Patent application number | Description | Published |
20080302564 | CIRCUIT ASSEMBLY INCLUDING A METAL CORE SUBSTRATE AND PROCESS FOR PREPARING THE SAME - A substrate for an electronic device package includes an electrically conductive core shaped to define a cavity for receiving an electronic device, a first insulating layer positioned on a first side of the core, and a first contact positioned adjacent to a surface within the cavity. Method of fabricating the substrates is also provided. | 12-11-2008 |
20080305626 | METHOD OF FORMING SOLID BLIND VIAS THROUGH THE DIELECTRIC COATING ON HIGH DENSITY INTERCONNECT SUBSTRATE MATERIALS - A method is provided comprising: coating an electrically conductive core with a first removable material, creating openings in the first removable material to expose portions of the electrically conductive core, plating a conductive material onto the exposed portions of the electrically conductive core, coating the conductive material with a second removable material, removing the first removable material, electrophoretically coating the electrically conductive core with a dielectric coating, and removing the second removable material. | 12-11-2008 |
20090101274 | Single or Multi-Layer Printed Circuit Board With Improved Via Design - A circuit board or each circuit board of a multi-layer circuit board includes an electrically conductive sheet coated with an insulating top layer covering one surface of the conductive sheet, an insulating bottom layer covering another surface of the conductive sheet and an insulating edge layer covering an edge of the conductive sheet. An insulating interlayer can be sandwiched between a pair of adjacent circuit boards of a multi-layer circuit board assembly. A landless through-hole or via can extend through one or more of the circuit boards for connecting electrical conductors on opposing surfaces thereof. | 04-23-2009 |
20090178838 | CIRCUIT BOARD HAVING AN ELECTRODEPOSITED COATING ON A CONDUCTIVE CORE WITHIN A VIA AND METHOD OF MAKING SAME - A process for fabricating a circuit board includes: providing a substrate including a first electrically conductive core having a first insulating coating on a first side and a second insulating coating on a second side, forming an opening in the first and second insulating coatings and the first electrically conductive core, exposing an edge of the conductive core within the opening, and electrodepositing a third insulating material on the exposed edge of the first electrically conductive core. A circuit board fabricated using the process is also provided. | 07-16-2009 |
20100012357 | Printed Circuit Board With Improved Via Design - A circuit board includes an electrically conductive sheet having an insulative coating surrounding the conductive sheet, with a surface of the insulative coating around an edge of the conductive sheet having an arcuate or rounded shape. At least one electrical conductor is conformally deposited on at least the rounded insulative coating around the edge of the conductive sheet and defined via photolithographic and metallization techniques. Each electrical conductor on the insulative coating thereon around the edge of the conductive sheet conforms to the arcuate or rounded shape of the insulative coating and, therefore, has an arcuate or rounded shape. | 01-21-2010 |
20100222493 | COMPOSITIONS AND METHODS FOR COATING FOOD CANS - A composition for coating food cans is disclosed. The composition comprises a polyester, an acrylic copolymer and a crosslinker; the polyester and acrylic copolymer have been compatibilized in some way, such as through graft copolymerization. Methods for compatibilizing acrylics and polyesters are also disclosed as are methods for coating cans using compositions comprising acrylic and polyesters. | 09-02-2010 |
20110098394 | COATING COMPOSITION COMPRISING AN ALKOXYSILANE, A POLYSILOXANE, AND A PLURALITY OF PARTICLES - The present invention is directed to a coating composition, such as a substantially clear coating composition, which comprises (1) an alkoxysilane, (2) a polysiloxane, (3) a plurality of particles, and (4) curing agent that is reactive with the polysiloxane. The coating composition of the present invention can exhibit increased physical properties, such as scratch resistance, when compared to similar coating compositions that lack the components disclosed herein. | 04-28-2011 |
20110266156 | METHOD OF FORMING SOLID BLIND VIAS THROUGH THE DIELECTRIC COATING ON HIGH DENSITY INTERCONNECT (HDI) SUBSTRATE MATERIALS - A method includes forming a first substrate by (a) applying an electrodepositable dielectric coating onto a conductive surface; (b) curing the dielectric coating; (c) depositing an adhesion layer and a seed layer onto the dielectric coating; (d) applying a layer of a first removable material to the seed layer; (e) forming openings in the first removable material to expose areas of the seed layer; (f) electroplating a first conductive material to the exposed areas of the seed layer; (g) applying a layer of a second removable material; (h) forming openings in the second removable material to expose areas of the first conductive material; (i) plating a second conductive material to the exposed areas of the first conductive material; (j) removing the first and second removable materials; (k) removing unplated portions of the seed layer; repeating steps (a) through (k) to form a second substrate; and laminating the first and second substrates together with a layer of dielectric material between the first and second substrates to form at least one interconnect between the first and second substrates. | 11-03-2011 |
20110281115 | CURABLE FILM-FORMING COMPOSITIONS CONTAINING ORTHO-HYDROXYL AROMATIC FUNCTIONAL ACRYLIC POLYMERS - The present invention is directed to curable film-forming compositions comprising a film-forming resin and a crosslinking agent. The film-forming resin contains a polymer having functional aromatic groups derived from functional aromatic acids. | 11-17-2011 |
20120031655 | Multi-Layer Circuit Assembly And Process For Preparing The Same - A process for fabricating a multi-layer circuit assembly is provided. The process includes (a) providing a substrate at least one area of which comprises a plurality of vias area(s) having a via density of 500 to 10,000 holes/square inch (75 to 1550 holes/square centimeter); (b) applying a dielectric coating onto all exposed surfaces of the substrate to form a conformal coating thereon; (c) removing the dielectric coating in a predetermined pattern to expose sections of the substrate; (d) applying a layer of metal to all surfaces to form metallized vias through and/or to the electrically conductive core; (e) applying a resist to the metal layer to form a photosensitive layer thereon; (f) imaging resist in predetermined locations; (g) developing resist to uncover selected areas of the metal layer; and (h) etching uncovered areas of metal to form an electrical circuit pattern connected by the metallized vias. | 02-09-2012 |
20140072716 | POLYEPOXIDE-POLYACID COATING COMPOSITIONS, RELATED COATING PROCESSES AND COATED SUBSTRATES - Described are film-forming compositions comprising a polyepoxide and a curing agent comprising an acid functional acrylic polymer, as well as coating systems comprising a coating deposited from such compositions and related processes and coated substrates. | 03-13-2014 |
20140072717 | POLYEPOXIDE-POLYACID COATING COMPOSITIONS, RELATED COATING PROCESSES AND COATED SUBSTRATES - Described are film-forming compositions comprising a polyepoxide and a curing agent comprising an acid functional acrylic polymer, as well as coating systems comprising a coating deposited from such compositions and related processes and coated substrates. | 03-13-2014 |