Patent application number | Description | Published |
20090186466 | SELF-MASKING DEFECT REMOVING METHOD - A method for removing defects from a semiconductor surface is disclosed. The surface of the semiconductor is first coated with a protective layer, which is later thinned to selectively reveal portions of the protruding defects. The defects are then removed by etching. Finally, also the protective layer is removed. According to the method, inadvertent thinning of the surface is prevented and removal of the defects is obtained. | 07-23-2009 |
20100159294 | COMBINED SUBGASKET AND MEMBRANE SUPPORT - A combined subgasket and membrane support for a fuel cell is provided. The combined subgasket and membrane support includes a substantially fluid impermeable feed region circumscribing a porous membrane support region. The membrane support region is integrally formed with the feed region. At least one of the membrane support region and the feed region is at least partially formed by a radiation-cured structure. A method for fabricating the subgasket and membrane support for the fuel cell is also provided. | 06-24-2010 |
20100159303 | FUEL CELL FABRICATION USING PHOTOPOLYMER BASED PROCESSES - A fuel cell component is provided, including a substrate disposed adjacent at least one radiation-cured flow field layer. The flow field layer is one of disposed between the substrate and a diffusion medium layer, and disposed on the diffusion medium layer opposite the substrate. The flow field layer has at least one of a plurality of reactant flow channels and a plurality of coolant channels for the fuel cell. The fuel cell component may be assembled as part of a repeating unit for a fuel cell stack. A method for fabricating the fuel cell component and the associated repeating unit for the fuel cell is also provided. | 06-24-2010 |
20100159398 | LAYERED RADIATION-SENSITIVE MATERIALS WITH VARYING SENSITIVITY - A method for fabricating a radiation-cured structure is provided. The method includes the steps of providing a first radiation-sensitive material and applying a second radiation-sensitive material to the first radiation-sensitive material. The first radiation-sensitive material has a first sensitivity. The second radiation-sensitive material has a second sensitivity different from the first sensitivity. At least one mask is placed between at least one radiation source and the first and second radiation-sensitive materials. The mask has a plurality of substantially radiation-transparent apertures. The first and second radiation-sensitive materials are then exposed to a plurality of radiation beams through the radiation-transparent apertures in the mask to form a first construct in the first radiation-sensitive material and a second construct in the second radiation-sensitive material. The first construct and the second construct cooperate to form the radiation-cured structure. | 06-24-2010 |
20100291465 | SEPARATOR PLATES FORMED BY PHOTOPOLYMER BASED PROCESSES - A separator plate for a fuel cell is provided, including a substrate having a radiation-cured first flow field layer disposed thereon. A method for fabricating the separator plate is also provided. The method includes the steps of providing a substrate; applying a first radiation-sensitive material to the substrate; placing a first mask between a first radiation source and the first radiation-sensitive material, the first mask having a plurality of substantially radiation-transparent apertures; and exposing the first radiation-sensitive material to a plurality of first radiation beams to form a radiation-cured first flow field layer adjacent the substrate. A fuel cell having the separator plate is also provided. | 11-18-2010 |
20100291466 | DIFFUSION MEDIA FORMED BY PHOTOPOLYMER BASED PROCESSES - A diffusion medium layer for a fuel cell, including an electrically conductive microtruss structure disposed between a pair of electrically conductive grids is provided. At least one of the microtruss structure and the grids is formed from a radiation-sensitive material. A fuel cell having the diffusion medium layer and a method for fabricating the diffusion medium layer is also provided. | 11-18-2010 |
20110195363 | LAYERED RADIATION-SENSITIVE MATERIALS WITH VARYING SENSITIVITY - A method for fabricating a radiation-cured structure is provided. The method includes the steps of providing a first radiation-sensitive material and a second radiation-sensitive material adjacent the first radiation-sensitive material. The first radiation-sensitive material has a first sensitivity. The second radiation-sensitive material has the first sensitivity and a second sensitivity different from the first sensitivity. At least one mask is placed between at least one radiation source and the first and second radiation-sensitive materials. The mask has a plurality of substantially radiation-transparent apertures. The first and second radiation-sensitive materials are then exposed to a plurality of radiation beams through the radiation-transparent apertures in the mask to form a first construct in the first radiation-sensitive material and a second construct in the second radiation-sensitive material. The first construct and the second construct cooperate to form the radiation-cured structure. | 08-11-2011 |
20110229823 | FUEL CELL FABRICATION USING PHOTOPOLYMER BASED PROCESSES - A method for fabricating a fuel cell component includes the steps of providing a mask having a plurality of radiation transparent apertures, a radiation-sensitive material having a sensitivity to the plurality of radiation beams, and a flow field layer. The radiation-sensitive material is disposed on the flow field layer. The radiation-sensitive material is then exposed to the plurality of radiation beams through the radiation transparent apertures in the mask to form a diffusion medium layer with a micro-truss structure. | 09-22-2011 |
20120244475 | METHOD TO PRODUCE A FUEL CELL FLOWFIELD WITH PHOTOPOLYMER WALLS - A method for fabricating a flowfield for a fuel cell includes the steps of: providing a substrate; providing a plurality of radiation sources configured to generate a plurality of radiation beams; disposing a radiation-sensitive material on the substrate; placing an imaging mask between the plurality of radiation sources and the radiation-sensitive material; and exposing the radiation-sensitive material to the plurality of radiation beams through a first portion of the radiation-transparent apertures and a second portion of the radiation-transparent apertures in the imaging mask to form the plurality of truss elements and the plurality of wall elements in the radiation-sensitive material, the truss elements forming a plurality of trusses configured to support an adjacent diffusion medium layer, and the wall elements defining a fluid path along a length of the substrate. | 09-27-2012 |
20120301805 | FUEL CELL FABRICATION USING PHOTOPOLYMER BASED PROCESSES - A fuel cell component is provided, including a substrate disposed adjacent at least one radiation-cured flow field layer. The flow field layer is one of disposed between the substrate and a diffusion medium layer, and disposed on the diffusion medium layer opposite the substrate. The flow field layer has at least one of a plurality of reactant flow channels and a plurality of coolant channels for the fuel cell. The fuel cell component may be assembled as part of a repeating unit for a fuel cell stack. A method for fabricating the fuel cell component and the associated repeating unit for the fuel cell is also provided. | 11-29-2012 |
20130011763 | SEPARATOR PLATES FORMED BY PHOTOPOLYMER BASED PROCESSES - A separator plate for a fuel cell is provided, including a substrate having a radiation-cured first flow field layer disposed thereon. A method for fabricating the separator plate is also provided. The method includes the steps of providing a substrate; applying a first radiation-sensitive material to the substrate; placing a first mask between a first radiation source and the first radiation-sensitive material, the first mask having a plurality of substantially radiation-transparent apertures; and exposing the first radiation-sensitive material to a plurality of first radiation beams to form a radiation-cured first flow field layer adjacent the substrate. A fuel cell having the separator plate is also provided. | 01-10-2013 |
20130202989 | COMBINED SUBGASKET AND MEMBRANE SUPPORT - A combined subgasket and membrane support for a fuel cell is provided. The combined subgasket and membrane support includes a substantially fluid impermeable feed region circumscribing a porous membrane support region. The membrane support region is integrally formed with the feed region. At least one of the membrane support region and the feed region is at least partially formed by a radiation-cured structure. A method for fabricating the subgasket and membrane support for the fuel cell is also provided. | 08-08-2013 |
20140014902 | Photodiode and Method for Making the Same - A method for manufacturing a photodiode including the steps of providing a substrate, solution depositing a quantum nanomaterial layer onto the substrate, the quantum nanomaterial layer including a number of quantum nanomaterials having a ligand coating, and applying a thin-film oxide layer over the quantum nanomaterial layer. | 01-16-2014 |
20140079912 | IR ABSORBING COATINGS COMPRISIING FLUORINATED NANOPARTICLES - The present disclosure relates to solution processed nanomaterials, and methods for their manufacture, with activity in the infrared (IR) region for a variety of commercial and defense applications, including conformal large-area IR coatings, devices and pigments that necessitate an absorption band edge in the MWIR or LWIR. | 03-20-2014 |
20150055114 | LAYERED RADIATION-SENSITIVE MATERIALS WITH VARYING SENSITIVITY - A method for fabricating a radiation-cured structure is provided. The method includes the steps of providing a first radiation-sensitive material and applying a second radiation-sensitive material to the first radiation-sensitive material. The first radiation-sensitive material has a first sensitivity. The second radiation-sensitive material has a second sensitivity different from the first sensitivity. At least one mask is placed between at least one radiation source and the first and second radiation-sensitive materials. The mask has a plurality of substantially radiation-transparent apertures. The first and second radiation-sensitive materials are then exposed to a plurality of radiation beams through the radiation-transparent apertures in the mask to form a first construct in the first radiation-sensitive material and a second construct in the second radiation-sensitive material. The first construct and the second construct cooperate to form the radiation-cured structure. | 02-26-2015 |