| Patent application number | Description | Published |
|---|
| 20080263860 | Method for manufacturing printed circuit board having embedded component - A method for manufacturing a printed circuit board having an embedded component is disclosed. The method includes: forming at least one contact bump and at least one electrode bump on one side of a base substrate; mounting the component such that the electrode bump is in correspondence with a contact terminal of the component; stacking an insulation layer, in which an opening is formed in correspondence to the component, on the one side of the base substrate, such that the contact bump penetrates the insulation layer; filling a filler in the opening; and stacking a metal layer on the insulation layer. Using the method, the reliability of circuit connections between the component and the circuit patterns can be improved, and the manufacturing process can be reduced in embedding the component in the printed circuit board. | 10-30-2008 |
| 20080283288 | Printed circuit board using paste bump and manufacturing method thereof - A printed circuit board using paste bumps and manufacturing method thereof are disclosed. The method of manufacturing a printed circuit board using paste bumps, includes: (a) perforating a core board to form at least one via hole, (b) filling the at least one via hole by fill-plating and forming a circuit pattern on at least one surface of the core board, (c) stacking a paste bump board on at least one surface of the core board, and (d) forming an outer layer circuit on a surface of the paste bump board, a structurally stable all-layer IVH structure can be implemented due to increased strength in the BVH's of the plated core boards, the manufacture time can be reduced due to parallel processes and collective stacking, implementing micro circuits can be made easy due to the copper foils of the paste bump boards stacked on the outermost layers, the manufacture costs can be reduced as certain plating and drilling processes may be omitted, the interlayer connection area is increased between circuit patterns for improved connection reliability, and dimple coverage can be obtained. | 11-20-2008 |
| 20080310132 | Printed circuit board and manufacturing method thereof - A printed circuit board and a method of manufacturing the printed circuit board are disclosed. The method of manufacturing a printed circuit board, by forming at least one bump for interlayer conduction on a surface of a board and stacking an insulation layer on the surface of the board, can include the operations of forming at least one dam on the surface of the board that surrounds a region corresponding to the bump, forming the bump by printing conductive paste onto the region corresponding to the bump, and stacking the insulation layer onto the surface of the board. This method can be utilized to improve productivity and resolve the problem of spreading. | 12-18-2008 |
| 20080314619 | Conductive paste, printed circuit board, and manufacturing method thereof - A conductive paste, a printed circuit board using the conductive paste, and a method of manufacturing the printed circuit board are disclosed. A conductive paste that includes conductive particles, a polymer, and a polymer foam, can reduce the number of printing repetitions, to simplify the manufacturing process, decrease process times, and improve reliability. | 12-25-2008 |
| 20090013525 | Manufacturing method for printed circuit board - A manufacturing method for a printed circuit board is disclosed. The method includes: forming a first circuit pattern on a metal layer of a conductive carrier, which has the metal layer stacked on one side, pressing the conductive carrier and a first insulation layer together with the first circuit pattern facing the first insulation layer, forming a via by selectively removing the conductive carrier, and removing the metal layer. Using this method, a high-density thin package can be manufactured with increased reliability, and the productivity of the manufacturing process can also be improved. | 01-15-2009 |
| 20090017275 | Heat-releasing printed circuit board and manufacturing method thereof - A heat-releasing PCB and a method of manufacturing the PCB are disclosed. The method of manufacturing the heat-releasing printed circuit board includes: preparing a copper clad laminate, which has at least one copper layer stacked on at least one insulation layer; forming a coating layer, made from a paste having carbon nanotubes as a major constituent, on a surface of the copper layer; and forming a circuit pattern by removing portions of the coating layer and portions of the copper layer. | 01-15-2009 |
| 20090049683 | Apparatus and method for manufacturing printed circuit board - An apparatus and a method for manufacturing a printed circuit board are disclosed. The apparatus for manufacturing a printed circuit board that uses conductive bumps to interconnect layers includes: a conveyor unit, which is configured to transport a board that has the conductive bumps formed on one side; an upper roller and a lower roller, which press the board and an insulator together; an elastic coating layer, formed on a surface of the upper roller; and a cleaning device, which removes impurities from a surface of the elastic coating layer. The apparatus does not require a separate device for performing a cushioning function and a detaching function between the bumps and the rollers, and the rollers can be kept clean using a cleaning device. | 02-26-2009 |
| 20090064497 | Printed circuit board using paste bump and manufacturing method thereof - The method of manufacturing a printed circuit board using paste bumps includes perforating a core board to form at least one via hole, filling the at least one via hole by fill-plating and forming a circuit pattern on at least one surface of the core board, stacking a paste bump board on at least one surface of the core board, and forming an outer layer circuit on a surface of the paste bump board. The method provides a structurally stable all-layer IVH structure due to increased strength in the BVH's of the plated core boards and the interlayer connection area is increased between circuit patterns for improved connection reliability, and dimple coverage can be obtained. | 03-12-2009 |
| 20090107709 | Printed circuit board and manufacturing method thereof - A printed circuit board and a method of manufacturing the printed circuit board are disclosed. The printed circuit board may include: an insulation layer, a circuit pattern formed on an upper surface and a lower surface of the insulation layer, and a bump penetrating the insulation layer such that the circuit pattern is electrically connected, where an alloy layer, which is configured to increase contact between the circuit pattern and the bump, may be interposed between the bump and the circuit pattern. | 04-30-2009 |
| 20090114425 | CONDUCTIVE PASTE AND PRINTED CIRCUIT BOARD USING THE SAME - A conductive paste and a printed circuit board using the conductive paste are disclosed. The conductive paste including conductive particles and carbon nanotubes according to the invention, can improve an electrical conductivity of the conductive paste. | 05-07-2009 |
| 20090205862 | Printed circuit board and manufacturing method thereof - A printed circuit board and a method of manufacturing the printed circuit board are disclosed. The printed circuit board can include a first insulation layer, a second insulation layer stacked over the first insulation layer, a circuit pattern and a via land buried in the second insulation layer, and a via made of a conductive material penetrating the first insulation layer and integrated with the via land. The circuit pattern and via land can be buried in the insulation material, and the circuit pattern, via land, and via can be formed simultaneously as an integrated structure. Thus, the electrical reliability between the wiring pattern and the via can be increased, the heat-releasing effect of the via can be improved, and the procedure for forming the circuit patterns, via lands, and vias can be simplified, allowing greater productivity in manufacturing the substrate. | 08-20-2009 |
| 20090229875 | Printed circuit board having fine pattern and manufacturing method thereof - A printed circuit board having a fine pattern and related manufacturing method that includes providing a carrier plate; coating the carrier plate with a photosensitive material; forming a first circuit pattern on the photosensitive material; forming a first circuit layer by drying a conductive paste printed into a space between the photosensitive materials where the first circuit pattern is formed; depositing an insulation layer on the first circuit layer; processing via holes penetrating the insulation layer; coating the insulation layer with the photosensitive material and then forming a second circuit pattern in the photosensitive material; forming a second circuit layer and filling the via holes by drying the conductive paste printed into a space between the photosensitive materials, where the second circuit pattern is formed, and the via holes; and removing the carrier plate. | 09-17-2009 |
| 20090250253 | Printed circuit board and manufacturing method thereof - Disclosed are a printed circuit board and a manufacturing method thereof. The method of manufacturing a printed circuit board in accordance with an embodiment of the present invention includes: providing a first resin layer having a first pattern on one surface thereof; forming a conductive bump, which is electrically connected to the first pattern, on one surface of the first resin layer; compressing an insulation layer and the first resin layer such that the conductive bump passes through the insulation layer; laminating a second resin layer, which has a second pattern on a surface thereof facing the insulation layer, on the insulation layer; and forming an opening by etching a part of at least one of the first resin layer and the second resin layer. | 10-08-2009 |
| 20090294739 | CONDUCTIVE PASTE INCLUDING A CARBON NANOTUBE AND PRINTED CIRCUIT BOARD USING THE SAME - The invention provides a conductive paste including a carbon nanotube and a printed circuit board using the same. The invention provides the conductive paste which exhibits an excellent electrical conductivity and allows the implementation of the X-Y interconnection and simultaneously the Z-interconnection without loosing the carbon nanotube's own original characteristics. | 12-03-2009 |
| 20090321109 | PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - A printed circuit board and a method for manufacturing the printed circuit board are disclosed. The method can include; providing an insulated layer, in which a first metal layer is formed on one side of the insulated layer; forming a groove on the insulated layer; forming a metallic substance on an inner side of the groove and on another side of the insulated layer; and forming a first circuit pattern on at least one of one side of the insulated layer and the metallic substance formed on the groove by removing a portion of the first metal layer. The present invention provides the printed circuit board having a high efficiency of heat emission by disposing a heat sink in direct contact with a board and the method of manufacturing the printed circuit board. | 12-31-2009 |
| 20100022052 | Method for manufacturing package on package with cavity - A manufacturing method of a package on package with a cavity. The method can include forming a first upper substrate cavity in one side of an upper substrate; mounting an upper semiconductor chip on the other side of the upper substrate; forming a lower substrate cavity in one side of a lower substrate; mounting a lower semiconductor chip in the lower substrate cavity formed in the lower substrate; and stacking the upper substrate above the lower substrate such that the first upper substrate cavity accommodates a part of the lower semiconductor chip. The package on package and a manufacturing method thereof can reduce the overall thickness of the package by forming cavities in both upper and lower substrates to accommodate a semiconductor chip mounted in the lower substrate. | 01-28-2010 |
| 20100025092 | Core substrate and multilayer printed circuit board using paste bumps - A core substrate using paste bumps, the core substrate including a first paste bump board having a plurality of first paste bumps joined to a surface thereof; a second paste bump board having a plurality of second paste bumps facing the first paste bumps joined thereto; and an insulation element placed between the first paste bump board and the second paste bump board. In the core substrate, the first paste bumps and the second paste bumps are electrically interconnected. | 02-04-2010 |
| 20110073252 | Conductive paste and method of manufacturing printed circuit board using the same - The present invention provides a conductive paste including: a conductive powder particle including a polymer powder and a first low melting point metal and a second low melting point metal which are sequentially provided on a surface of the polymer powder and have different melting points; and a binder mixed in the conductive powder particle, and a method of manufacturing a printed circuit board using the same. | 03-31-2011 |
