U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 427/437 - Chemical compound reducing agent utilized (i.e., electroless deposition)


Subclass of Class 427 - Coating processes
Definition: Processes which include utilizing a reducing agent which
No. of patents: 516
Last issue date: 02/07/2012


1                      
NumberTitleIssue Date
8110252Solution and process for improving the solderability of a metal surface
The invention is directed to a solution and process for improving the solderability of a metal surface. In one embodiment, the invention is a silver deposit solution comprising an acid, a source of silver ions, and an additive selected from among pyrroles, triazoles...
02/07/2012
7563487Anisotropic electrically conductive film and method of producing the same
The present invention is directed to an anisotropic conductive film and manufacturing methods thereof, in which an electrically insulative porous film made of synthetic resin is used as a base film and in which conductive parts capable of being provided with conduct...
07/21/2009
7429400Method of using ultrasonics to plate silver
A method of reducing solder mask interface attack in a process of fabricating printed circuit boards. The method comprises the steps of providing a printed circuit board with a solder mask applied thereon and treating the printed circuit board with an immersion plat...
09/30/2008
7425256Selective shield/material flow mechanism
An apparatus and method for plating a workpiece. The apparatus comprises, generally, an anode, a cathode, and a selective anode shield/material flow assembly. In use, both the anode and the cathode are immersed in a solution, and the cathode is used to support the w...
09/16/2008
7416763Process for forming metal layers
A process in which a base metal film is formed on the surface of a plastic film using a dry plating process, and a liquid containing an organic monomer is then brought in contact with the base metal film, thereby selectively forming a conductive organic polymer coat...
08/26/2008
7407689Aqueous acidic immersion plating solutions and methods for plating on aluminum and aluminum alloys
The present invention provides a non-cyanide aqueous acidic immersion plating solution having a pH of from about 3.5 to about 6.5 and comprising zinc ions, nickel ions and/or cobalt iron ions, and fluoride ions. In one embodiment the immersion plating solutions of t...
08/05/2008
7399501Gas sensor manufacturing process
A process for manufacturing a gas sensor including a detecting element having an electrode containing a precious metal formed on a surface of a solid electrolyte, comprising: a first step of applying a nuclei of a precious metal having a catalyzing action on a gas t...
07/15/2008
7384458Non-cyanide electroless gold plating solution and process for electroless gold plating
The non-cyanide electroless gold plating solution according to the invention is a non-cyanide electroless gold plating solution free from a cyanide compound, wherein bis-(3-sulfopropyl)disulfide is added, as a complexing agent for gold stabilization, to the electrol...
06/10/2008
7338686Method for producing conductive particles
The present invention provides a low-cost method for producing conductive particles in a short period of time by simplifying pretreatment in electroless plating. The method for producing conductive particles includes the steps of: introducing a solution composed mai...
03/04/2008
7332193Cobalt and nickel electroless plating in microelectronic devices
An electroless plating method and composition for depositing Co, Ni, or alloys thereof onto a metal-based substrate in manufacture of microelectronic devices, involving a source of deposition ions selected from the group consisting of Co ions and Ni ions, a reducing...
02/19/2008
7323218Synthesis of composite nanofibers for applications in lithium batteries
Methods of fabricating one-dimensional composite nanofiber on a template membrane with porous array by chemical or physical process are disclosed. The whole procedures are established under a base concept of “secondary template”. First of all, tubular first nano...
01/29/2008
7320936Plating of multi-layer structures
An insulating layer (5) and a conductive seed layer (6) are applied to a substrate (1) in a simple process. A photo resist with palladium chloride are provided in a bath for electrophoretic deposition onto the substrate. The photo resist is an i...
01/22/2008
7319265Semiconductor chip assembly with precision-formed metal pillar
A semiconductor chip assembly includes a semiconductor chip that includes a conductive pad, a conductive trace that includes a routing line and a metal pillar, a connection joint that electrically connects the routing line and the pad, and an encapsulant. The metal ...
01/15/2008
7314650Method for fabricating sputter targets
Sputter targets comprising a target backing plate and a target deposit, are manufactured using electroless and electrolytic deposition of metal and metal alloys on a surface of the target backing plate. Portions of the target backing plate other than the surface can...
01/01/2008
7309395System for forming composite polymer dielectric film
A system for depositing a composite polymer dielectric film on a substrate is disclosed, wherein the composite polymer dielectric film includes a low dielectric constant polymer layer disposed between a first silane-containing layer and a second silane-containing la...
12/18/2007
7301190Structures and methods to enhance copper metallization
Disclosed structures and methods inhibit atomic migration and related capacitive-resistive effects between a metallization layer and an insulator layer in a semiconductor structure. One exemplary structure includes an inhibiting layer between an insulator and a meta...
11/27/2007
7294565Method of fabricating a wire bond pad with Ni/Au metallization
A method for sealing an exposed surface of a wire bond pad with a material that is capable of preventing a possible chemical attack during electroless deposition of Ni/Au pad metallurgy is provided. Specifically, the present invention provides a method whereby a TiN...
11/13/2007
7288177Selective shield/material flow mechanism
An apparatus and method for plating a workpiece. The apparatus comprises, generally, an anode, a cathode, and a selective anode shield/material flow assembly. In use, both the anode and the cathode are immersed in a solution, and the cathode is used to support the w...
10/30/2007
7285492Method for processing substrate
A substrate processing method can securely form a metal film by electroless plating on an exposed surface of a base metal, such as interconnects, with increased throughput and without the formation of voids in the base metal. The substrate processing method includes...
10/23/2007
7285196Methods and apparatus for making integrated-circuit wiring from copper, silver, gold, and other metals
In recent years, copper wiring has emerged as a promising substitute for the aluminum wiring in integrated circuits, because copper offers lower electrical resistance and better reliability at smaller dimensions than aluminum. However, use of copper typically requir...
10/23/2007
7279423Forming a copper diffusion barrier
Noble metal may be used as a non-oxidizing diffusion barrier to prevent diffusion from copper lines. A diffusion barrier may be formed of a noble metal formed over an adhesion promoting layer or by a noble metal cap over an oxidizable diffusion barrier. The copper l...
10/09/2007
7268421Semiconductor chip assembly with welded metal pillar that includes enlarged ball bond
A semiconductor chip assembly includes a semiconductor chip that includes a conductive pad, a conductive trace that includes a routing line and a metal pillar, a connection joint that electrically connects the routing line and the pad, and an encapsulant. The chip a...
09/11/2007
7264991Method of connecting a conductive trace to a semiconductor chip using conductive adhesive
A method of connecting a conductive trace to a semiconductor chip includes providing a semiconductor chip that includes a conductive pad, providing a conductive trace, then disposing a conductive adhesive between the conductive trace and the chip, thereby mechanical...
09/04/2007
7262082Method of making a three-dimensional stacked semiconductor package with a metal pillar and a conductive interconnect in an encapsulant aperture
A method of making a three-dimensional stacked semiconductor package includes providing a first semiconductor chip assembly that includes a first chip, a first conductive trace and a first encapsulant, wherein the first conductive trace includes a first metal pillar...
08/28/2007
7262505Selective electroless-plated copper metallization
Structures and methods are provided which include a selective electroless copper metallization. The present invention includes a novel methodology for forming copper vias on a substrate, including depositing a thin film seed layer of Palladium (Pd) or Copper (Cu) on...
08/28/2007
7262130Methods for making integrated-circuit wiring from copper, silver, gold, and other metals
Integrated circuits, the key components in thousands of electronic and computer products, include interconnected networks of electrical components. The components are typically wired, or interconnected, together with aluminum wires. In recent years, researchers have...
08/28/2007
7253521Methods for making integrated-circuit wiring from copper, silver, gold, and other metals
Integrated circuits include networks of electrical components that are typically wired, or interconnected, together with aluminum wires. In recent years, researchers have begun using copper in combination with diffusion barriers, rather than aluminum, to form the wi...
08/07/2007
7253106Manufacturable CoWP metal cap process for copper interconnects
A method to electrolessly plate a CoWP alloy on copper in a reproducible manner that is effective for a manufacturable process. In the method, a seed layer of palladium (Pd) is deposited on the copper by an aqueous seeding solution of palladium acetate, acetic acid ...
08/07/2007
7244082Method and arrangement for processing thin sheets and thin-walled plates or shells that are curved singly or doubly
The invention relates to a method for machining thin sheets and thin-walled, single or two-fold curved, three-dimensionally shaped sheets, plates, or shells, in particular, by material-removing machining methods, such as milling and drilling. In the method, a vacuum...
07/17/2007
7241345Cylinder for thermal processing chamber
The cylinder includes a core and a coating covering most of the core. The core is made from a heat-resistant or insulating material. The core has inner and outer side walls and opposing first and second ends. The outer side wall is further away from a central longit...
07/10/2007
7238472Non-alloying core shell nanoparticles
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The invention also relates to met...
07/03/2007
7235483Method of electroless deposition of thin metal and dielectric films with temperature controlled stages of film growth
The method of the invention comprises accumulating experimental data or obtaining existing data with regard to the optimal time-temperature relationship of the deposition process on various film-formation stages for various materials, forming nuclei of a selected ma...
06/26/2007
7232707Method of making a semiconductor chip assembly with an interlocked contact terminal
A method of making a semiconductor chip assembly includes providing a metal base, a routing line and a pillar etch mask that extends into a trench, mechanically attaching a semiconductor chip to the routing line, forming a connection joint that electrically connects...
06/19/2007
7232706Method of making a semiconductor chip assembly with a precision-formed metal pillar
A method of making a semiconductor chip assembly includes providing a metal base, a routing line and a pillar etch mask that extends into a trench, mechanically attaching a semiconductor chip to the routing line, forming a connection joint that electrically connects...
06/19/2007
7220665H plasma treatment
Electronic devices are constructed by a method that includes forming a first conductive layer in an opening in a multilayer dielectric structure supported by a substrate, forming a core conductive layer on the first conductive layer, subjecting the core conductive l...
05/22/2007
7220296Electroless plating baths for high aspect features
An electroless plating bath for filling high aspect ratio features with copper metal comprises water, a water soluble copper containing compound having an initial concentration of 0.5 to 50 g/L, a catalyst reducing agent having an initial concentration of 0.02 to 1....
05/22/2007
7204871Metal plating process
A process for forming a coating on a metal substrate includes contacting the substrate with a molybdate solution having a pH of between 3.5 and 5 inclusive containing an acid with the proviso that the acid is not nitric acid. The substrate is contacted with the solu...
04/17/2007
7202579Corrosion protective coating for extending the lifetime of water cooled stator bar clips
A water-cooled stator bar clip for electrical generators and a method for applying a corrosion-resistant protective coating, preferably Sc, Ti, Cr, Zr, Nb, Mo, Hf, Ta, W, Ni, and Al, and their alloys or oxides to existing stator bar end fittings in order to signific...
04/10/2007
7198867Electrochemical generation, storage and reaction of hydrogen and oxygen
An electrolytic apparatus for using catalyst-coated hollow microspheres to produce gases, store them, and to make them available for later use. The apparatus uses catalyst-coated hollow microspheres in reversible electrochemical processes and reactions, such as thos...
04/03/2007
7190080Semiconductor chip assembly with embedded metal pillar
A semiconductor chip assembly includes a semiconductor chip that includes a conductive pad, a conductive trace that includes a routing line and a pillar, a connection joint that electrically connects the routing line and the pad, and an encapsulant. The routing line...
03/13/2007
1                      
 
Sign InRegister
Username  
Password   
forgot password?