixture of a first and of a second organic semiconductor materials includes the steps of: forming a porous solid volume formed of the first semiconductor material, of intercommunicating porosity and capable of receiving a second semiconductor material; depositing, at least on an external surface of the porous solid volume, a liquid including the second semiconductor material dissolved or dispersed in a solvent, the solvent being inert with respect to the first semiconductor material and having an evaporation temperature lower than the evaporation temperature of the second semiconductor material; and once the porous solid volume has been at least partially impregnated with the liquid, evaporating the solvent by heating up to a temperature higher than the evaporation temperature of said solvent and lower than the evaporation temperature of the first and of the second semiconductor materials. | 04-18-2013 |
20130122648 | REDUCTION OF THE EFFECTS OF CAP-LIKE PROJECTIONS, DUE TO LASER ABLATION OF A METAL LEVEL BY USING A NON-CROSSLINKED LIGHT OR HEAT-CROSSLINKABLE POLYMER LAYER - A laser-crosslinkable material appearing in non-crosslinked or partially crosslinked form is used to protect, during a laser etching, the electrodes of an organic transistor. | 05-16-2013 |
20130295715 | METHOD FOR ETCHING MICRO-ELECTRICAL FILMS USING A LASER BEAM - A method for etching with a laser beam having a predetermined wavelength an area of a layer of a first material, said area being deposited at the surface of at least two second materials, includes: depositing a layer of a third material on the layer of the first material, the first and the third materials having a chemical affinity on application of the laser beam greater than the chemical affinity during said application between the first material and each of said at least two second materials; and applying the laser beam to an area of a free surface of the layer of third material vertically above the area of the layer of first material with a fluence of said laser beam causing the separation of said area. | 11-07-2013 |
20140020509 | METHOD FOR PREPARING METAL PARTICLES - A method for preparing metal particles, including the steps of: depositing a metal layer on a substrate, irradiating the metal layer with a laser, a plate of a material transparent or quasi-transparent to the laser wavelength being interposed between the metal layer and the laser source. | 01-23-2014 |
20140103323 | ORGANIC COMPONENT COMPRISING ELECTRODES HAVING AN IMPROVED LAYOUT AND SHAPE - A component with organic active material including at least one first electrode and at least one second electrode, the first electrode and the second electrode being separated by a region of an active layer based on a polymer material, the region of the active layer separating the electrodes having a variable critical dimension. | 04-17-2014 |
20140110695 | ORGANIC PHOTODIODE PROVIDED WITH AN ACTIVE ZONE COMPRISING MEANS FOR PROMOTING CHARGE CARRIER COLLECTION AND CONDUCTION - A photodiode including at least one active zone located between a first electrode and a second electrode, the active zone including elongated conducting or semiconducting elements extending between the electrodes and configured to promote collection and transport of charge carriers in the active zone. | 04-24-2014 |
20140127855 | METHOD FOR THE ORIENTED CRYSTALLIZATION OF MATERIALS - Method for the oriented crystallization of materials. The present invention relates to a method useful for orienting the crystallization of a material over a surface zone of at least one face of a substrate, comprising at least the steps consisting in: i. determining, on said face, the surface over which the crystalline deposit must be formed, referred to as the zone of interest, ii. depositing, on said face and at the periphery of said zone of interest, at least one particle dedicated to forming a crystallization nucleus, iii. bringing said particle into contact with at least said material to be crystallized, iv. exposing at least said point of contact between said particle and said material to be crystallized to conditions favourable to the crystallization of said material, said method being characterized in that the surface of said particle is partly functionalized by at least one group having an affinity for said material to be crystallized, said group possessing at least one unit having a chemical nature identical or similar to at least one portion of the chemical structure of said material to be crystallized, and in that said particle is deposited in step ii. so as to expose said group opposite the face to be crystallized. | 05-08-2014 |
20140183507 | ORGANIC FIELD-EFFECT TRANSISTOR - An organic transistor including at least one lower substrate made of plastic material, two electrodes, respectively a source electrode and a drain electrode, deposited on the plastic substrate, a semiconductor layer made of an organic semiconductor material and deposited on the electrodes and the plastic substrate, a dielectric layer deposited on the semiconductor layer, and a gate electrode formed on said dielectric layer. It further includes a porous layer extending between the plastic substrate and the semiconductor layer, said porous layer extending at least between the source and drain electrodes, to decrease the dielectric constant of the surface of said plastic substrate. | 07-03-2014 |
20140183513 | FIELD-EFFECT TRANSISTOR COMPRISING A LEAKAGE-CURRENT LIMITER - A field-effect transistor including at least one lower substrate having two electrodes deposited thereon, respectively a source electrode and a drain electrode, a dielectric layer made of a dielectric material, and a gate electrode deposited on the dielectric layer. It includes an intermediate layer, made of a material comprising molecules having a dipole moment complying with specific direction criteria, deposited between the gate electrode and the dielectric layer, said intermediate layer extending at least under the entire surface area taken up by the gate electrode, the intermediate layer being made of an organic compound comprising at least one binding function for the gate electrode. | 07-03-2014 |
20140191221 | PIEZOELECTRIC PRESSURE SENSOR - A pressure sensor including a lower substrate having two electrodes partially covered with a semiconductor layer and a piezoelectric layer made of a piezoelectric material, and in contact with the semiconductor layer in such a way that semiconductor material is in contact with the piezoelectric material and with the two electrodes, deposited thereon. The electrodes are intended to be connected to a voltage source or to a device for measuring the intensity of a current generated by the displacement of the electric charges in the semiconductor layer between the electrodes, said electric charges being created when a pressure is exerted on the piezoelectric layer. | 07-10-2014 |
20150049330 | Photosensitive Tactile Sensor - A tactile sensor including a piezoresistive layer having its electric resistance varying according to mechanical stress exerted thereon, the piezoresistive layer being at least partially transparent to light; a photosensitive layer, having its electric resistance varying according to the quantity of incident light thereon, the photosensitive layer being arranged opposite the piezoresistive layer; and electric connection elements electrically connecting in parallel the piezoresistive layer and the photosensitive layer. | 02-19-2015 |
20150053895 | Photosensitive And Heat-Resistant Material, Method For Producing Same And Use Thereof - This tin-based material comprises:
| 02-26-2015 |
20150062461 | User Interface Device Having Transparent Electrodes - The invention relates to an interface device including an array of pixels and an insulating, transparent substrate, the pixels being connected to the substrate by linking elements, the contact surface between the linking elements and the pixels being strictly smaller than the surface of the pixels facing the substrate. | 03-05-2015 |