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Class 428/618 - One component Cu-based


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Subject matter in which one component of the composite is
No. of patents: 49
Last issue date: 11/25/2008


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NumberTitleIssue Date
7455915Selective application of conductive material to substrates by pick and place of compliant contact arrays
Application of a conductive material with a compliant underlayer onto selected pads of a substrate, includes forming at least one padstack, by patterning a sheet including a stack of material layers. Padstacks may include a first conductive top layer, one or more un...
11/25/2008
7223481Method of producing ultra-thin copper foil with carrier, ultra-thin copper foil with carrier produced by the same, printed circuit board, multilayer printed circuit board and chip on film circuit board
An object of the present invention is to produce an ultra-thin copper foil with a carrier which has few pinholes and small surface roughness and which has an the thickness of less than 5 μm, and to produce the method of producing the foil, and further to produce a ...
05/29/2007
7175920Copper foil for high-density ultra-fine printed wiring board
The present invention is to provide an ultra-thin copper foil with a carrier which comprises a release layer, a diffusion preventive layer and a copper electroplating layer laminated in this order, or a diffusion preventive layer, a release layer and a copper electr...
02/13/2007
7134197Plastic lead frames utilizing reel-to-reel processing
Reel-to-reel manufacturing methods and systems are disclosed herein. In general, one or more plastic parts (e.g., plastic substrate) can be transported on a carrier for manufacturing of a final product based initially on the part or substrate. A reel-to-reel mechani...
11/14/2006
7026059Copper foil for high-density ultrafine printed wiring boad
The present invention is to provide an ultra-thin copper foil with a carrier which comprises a release layer, a diffusion preventive layer and a copper electroplating layer laminated in this order, or a diffusion preventive layer, a release layer and a copper electr...
04/11/2006
7005195Metallic-based adhesion materials
A material and method for adhering at least two materials that includes the step of interposing at least one intermediate layer between the two materials and associated adhesion material. The materials to be adhered exhibit at least one characteristic dissimilarity ...
02/28/2006
6994918Selective application of conductive material to circuit boards by pick and place
A component for use in manufacturing circuit boards, such as printed circuit boards, or flex substrates is adapted for use with pick-and-place equipment to provide a first material overlay disposed over a second material base layer. Such a component may include a fi...
02/07/2006
6984456Flexible printed wiring board for chip-on flexibles
There is provided a flexible printed wiring board including an insulating layer having a high optical transmittance, a high adhesion strength and a high migration resistance, and suitable for a chip on film (hereafter referred to as COF). In a flexible printed wirin...
01/10/2006
6924043Ultra-thin copper foil with carrier, method of production of same, and printed circuit board using ultra-thin copper foil with carrier
An ultra-thin copper foil with a carrier having a peeling layer able to withstand even high temperature working in the case of using a high heat resistant resin, enabling the carrier foil and the ultra-thin copper foil to be easily peeled apart, and reduced in the n...
08/02/2005
6919137High-strength solder joint
A soldering method achieving a high-strength joint between a solder and an nickel/gold electroless plated surface is disclosed. The nickel/gold electroless plated layer is soldered using a solder including tin (Sn), silver (Ag), and copper (Cu). At a solder joint, a...
07/19/2005
6805964Protective coatings for improved tarnish resistance in metal foils
In one embodiment, the present invention relates to a composite article, comprising a metal foil having a first side and a second side; a protective film of at least one inert silane, titanate or zirconate overlying the first side of the metal foil; and a metal shee...
10/19/2004
6746785Device for setting a defined electric potential on a ferrite core of an inductive component and/or for reducing damping of the inductive component by losses induced by its magnetic field
A metal layer is bonded to the ferrite core of an inductive component. A defined electric potential is thereby set for the ferrite core of an inductive component and/or the damping of the inductive component is reduced which is caused by losses induced from its magn...
06/08/2004
6737153Circuit board and method for manufacturing the same, and electronic apparatus comprising it
A circuit board comprising a composite resin and a metal plate, the metal plate forming circuit patterns. The composite resin comprises 70-95 parts by weight of inorganic filler, and 5-30 parts by weight of a resin composition including a thermosetting resin and a h...
05/18/2004
6645606Electrical device having metal pad bonded with metal wiring and manufacturing method thereof
A substrate has a first surface and a second surface. A plurality of pads is formed on the first surfaces. Each pads has a Cu plating layer and an Au plating layer that is directly formed on the Cu plating layer. Al wiring or Au wiring is bonded with the ...
11/11/2003
6605369Surface-treated copper foil and method for producing the same
The present invention is directed to provision of a surface-treated copper foil exhibiting a maximum effect of a silane coupling agent which is adsorbed onto the copper foil and is employed in order to enhance adhesion between the copper foil and a substr...
08/12/2003
6579591Method of producing copper surfaces for improved bonding, compositions used therein and articles made therefrom
This invention relates to a method of forming a substrate with preparing a surface capable of making a cocontinuous bond comprising the steps of 1) obtaining a copper or copper alloy substrate and 2) applying an etching composition which comprises (a) an ...
06/17/2003
6537675Protective coatings for improved tarnish resistance in metal foils
In one embodiment, the present invention relates to a composite article, comprising a metal foil having a first side and a second side; a protective film of at least one inert silane, titanate or zirconate overlying the first side of the metal foil; and a...
03/25/2003
6485843Apparatus and method for mounting BGA devices
A surface-mount device attach method for attaching solder ball-grid array or solder column-grid array surface-mount devices to a printed circuit board where the conventional solder mask structure is replaced with a layer of plated nickel to prevent printe...
11/26/2002
6475629Adhesive film formed of a siloxane-modified polyamideimide resin composition, adhesive sheet and semiconductor device
Adhesive film useful for the production of semiconductor devices is produced from a siloxane-modified polyamideimide resin composition, comprising 100 parts by weight of a siloxane-modified polyamideimide resin and 1 to 200 parts by weight of a thermosett...
11/05/2002
6455177Stabilization of GMR devices
A stabilized GMR device includes a GMR stack having a first and a second edge. Stabilization means are positioned adjacent to the first and the second edge of the GMR stack for stabilizing the GMR stack. The GMR stack includes a first layer of ferromagnet...
09/24/2002
6329072Microporous copper film and electroless copper plating solution for obtaining the same
A printed circuit board comprising a metal copper film having 105 to 109 micropores per square centimeter wherein the metal copper film is prepared by dipping a plating object into an electroless copper plating solution comprising a ...
12/11/2001
6329074Copper foil for printed wiring board having excellent chemical resistance and heat resistance
This invention provides a copper foil for a printed wiring board, which comprises a copper foil, an alloy layer (A) comprising copper, zinc, tin and nickel which is formed on a surface of the copper foil, said surface to be brought into contact with a sub...
12/11/2001
6326685Low thermal expansion composite comprising bodies of negative CTE material disposed within a positive CTE matrix
A reduced CTE composite structure is made by providing a matrix material whose CTE is to be reduced, adding negative CTE bodies to the matrix material and mechanically coupling the matrix material to the negative CTE bodies as by deforming the composite s...
12/04/2001
6218030Soldered product
A soldered product having secure reliable joints, without the use of flux, is disclosed. The soldered product includes a first member having a connected portion and a second member, also having a connected portion, facing the first member. The connected p...
04/17/2001
6171714Adhesiveless flexible laminate and process for making adhesiveless flexible laminate
This invention relates to an improved adhesiveless flexible laminate, comprising: a polymer film having a plasma treated surface; a nickel tie coat layer comprising nickel or a nickel alloy adhered to said plasma treated surface; and a copper seed coat la...
01/09/2001
6153320Magnetic devices with laminated ferromagnetic structures formed with improved antiferromagnetically coupling films
A magnetic device uses laminated ferromagnetic layers containing antiferromagnetically coupled ferromagnetic films coupled together with improved antiferromagnetically coupling (AFC) films. The AFC films are formed of the binary and ternary alloys compris...
11/28/2000
6114048Functionally graded metal substrates and process for making same
The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In a preferred embodiment of the invention a functional inse...
09/05/2000
5895533Beryllium-copper bonding material
For bonding pure beryllium to a copper alloy, a beryllium-copper material comprising a single layer or multiple layers having a thickness of 0.3-3.0 mm and containing at least 50 atomic % of Cu is inserted between the pure beryllium and the copper alloy t...
04/20/1999
5627079Refunctionalized oxyfluorinated surfaces
Permanently substituted oxyfluorinated surfaces can be formed on non-fluorinated substrates having a fluorinated surface or fluorocarbon coating applied by gas phase surface fluorination or plasma deposition. The oxyfluorinated surfaces can be refunctiona...
05/06/1997
5573860Bimetal
It is an object of the present invention to provide a bimetal having a same or wider proportional temperature range than a bimetal using a 42 wt % Ni--Fe alloy as a low thermal expansion alloy, and a higher bending characteristic of a large bending coeffi...
11/12/1996
5562973Ceramic multi-layer wiring board
In a ceramic multi-layer wiring board, a surface conductor layer is made of a copper-based material and an inner conductor in the ceramic multi-layer is a non-copper metal having a melting point higher than a temperature at which the ceramic multi-layer i...
10/08/1996
5441818Electro-deposition coated member, process for producing electro-deposition coated member, and electro-deposition coating use therefor
An electro-deposition coated member comprises a substrate having thereon an electro-deposition coating film. The electro-deposition film contains a powder comprising a ceramic powder having an average particle diameter of from 0.1 to 5 μm, the particle s...
08/15/1995
5439732Ceramic multi-layer wiring board
In a ceramic multi-layer wiring board, a surface conductor layer is made of a copper-based material and an inner conductor in the ceramic multilayer is a non-copper metal having a melting point higher than a temperature at which the ceramic multilayer is ...
08/08/1995
5257733Process for thermodynamically treating a region joining two members and product thereof
This invention relates to a composition of a region joining two members treated thermodynamically by a process set forth by the present invention. In accordance with one aspect of the present invention, there is provided a region comprising a solidified b...
11/02/1993
5151308High density thermal spray coating
A high density, substantially oxide-free metal layer is deposited by spray deposition on a substrate in an atmosphere containing ambient air having an oxygen content above about 0.1% by weight. This is accomplished by directing a supersonic-velocity jet s...
09/29/1992
5145733Electro-deposition coated member
An electro-deposition coated member has a metal substrate or a non-metal substrate having been subjected to metal plating, a chemically colored film provided on said substrate, and a conductive electro-deposition coating film formed on said chemically col...
09/08/1992
4808246Composite material in rod, tube, strip, sheet or plate shape with reversible thermomechanical properties and process for its production
A composite material in rod, tube, strip, sheet or plate shape with reversible thermomechanical properties is produced by joining of at least two parts consisting of a total of at least one shape memory alloy having a two-way effect, whereby each part has...
02/28/1989
4795670Multilayer ceramic substrate with circuit patterns
A multilayer ceramic substrate with multilayered circuit patterns, the improvement in which internal conductors for wiring are formed by a Ag base conductive materials capable of being co-fired with multilayered green ceramic substrate sheets in an oxidiz...
01/03/1989
4740666Electrical discharge machining electrode
An improved electrical discharge machining electrode permitting improved cutting action to be achieved at the same level of electrical power being applied to the wire electrode. Such improvement is attributable to a particular configuration and the materi...
04/26/1988
4637962Composite material in rod, tube, strip, sheet or plate shape with reversible thermomechanical properties and process for its production
An article in rod, tube, strip, sheet or plate shape with reversible thermomechanical properties is produced by joining of at least two parts consisting of a total of at least one shape memory alloy having a two-way effect, whereby each part has a memory ...
01/20/1987
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