Class / Patent application number | Description | Number of patent applications / Date published |
428612000 | Microscopic interfacial wave or roughness | 22 |
20090233120 | Laminate and Process for Producing the Same - A laminate comprising: an insulated substrate, an insulating resin layer having an imide bond and/or amide bond superimposed on the insulated substrate, and a metal thin film layer involving a structure having metal particles fusion bonded to each other, superimposed on the insulating resin layer, wherein the insulating resin layer sticks fast to the metal thin film layer in such a fashion that some of the fusion bonded metal particles are buried in the insulating resin layer, and wherein a metal oxide is present at a contact interface of the insulating resin layer with the metal thin film layer. | 09-17-2009 |
20090239093 | COMPOSITION FOR METAL SURFACE TREATMENT, METAL SURFACE TREATMENT METHOD AND METAL MATERIAL - A composition for metal surface treatment can form a chemical conversion coating film which achieves sufficient foundation surface concealment, coating adhesion and corrosion resistance. A method for treating the surface of a metal material with such a composition for metal surface treatment is used. Specifically a metal surface treatment composition used for a treatment of a metal surface, contains a zirconium compound and/or a titanium compound, and a polyamine compound having a number average molecular weight of not less than 150 but not more than 500,000. The polyamine compound contains not less than 0.1 millimole but not more than 17 millimoles of a primary and/or secondary amino group per 1 g of the solid content, and the content of the zirconium compound and/or titanium compound in the metal surface treatment composition is not less than 10 ppm but not more than 10,000 ppm in terms of metal elements. The mass ratio of the zirconium element and/or titanium element contained in the zirconium compound and/or titanium compound relative to the polyamine compound is not less than 0.1 but not more than 100. | 09-24-2009 |
20100279142 | GRAIN-ORIENTED ELECTRICAL STEEL SHEET EXCELLENT IN MAGNETIC PROPERTIES - The present invention enables magnetic domain control by the method of forming a magnetic coating layer of an Ni—Fe alloy comprised of Fe: 10 to 50 mass % and Ni: 90 to 50 mass % on the surface of grain-oriented electrical steel sheet having mainly {110}<001> orientation texture so that even if annealing after core formation, the iron loss improving effect will not be lost and the magnetic flux density will not be greatly reduced. | 11-04-2010 |
20100323215 | Non-Adhesive-Type Flexible Laminate and Method for Production Thereof - The present invention relates to a non-adhesive-type flexible laminate including a polyimide film with at least one surface thereof being plasma-treated, a tie-coat layer formed on the plasma-treated surface, and a metal conductor layer formed on the tie-coat layer, wherein a proportion (T/Rz) of the tie-coat layer thickness (T) to 10-point mean roughness (Rz) of the plasma-treated polyimide film surface is 2 or more. An object of the invention is not only to improve initial adhesion which is an indicator of adhesion strength of the non-adhesive-type flexible laminate (in particular, a two-layered, flexible laminate), but also to increase adhesion of the laminate after heat aging (after being allowed to stand for 168 hours at 150° C. for 168 hours in the atmosphere). | 12-23-2010 |
20110008644 | BONDED BODY OF GALVANIZED STEEL SHEET AND ADHEREND, AND MANUFACTURING METHOD THEREOF - The invention is a technique for strongly integrating a galvanized steel sheet and a resin molded article. A hot-dip galvanized steel sheet “Z18” is immersed in an aqueous solution for aluminum degreasing at 75° C. for 7 minutes, to form roughness having an RSm of 0.8 to 2.3 μm and an Rz of 0.3 to 1.0 μm on the surface. The surface is covered with convex protrusions having a diameter of about 100 nm, and a chromate treatment layer appears in the surface. In other words, three conditions suitable for bonding are satisfied thereby. A resin composition comprising 70 to 97 wt % of polyphenylene sulfide and 3 to 30 wt % of a polyolefin resin is injected onto the surface. The resin composition penetrates into ultra-fine irregularities and is cured in that state, whereby a composite in which the galvanized steel sheet and the resin molded article are strongly integrated is obtained. The shear rupture strength of the composite is extremely high, in excess of 20 MPa. | 01-13-2011 |
20110117380 | CHROME-PLATED PART AND MANUFACTURING METHOD OF THE SAME - An nickel plating layer ( | 05-19-2011 |
20110250468 | Metal Foil with Carrier - Provided is a metal foil with a carrier as a laminated body in which a carrier A and a metal foil B are placed alternately, wherein the metal foil with a carrier comprises a structure where the adjoining carrier A has an area which covers the entire surface of the metal foil B, and the edge of the carrier A protrudes partially or entirely from the metal foil B. The copper foil with a carrier is used for producing a single-sided laminated plate or a multilayer laminated plate of two or more layers or an ultrathin coreless substrate for use in a printed wiring board. In particular, this copper foil with a carrier is used for producing a laminated plate, and its objective is to improve the handling performance in the production process of a printed board and reduce costs by increasing the yield. | 10-13-2011 |
20120114965 | Laminate for HDD Suspension and Method for Manufacturing the Same - Provided are a laminate for HDD suspension capable of avoiding data loss and crosstalk caused by higher frequency and coping with reduction in size and increase in capacity of HDD and a method for manufacturing the same. The laminate for HDD suspension comprises a 10-50 μm-thick stainless steel layer, a 0.1-10 μm-thick conductor layer (a) of a metal showing an electrical conductivity of 10-100% IACS, a 5-20 μm-thick insulating layer of a polyimide resin showing a linear expansion coefficient of 1×10 | 05-10-2012 |
20130004790 | Composite of Steel and Resin and Method for Manufacturing Same - In the composite, an aluminum-plated steel sheet and a resin are securely and integrally joined together. Through chemical etching, the aluminum-plated steel sheet is caused to have a surface configuration, in which three-dimensional protrusions having shapes with a minor diameter of at least 0.3 μm and a major diameter of at least 3 μm are scattered over a plain part and a portion covered with shallow fine recesses with a diameter of 20 to 50 nm in a state of being distributed adjacent to each other on the plain part accounts for 30 to 50% of the surface area of the plain part. The surface of the three-dimensional protrusions is mainly ceramic containing silicon and the plain part is mainly ceramic containing aluminum. The resin is joined through injection molding with the aluminum-plated steel sheet having been inserted into a metallic mold. | 01-03-2013 |
20130052476 | HOUSING AND METHOD FOR MAKING SAME - A housing includes a metal substrate having an outer surface and a color layer formed on the outer surface. The outer surface has a gradient surface roughness across at least one dimension of the outer surface. The color layer has a surface appearance corresponding with the outer surface, thereby the brightness of color of the color layer gradually changing with the location on the outer surface. A method for making the housing is also provided. | 02-28-2013 |
20130189538 | METHOD OF MANUFACTURING COPPER FOIL FOR PRINTED WIRING BOARD, AND COPPER FOIL PRINTED WIRING BOARD - A method of manufacturing a copper foil for a printed wiring board, characterized in that a roughened layer of roughening copper grains is formed on at least one surface of the copper foil by using an electrolytic bath of sulfuric acid and copper sulfate, and the electrolytic bath contains tungsten ions and/or arsenic ions and further contains an alkyl sulfate-based anionic surfactant. The object of the present invention is to provide a method of manufacturing a copper foil for a printed wiring board, wherein in particular a roughened layer on the copper foil can be improved to enhance the adhesive strength between the copper foil and a resin substrate without deteriorating other properties of the copper foil. | 07-25-2013 |
20130224513 | LAMINATE CIRCUIT BOARD WITH A MULTI-LAYER CIRCUIT STRUCTURE - A laminate circuit board with a multi-layer circuit structure which includes a substrate, a first circuit metal layer, a second circuit metal layer, a first nanometer plating layer, a second nanometer plating layer and a cover layer is disclosed. The first circuit metal layer is embedded in the substrate or formed on at least one surface of the substrate which is smooth. The first nanometer plating layer with a smooth surface overlaps the first circuit metal layer. The second nanometer plating layer is formed on the other surface of the substrate and fills up the opening in the cover layer to electrically connect the first circuit metal layer. The junction adhesion is improved by the chemical bonding between the nanometer plating layer and the cover layer/the substrate. Therefore, the circuit metal layer does not need to be roughened and the density of the circuit increases. | 08-29-2013 |
20130288070 | Method for Creating Asperities in Metal for Metal-to-Metal Bonding - A first metal such as germanium is prepared for metal-to-metal bonding by depositing the first metal onto a roughened foundation layer so that asperities are present on the first metal layer substantially following the topology of the asperities on the surface of the foundation layer without having to process the surface of the first metal layer. Such asperities can break through barrier layer(s) on the surface of another metal (e.g., an oxide layer, an anti-stiction coating, and/or other barrier layer) during a bonding process so that direct metal-to-metal bonding can be accomplished without having to remove the barrier layer(s) and without having to process the surface of the first metal such as by photolithography or depositing and subsequently removing a material that partially interdiffuses with the first metal. | 10-31-2013 |
20130302635 | SURFACE-TREATED COPPER FOIL - An object of the present invention is to provide a copper foil excellent in softening resistance performance which reduces decrease in tensile strength after heat treatment at about 350° C. to 400° C. In order to achieve the object, a surface-treated copper foil provided with a rust-proofing treatment layer on both surfaces of a copper foil in which a rust-proofing treatment layer is constituted by zinc, and the either rust-proofing treatment layer is a zinc layer having zinc amount of 20 mg/m | 11-14-2013 |
20140023879 | SURFACE-TREATED STEEL SHEET AND METHOD OF MANUFACTURING THE SAME - A surface-treated steel sheet includes: a steel sheet; and a coated layer which is formed on one surface or both surfaces of the steel sheet and includes zinc and vanadium, wherein the coated layer has a vanadium content of 1% or higher and 20% or less and a coating weight of 3 g/m | 01-23-2014 |
20140147695 | ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME - An electronic part mounting substrate includes: a metal plate | 05-29-2014 |
20140186651 | PRINTED CIRCUIT BOARD HAVING COPPER PLATED LAYER WITH ROUGHNESS AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are a printed circuit board having a copper plated layer with an anchor shaped surface and roughness by forming the copper plated layer having an anisotropic crystalline orientation structure using a plating inhibitor at the time of forming the copper plated layer serving as a circuit wiring and using composite gas plasma and a dilute acid solution, and a method of manufacturing the same. | 07-03-2014 |
20140220375 | METHOD FOR FORMING A PROTECTIVE COATING WITH ENHANCED ADHESION BETWEEN LAYERS - A method for forming a protective coating on a substrate comprising, applying a bond coating to the substrate, the bond coating having a first surface roughness, ionizing an inert gas which flows into the surface of the bond coating so as to impart a second surface roughness to the bond coating greater than the first surface roughness, wherein the inert gas is ionized and caused to flow into the surface of the bond coating by a reverse polarity current supplied to an electrode which removes at least one electron from the inert gas, and applying a top coating to the bond coating. Additionally, a method for preparing a surface to receive and adhere to a coating comprising roughening the surface to create a micro-roughening network on the surface. In addition, a method of improving strain tolerance and cyclic spallation life of a protective coating. | 08-07-2014 |
20140356644 | TiAl BLADE WITH SURFACE MODIFICATION - A component for a turbomachine having at least one region made of an intermetallic material which is formed from an intermetallic compound or comprises an intermetallic phase as the largest constituent. The intermetallic material is compacted and/or modified in microstructure by microplasticization at least partially at a surface or interface in a region close to the surface or interface. | 12-04-2014 |
20150044496 | JOINTED BODY, METHOD FOR MANUFACTURING SAME AND JOINTED MEMBER - A jointed body that has been solid-phase jointed at normal temperature and that has a non-conventional structure is presented. The jointed body is formed by solid-phase joining a first jointed member to a second jointed member, and has a junction interface between the first member and the second member. This jointed body includes an average crystal grain size in a near interface structure that constitutes a near interface area having a total width of 20 micrometers and extending at both sides of the junction interface as a center is 75-100% of an average crystal grain size in an around interface structure that constitutes around interface areas located at both outer sides of the near interface area. In the jointed body, the near interface structure after the joining is almost the same as the structure before the joining, allowing the jointed body to exert similar characteristics to the jointed members. | 02-12-2015 |
20150314567 | Surface-Coated Steel Sheet and Process for the Production Thereof - A surface-coated steel sheet of stainless steel is disclosed and has a coating which is made up of at least one metallic corrosion protection layer ( | 11-05-2015 |
20160102414 | Ni-PLATED STEEL SHEET, AND METHOD FOR PRODUCING Ni-PLATED STEEL SHEET - A Ni-plated steel sheet according to the present invention includes a steel sheet, a first Ni-plated layer which is formed at least on a one-sided surface of the steel sheet and contains Ni, and a second Ni-plated layer which is formed on the first Ni-plated layer and contains Ni. An average central-line roughness Ra at an interface between the first Ni-plated layer and the second Ni-plated layer is less than 0.1 μm, an average central-line roughness Ra of a surface of the second Ni-plated layer is 0.1 μm to 100 μm, and a coating amount of Ni in the entirety of the first Ni-plated layer and the second Ni-plated layer is 20 mg/m | 04-14-2016 |