| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 216056000 | ETCHING TO PRODUCE POROUS OR PERFORATED ARTICLE | 17 |
| 20090212013 | METHOD FOR MANUFACTURING ELECTRODE FOIL - A method of manufacturing a electrode foil composed of a valve metal layer of a first valve metal and a metal foil of a second valve metal supporting the valve metal layer, the method includes coating fine particles of the first valve metal with a resin to form composite fine particles, forming the composite fine particles into an aerosol, jetting the aerosol to the metal foil in an atmosphere under a reduced pressure, depositing the composite fine particles onto the metal foil to form a aerosol deposition layer, and removing selectively the resin from the aerosol deposition layer to form the valve metal layer. | 08-27-2009 |
| 20090266791 | IMPLANT SURFACES AND TREATMENTS FOR WEAR REDUCTION - Methods and devices directed to surface treatment of implants are disclosed. In some instances, the surfaces are treated to have one or more characteristics that can impart low wear properties when the implant is utilized in a subject. As one example, a metallic surface of an implant can be treated to form pits in the surface, followed optionally by a smoothing step to reduce the roughness of the pitted surface. A plasma treatment can be used to form an oxide-containing layer (e.g., highly corrosion resistant and/or thick) on the surface. An acid treatment can also be used as part of a process for forming an oxide-containing layer. Other examples of method are also disclosed, along with characteristics of implant surfaces that can exhibit low wear properties. | 10-29-2009 |
| 20130068725 | METHOD OF PRODUCING POROUS GLASS - Provided is a method of producing a porous glass, including selectively etching a phase-separated glass with an acid solution, in which the method allows a processing time to be shortened and suppresses gel-like silica from remaining and being deposited in pores of a porous portion. The method of producing a porous glass includes: immersing the phase-separated glass in a bath containing an acid solution; setting an angle θ, which is formed by a surface to be porosified of the phase-separated glass and a bath liquid surface, to 10° or more to 90° or less; and irradiating the bath with an ultrasonic wave to etch the phase-separated glass, thereby obtaining the porous glass. | 03-21-2013 |
| 20080283497 | Method for producing air gaps using nanotubes - A target layer comprising at least one degradable material is deposited on a support. Nanotubes are then formed on the degradable material of the target layer before deposition of an insulating layer is performed. Degradation of the degradable material and elimination of degradation sub-products are then performed by means of the nanotubes passing through the insulating layer thus forming air gaps in the target layer. | 11-20-2008 |
| 20080277380 | PROCESSES AND APPARATUSES FOR PRODUCING POROUS MATERIALS - Processes and apparatuses for producing a porous material, such as nano-porous silicon (npSi) media suitable for storage and retrieval of elemental hydrogen. Processes of this invention generally entail applying a magnetic field to a substrate that contains charge carriers and is in contact with an etchant, and then etching the substrate with the etchant while relative movement occurs between the substrate and the magnetic field. During etching, the charge carriers move relative to the substrate and the magnetic field, and porosity forms at surfaces of the substrate contacting the etchant. | 11-13-2008 |
| 20100147800 | METHOD OF MAKING FORAMINOUS MICROSTRUCTURES - A foraminous microstructure or film that has photonic or plasmonic properties is made by forming a structure or film composed of at least two constituent materials so that the compositional ratio of the constituent materials varies in a depth direction of the structure, and then removing one of the materials from the structure. | 06-17-2010 |
| 20110108523 | Method for Fabrication of Microparticles with Colloidal Particle-Anchored Surface Structures - A method for fabrication of microparticles using a photo-polymerizable colloidal dispersant is provided. The method includes (a) preparing liquid droplets in a continuous phase from photo-polymerizable resin containing colloidal particles dispersed therein, then, allowing the colloidal particles to move toward an interface of the liquid droplets; and (b) UV exposing the liquid droplets to enable photo-polymerization thereof, so as to produce microparticles having a structure formed of colloidal particles on a surface of the microparticles. In addition, in order to improve the surface structure and characteristics, the foregoing method further includes (c) selective chemical reaction of the colloidal particles formed on the surface of the microparticles or, otherwise, removal of the colloidal particles. | 05-12-2011 |
| 20080230517 | THIN FILM SUPPORT SUBSTRATE FOR USE IN HYDROGEN PRODUCTION FILTER AND PRODUCTION METHOD OF HYDROGEN PRODUCTION FILTER - In a through hole closing process, a metal plate is attached to one surface of a conductive base member having a plurality of through holes by the use of a magnet, in a copper plating process, a copper plating layer is formed on the conductive base member and the metal plate exposed within the through holes, from the side of the conductive base member where the metal plate is not attached, thereby to fill up the through holes, in a film forming process, a Pd alloy film is formed by plating on the surface of the conductive base member after removal of the metal plate, and in a removal process, the copper plating layer is removed by selective etching, thereby to produce a hydrogen production filter that is used in a reformer a fuel cell so as to be capable of stably producing high purity hydrogen gas. | 09-25-2008 |
| 20080203055 | Method of forming one or more nanopores for aligning molecules for molecular electronics - A technique is provided for forming a molecule or an array of molecules having a defined orientation relative to the substrate or for forming a mold for deposition of a material therein. The array of molecules is formed by dispersing them in an array of small, aligned holes (nanopores), or mold, in a substrate. Typically, the material in which the nanopores are formed is insulating. The underlying substrate may be either conducting or insulating. For electronic device applications, the substrate is, in general, electrically conducting and may be exposed at the bottom of the pores so that one end of the molecule in the nanopore makes electrical contact to the substrate. A substrate such as a single-crystal silicon wafer is especially convenient because many of the process steps to form the molecular array can use techniques well developed for semiconductor device and integrated-circuit fabrication. | 08-28-2008 |
| 20110315660 | METHOD FOR RECYCLING OF SILICA WASTE AND METHOD FOR PREPARING NANOPOROUS OR SPHERICAL MATERIALS - Disclosed are a method for recycling silica waste and a method for preparing nanoporous material and other valuable silica materials. More specifically, a method for preparing a nanoporous material by recycling silica-containing waste produced from a silica etching process in the synthesis of nanoporous carbon is provided. The present disclosure allows recycling of silica waste in an effective and environment-friendly manner, reduction of consumption of chemical materials, and reduction of chemical waste. Accordingly, the present disclosure enables effective preparation of various valuable nanoporous silica and other silica materials from silica waste released for production of various nanoporous materials. | 12-29-2011 |
| 20120043299 | METHOD FOR MANUFACTURING COMPOSITE OF METAL AND RESIN - A method for manufacturing a composite of metal and resin including following steps: providing a metal piece; cleaning the metal piece in a degreasing agent solution; etching the surface of the metal piece by focused ion beam to form a pattern of nanopores; inserting the metal piece into a mold and heating the metal piece to reach a temperature in a range of 100° C. to 350° C.; and injecting molten resin material on the metal piece. The resin material is combined with the metal piece when the resin material is cool. | 02-23-2012 |
| 20120061349 | METHOD FOR CORRECTING CRITICAL DIMENSION OF PHASE SHIFT MASK AND METHOD FOR MANUFACTURING THE SAME - A method for correcting the critical dimension (CD) of a phase shift mask includes calculating an intensity slope quantifying a slope of an intensity waveform of secondary electrons emitted by scanning an electron beam spot to a hard mask pattern on a phase shift mask on a substrate, extracting a delta critical dimension (CD) value, which is equal to a CD difference between the phase shift pattern and the hard mask pattern, as a delta CD value corresponding to the intensity slope, and correcting the CD of the phase shift mask by using the extracted delta CD value. | 03-15-2012 |
| 20100051583 | METHOD FOR PREPARING POROUS MATERIAL USING NANOSTRUCTURES AND POROUS MATERIAL PREPARED BY THE SAME - Disclosed herein is a method for preparing a porous material using nanostructures. The method comprises the steps of producing nanostructures using a porous template, dispersing the nanostructures in a source or precursor material for the porous material, aligning the nanostructures in a particular direction, and removing the nanostructures by etching. According to the method, the size, shape, orientation and regularity of pores of the porous material can be easily controlled, and the preparation of the porous material is simplified, leading to a reduction in preparation costs. | 03-04-2010 |
| 20120234794 | DIE FOR MOTH-EYE, AND METHOD FOR PRODUCING DIE FOR MOTH-EYE AND MOTH-EYE STRUCTURE - A mold of an embodiment of the present invention has a surface that has a shape which is inverse of a surface shape of a moth-eye structure. This surface has a plurality of protrusions, a plurality of ridges extending between the plurality of protrusions via saddle portions, and a plurality of holes, each of which is defined by at least any three of the plurality of protrusions and ridges extending between the at least any three of the plurality of protrusions, and an average distance between centers of adjacent holes, p, and an average depth of the saddle portions, r, satisfy the relationship of 0.15≦r/p≦0.60. | 09-20-2012 |
| 20120298625 | NANOPOROUS MEMBRANE AND MANUFACTURING METHOD THEREOF - In the present invention, a nanoporous membrane having a columnar structure is manufactured through a deposition technology used in a semiconductor process, and the size of a nanopore is adjusted by etching the lower surface of the manufactured nanoporous membrane or using a seed layer and a nanobead layer so that scaling up is available at a lowered process temperature and the size of the nanopore can be easily adjusted when manufacturing the nanoporous membrane having a columnar structure. | 11-29-2012 |
| 20120273461 | COVER TAPE AND METHOD FOR MANUFACTURE - An article includes a cover tape, which includes a base film layer, tear enabling features, and an adhesive. The base film layer has opposed longitudinal edges and top and bottom surfaces. The tear enabling features are substantially parallel to the longitudinal edges and at the top and bottom surfaces. | 11-01-2012 |
| 20120085734 | Extendible Stent Apparatus - An expandable stent includes a tubular structure with an outer surface positionable adjacent to a vessel wall and an inner surface facing a lumen of a body passageway. The tubular structure further includes a plurality of expansion struts, connector struts and cells. The tubular structure has a first diameter which permits intraluminal delivery of the tubular structure into the body passageway, and a second expanded and deformed diameter which is achieved upon the application of a radially, outwardly extending force. A plurality of cavities are formed in the outer surface of the stent. | 04-12-2012 |
