Patents by Inventor Messaoud Bedjaoui
Messaoud Bedjaoui has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170104195Abstract: The invention relates to an electronic system comprising at least one device comprising a substrate (110) carrying at least one eiectronic component provided with at least one electrical connector (121, 122), with the system further comprising a support of said device, characterised in that the device comprises at least one passage (361, 362) according to a dimension in thickness of the device, said passage passing through the electrical connector (121, 122), and in that it comprises at least one electrically conductive pillar (471, 472) protruding on a first face of the support, with the electrically conductive pillar (471, 472) passing through the passage (361, 362) by being configured to be in electrical continuity with the electrical connector (121, 122) passed through by said passage.Type: ApplicationFiled: October 12, 2016Publication date: April 13, 2017Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Messaoud BEDJAOUI, Raphael SALOT
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Publication number: 20160375672Abstract: A method for manufacturing an electronic device including a substrate, including assembling the substrate, by a joining zone of a first face of the substrate, with a joining zone of a first face of a carrier, and disjoining the substrate relatively to the carrier. After the step of assembling, the method includes formation of a film on the substrate, the film being configured to adhere to an adhesion zone of a second face of the substrate opposite the first face of the substrate, the adhesive force between the film and the adhesion zone of the second face of the substrate being chosen greater than the joining force between the joining zone of the carrier and the joining zone of the first face of the substrate. A traction on the film has a force of traction configured to overcome the joining force without overcoming the adhesive force.Type: ApplicationFiled: June 24, 2016Publication date: December 29, 2016Applicant: Commissariat A L'Energie Atomique et aux Energies AlternativesInventors: Messaoud BEDJAOUI, Pierre GARREC, Sylvain NIZOU
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Publication number: 20160293905Abstract: An electrochemical device, such as a microbattery or an electrochromic system, including at least one stack of active layers containing lithium, said stack being arranged on a substrate and being covered by an encapsulation layer. The encapsulation layer includes at least: a barrier film presenting at least one electrically insulating surface and including at least one layer hermetic to oxidising species, said adhesive film including a juxtaposition of electrically conducting adhesive strips and of electrically insulating adhesive strips, and an adhesive film, provided with a first surface and a second surface, the first surface being in contact with the electrically insulating surface of the barrier film and the second surface covering the stack of active layers and a part of the substrate.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Applicant: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Messaoud BEDJAOUI, Sylvain POULET, Thomas SEBASTIEN
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Patent number: 9419254Abstract: A lithium microbattery comprises a stack of active layers containing lithium and a protective cover covering the stack of active layers. The protective cover is fixed to the stack of active layers by means of a layer of glue. A buffer structure comprising at least one alumina layer is arranged between the stack of active layers and the layer of glue, the buffer structure being in contact with said stack of active layers.Type: GrantFiled: July 30, 2014Date of Patent: August 16, 2016Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Messaoud Bedjaoui, Hermance Desre, Aboubakr Ennajdaoui, Sylvain Poulet
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Patent number: 9287532Abstract: An electric battery including a microbattery provided with first and second current collectors and an encapsulation device including an electrically-conductive and sealing layer formed by a matrix made of polymer material including electrically-conductive particles. First and second connection pads made of electrically-conductive material are respectively electrically connected to the first and second current collectors of the microbattery. The encapsulation device also includes an additional microbattery provided with first and second current collectors, arranged opposite to and separate from the microbattery by the sealing layer. The first and/or second current collectors of the additional microbattery are electrically connected, respectively, to the first and/or second connection pads via at least a portion of the electrically-conductive particles.Type: GrantFiled: July 5, 2012Date of Patent: March 15, 2016Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Gabriel Delepierre, Messaoud Bedjaoui
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Patent number: 9288912Abstract: The method for producing a patterned layer of first material on a surface of a substrate comprises the following successive steps: arranging a particle on the surface of the substrate; depositing a resin by spin coating on the surface of the substrate so as to form the patterned layer of first material and a hole passing through the layer of first material and opening onto the particle; the material of the particle and the resin being chosen such that the particle exerts a repulsive interaction with respect to the resin.Type: GrantFiled: July 29, 2014Date of Patent: March 15, 2016Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Thomas Sebastien, Messaoud Bedjaoui, Aboubakr Ennajdaoui
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Publication number: 20150188186Abstract: A method of vertically assembling encapsulated single microbatteries, wherein the vertical assembly contains, between the microbatteries, an electrical insulation and/or sealing layer and a metal layer, successively including: a step of stacking and attaching at least two single microbatteries, previously encapsulated, stacked on each other; and forming a metal layer, capable of ensuring the electrical coupling of each of the metal layers of each of the encapsulated single microbatteries.Type: ApplicationFiled: June 20, 2013Publication date: July 2, 2015Inventors: Messaoud Bedjaoui, Gabriel Delepierre, Sylvain Poulet
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Patent number: 8962080Abstract: The method for patterning a polymer layer arranged on a support comprises deposition of a layer made from a lithium-based polymerization inhibitor material on a first area of the support, deposition of a cationically polymerizable material on the polymerization inhibitor layer and on a second area of the support, application of polymerization treatment resulting in a non-solidified sacrificial layer in the first area and the polymer layer in the second area, and elimination of the sacrificial layer.Type: GrantFiled: September 8, 2011Date of Patent: February 24, 2015Assignee: Commissariat a l'Energie Atomique et aux Energies AlternativesInventors: Messaoud Bedjaoui, Sylvain Poulet
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Publication number: 20150037660Abstract: A lithium microbattery comprises a stack of active layers containing lithium and a protective cover covering the stack of active layers. The protective cover is fixed to the stack of active layers by means of a layer of glue. A buffer structure comprising at least one alumina layer is arranged between the stack of active layers and the layer of glue, the buffer structure being in contact with said stack of active layers.Type: ApplicationFiled: July 30, 2014Publication date: February 5, 2015Inventors: Messaoud BEDJAOUI, Hermance DESRE, Aboubakr ENNAJDAOUI, Sylvain POULET
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Publication number: 20150027769Abstract: The method for producing a patterned layer of first material on a surface of a substrate comprises the following successive steps: arranging a particle on the surface of the substrate; depositing a resin by spin coating on the surface of the substrate so as to form the patterned layer of first material and a hole passing through the layer of first material and opening onto the particle; the material of the particle and the resin being chosen such that the particle exerts a repulsive interaction with respect to the resin.Type: ApplicationFiled: July 29, 2014Publication date: January 29, 2015Inventors: Thomas SEBASTIEN, Messaoud BEDJAOUI, Aboubakr ENNAJDAOUI
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Patent number: 8911897Abstract: A lithium microbattery comprises a packaging thin layer formed by a matrix of polymer material in which metallic particles are dispersed. The packaging thin layer constitutes at least a part of the anodic current collector of the lithium microbattery. The polymer material is advantageously obtained from at least a photopolymerizable precursor material chosen from bisphenol A diglycidylether, bisphenol F butanediol diglycidil ether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine. It can also be a copolymer obtained from a homogenous mixture of at least two photopolymerizable precursor materials, respectively acrylate-base, such as diacrylate 1,6-hexanediol and methacrylate, and epoxide-base, for example chosen from bisphenol A diglycidylether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine.Type: GrantFiled: October 12, 2010Date of Patent: December 16, 2014Assignee: Commissariat a l'Energie Atomique et aux Energies AlternativesInventors: Messaoud Bedjaoui, Steve Martin, Raphaël Salot
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Publication number: 20140325832Abstract: A method for the production of a battery includes at least production, against a substrate made of a material able to form an electrode, of at least one solid electrolyte layer, production of a first electrode in contact with the electrolyte, and thinning the substrate such that at least a remaining proportion of the substrate, in contact with the solid electrolyte layer, forms a second electrode.Type: ApplicationFiled: November 23, 2012Publication date: November 6, 2014Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALTInventors: Steve Martin, Messaoud Bedjaoui, Sylvain Poulet, Jouhaiz Rouchou
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Publication number: 20140178743Abstract: An electric battery including a microbattery provided with first and second current collectors and an encapsulation device including an electrically-conductive and sealing layer formed by a matrix made of polymer material including electrically-conductive particles. First and second connection pads made of electrically-conductive material are respectively electrically connected to the first and second current collectors of the microbattery. The encapsulation device also includes an additional microbattery provided with first and second current collectors, arranged opposite to and separate from the microbattery by the sealing layer. The first and/or second current collectors of the additional microbattery are electrically connected, respectively, to the first and/or second connection pads via at least a portion of the electrically-conductive particles.Type: ApplicationFiled: July 5, 2012Publication date: June 26, 2014Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Gabriel DELEPIERRE, Messaoud BEDJAOUI
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Patent number: 8591602Abstract: A lithium microbattery formed by a stack of thin layers on a substrate which comprises two current collectors, a positive electrode, a solid electrolyte layer, a negative electrode and an encapsulating layer. The encapsulating layer is formed by a protective layer made from polymer material on which a barrier layer is arranged. The protective layer comprises a copolymer formed from a homogeneous mixture of at least two photopolymerizable precursor materials, respectively acrylate-based and epoxide-based.Type: GrantFiled: July 24, 2009Date of Patent: November 26, 2013Assignee: Commissariat a l'Energie AtomiqueInventors: Messaoud Bedjaoui, Steve Martin
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Publication number: 20120070588Abstract: The method for patterning a polymer layer arranged on a support comprises deposition of a layer made from a lithium-based polymerization inhibitor material on a first area of the support, deposition of a cationically polymerizable material on the polymerization inhibitor layer and on a second area of the support, application of polymerization treatment resulting in a non-solidified sacrificial layer in the first area and the polymer layer in the second area, and elimination of the sacrificial layer.Type: ApplicationFiled: September 8, 2011Publication date: March 22, 2012Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Messaoud BEDJAOUI, Sylvain POULET
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Publication number: 20110097625Abstract: A lithium microbattery comprises a packaging thin layer formed by a matrix of polymer material in which metallic particles are dispersed. The packaging thin layer constitutes at least a part of the anodic current collector of the lithium microbattery. The polymer material is advantageously obtained from at least a photopolymerizable precursor material chosen from bisphenol A diglycidylether, bisphenol F butanediol diglycidil ether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine. It can also be a copolymer obtained from a homogenous mixture of at least two photopolymerizable precursor materials, respectively acrylate-base, such as diacrylate 1,6-hexanediol and methacrylate, and epoxide-base, for example chosen from bisphenol A diglycidylether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine.Type: ApplicationFiled: October 12, 2010Publication date: April 28, 2011Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Messaoud BEDJAOUI, Steve MARTIN, Raphaël SALOT
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Publication number: 20100310932Abstract: The packaging device of a microbattery arranged on a flexible support comprises at least one thin layer forming a protective barrier deposited on the whole of the microbattery, and a flexible compensation cover above the barrier. The cover is made from a material, for example polymer, with a thickness tcomp and a Young's modulus Ecomp chosen such that the neutral plane of the assembly is situated at the level of the microbattery. The thickness of the cover is calculated, with an accuracy of ±30%, by the equation t comp = t sub ? in which tsub is the thickness of the support and ? the ratio of the Young's moduli of the cover and of the support.Type: ApplicationFiled: June 1, 2010Publication date: December 9, 2010Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Steve MARTIN, Messaoud BEDJAOUI, Sylvain POULET, Raphaël SALOT
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Publication number: 20100129717Abstract: The microbattery comprises a first current collector and a second current collector arranged on a substrate, and a stack comprising two electrodes separated by an electrolytic film. Each electrode is connected to a corresponding collector, one of the electrodes being a lithium-based anode. The stack is covered by a packaging comprising a metal layer. The first current collector is salient from the packaging and the second current collector is in contact with the metal layer. An alumina plug with a thickness of less than 30 nm is arranged between the first current collector and the metal layer, the electrode in contact with the first current collector being electrically insulated from the metal layer by the alumina plug.Type: ApplicationFiled: November 19, 2009Publication date: May 27, 2010Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUEInventors: Messaoud Bedjaoui, Steve Martin
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Publication number: 20100068617Abstract: A lithium microbattery formed by a stack of thin layers on a substrate which comprises two current collectors, a positive electrode, a solid electrolyte layer, a negative electrode and an encapsulating layer. The encapsulating layer is formed by a protective layer made from polymer material on which a barrier layer is arranged. The protective layer comprises a copolymer formed from a homogeneous mixture of at least two photopolymerizable precursor materials, respectively acrylate-based and epoxide-based.Type: ApplicationFiled: July 24, 2009Publication date: March 18, 2010Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUEInventors: Messaoud Bedjaoui, Steve Martin