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| Number | Title | Issue Date |
| 7925999 | Method of modifying vias connection of printed circuit boards A design method of printed circuit boards includes the following steps. First, simulate a printed circuit board including power layers, and vias connected to all the power layers. Then, change connections of the vias that tend to draw too much current to be connecte... | 04/12/2011 |
| 7886249 | Printed circuit board design support apparatus, method, and recording medium storing program therefor Printed circuit board (PCB) design support apparatus and method are provided. The target element disposed on a front surface of the printed circuit board is mirror-copied, and then the straight line distance between the mirror copied element and a back element dispo... | 02/08/2011 |
| 7882478 | Spacers for reducing crosstalk and maintaining clearances In one aspect of the invention is a method for reducing crosstalk and maintaining clearances between traces on a printed circuit board design. Crosstalk caused by placing traces a virtual printed circuit board are reduced by placing artificial obstructs, called spac... | 02/01/2011 |
| 7877720 | Method and tool for designing electronic circuits on a printed circuit board The invention relates to a design method and tool for designing electronic circuits on a printed circuit board (10), wherein at least one self-contained, pre-composed domain is used, wherein the domain (110, 120, 130, 140, 150, 150, 160) is a module ch... | 01/25/2011 |
| 7873932 | Method for analyzing component mounting board A method for analyzing a component mounting board comprising a step (A) for forming a multilayer substrate shell model of a multilayer wiring board, a step (B) for forming a multilayer component shell model divided by element division lines based on the bonding posi... | 01/18/2011 |
| 7873933 | Computer program for balancing power plane pin currents in a printed wiring board A computer program for balancing power plane pin currents in a printed wiring board (PWB) provides for reduction in pin counts required for power plane (including ground plane) connections and/or reduction in requirements for connector current handling per pin. One ... | 01/18/2011 |
| 7831950 | Method and system for designing printed circuit board for electronic circuit Disclosed is a method including a step for selecting a component, a step for preparing a timing database including terminal information, input/output attribute and AC specifications of the component selected, a step for creating a circuit diagram from circuit design... | 11/09/2010 |
| 7831949 | Method of designing semiconductor integrated circuit, designing apparatus, semiconductor integrated circuit system, semiconductor integrated circuit mounting substrate, package and semiconductor integrated circuit To provide a method of designing a semiconductor integrated circuit with a high workability also in an increase in a scale of an LSI and an enhancement in an integration and designing a semiconductor integrated circuit system in which an unnecessary radiation is red... | 11/09/2010 |
| 7827515 | Package designs for fully functional and partially functional chips A method including obtaining an operational status of a first processor core, where the first processor core is associated with a plurality of processor cores located on a chip; configuring a first IO block of a package design based on the operational status of the ... | 11/02/2010 |
| 7797663 | Conductive dome probes for measuring system level multi-GHZ signals Methods and apparatus for accessing a high speed signal routed on a conductive trace on an internal layer of a printed circuit board (PCB) using high density interconnect (HDI technology) are provided. The conductive trace may be coupled to a microvia (μVia) having... | 09/14/2010 |
| 7788622 | Distributed autorouting of conductive paths A server computer maintains a master database for a PCB design, and a copy of the PCB design is provided to multiple client computers. The server assigns each client a different pair of pins for which a connection must be routed. When a client completes an assigned ... | 08/31/2010 |
| 7752591 | Board layout check apparatus and board layout check method for guard wiring There is provided a board layout check apparatus for checking whether or not a guard wiring is appropriately formed, wherein a place which must be corrected is clearly displayed. The board layout check apparatus includes a printed board obtained by forming a ... | 07/06/2010 |
| 7730443 | System and method for checking a length of a wire path between a capacitor and a via of a PCB design A method for checking a length of a wire path between a capacitor and a via of the PCB design obtains length criteria and information on capacitors from a database, selects one or more capacitors and pins of the selected capacitors from the obtained information on c... | 06/01/2010 |
| 7725865 | Method, storage media storing program, and component for avoiding increase in delay time in semiconductor circuit having plural wiring layers A method for a computer setting up a terminal layer of a semiconductor circuit having plural wiring layers including obtaining various kinds of information such as placement information relating to a plurality of cells or macros of the semiconductor circuit and bein... | 05/25/2010 |
| 7725866 | Electronic package evaluation apparatus, electronic package optimizing apparatus, and computer-readable recording medium in which electronic package evaluation program is recorded When reliability evaluation of the whole electronic package is performed, the time required for simulation is decreased, while solder connection parts, in particular, are accurately analyzed. The whole analysis model creating unit creates a solder connection part mo... | 05/25/2010 |
| 7703064 | Multilayered circuit board design support method, program, and apparatus for suppressing thermal diffusion from solid-layer conductor to through hole A multilayered board data input unit inputs design data of a multilayered circuit board provided with through holes penetrating and mutually connecting solid-layer conductors disposed in a multilayer manner. A limitation rule setting unit sets a limitation rule for ... | 04/20/2010 |
| 7669162 | Integrated power supply system analyzing system, integrated power supply system analyzing method, and multiplayer printed circuit board Information related to a structure of a multilayer printed circuit board, a physical constant and a mesh is input (Step S701) to generate an equivalent circuit model of the multilayer printed circuit board (Step S702). A transfer matrix is generated wi... | 02/23/2010 |
| 7665057 | Method for calculating optimal length of trace between adjoining bends and computer accessible storage media A method for calculating optimal length of trace between adjoining bends is disclosed. First, a rising time Tr of signal of a trace is defined, and a unit transmitting delay TD of the trace and a transmitting delay Td3 of bend in the trace are ... | 02/16/2010 |
| 7640525 | Assisting printed board design process An apparatus, method, system, computer program and product, each capable of assisting a printed board design process. A predetermined combination including information regarding at least two of a board material, board sheet, and a printed circuit board is prepared b... | 12/29/2009 |
| 7603645 | Calibration method of insulating washer in circuit board A calibration method of insulating washer in a circuit board is provided, which includes steps of (a) establishing an equivalent circuit model corresponding to a metal via; (b) depicting an electric characteristic curve corresponding to the model; (c) calculating a ... | 10/13/2009 |
| 7594215 | Method and system for optimized automated IC package pin routing An automated method and system is disclosed to determine an Integrated Circuit (IC) package interconnect routing using a mathematical topological solution. A global topological routing solution is determined to provide an IC package routing solution. The global topo... | 09/22/2009 |
| 7590963 | Integrating multiple electronic design applications Multiple printed circuit board (PCB) application programs simultaneously execute on a computer. Each application stores data regarding a PCB design in a separate database. The databases are based on compatible data models such that each application is able to receiv... | 09/15/2009 |
| 7562331 | Netlist synthesis and automatic generation of PC board schematics A computer implemented method and system for automatically generating a net list for a printed circuit board are described. Selection of one or more pins on a first and second component to be connected is based on one or more of a logical definition, an electrical d... | 07/14/2009 |
| 7546571 | Distributed electronic design automation environment PCB Logical design data is stored in a database according to a connectivity-based data model. Circuit functional blocks, inputs and outputs of functional blocks, and signals are stored as separate data structures. Those structures may be edited by users at separate ... | 06/09/2009 |
| 7546570 | Communications bus for a parallel processing system A communications bus enables communication of data signals in a parallel processing system having a plurality of substantially identical cells, each cell having an access point for transmitting data signals into the communications bus. The communications bus include... | 06/09/2009 |
| 7543264 | High frequency signal transmission line having ground line blocks to reduce noise A high frequency signal transmission line having reduced noise. Particularly, a signal transmission line of the current invention has reduced radiation noise and reflection noise, because a conventional ground guard fence line disposed between signal lines is separa... | 06/02/2009 |
| 7533361 | System and process for manufacturing custom electronics by combining traditional electronics with printable electronics A system and process for manufacturing custom printed circuit boards on pre-provided substrates, wherein the substrate is pre-provided with standard integrated circuits. The standard integrated circuits are pre-provided on the substrate in a conventional manner, suc... | 05/12/2009 |
| 7530043 | Printed circuit board able to suppress simultaneous switching noise A printed circuit board includes a first layer including a first power portion and a first ground portion isolated from each other, and a second layer including a second power portion and a second ground portion isolated from each other. The second layer is spaced f... | 05/05/2009 |
| 7519937 | Circuit diagram processing system and method A data processing system and method is proposed. The data processing system is connected with a component library and an original design database. The component library includes component data including part numbers and attributes of components while the original de... | 04/14/2009 |
| 7519936 | Unallocatable space depicting system and method for a component on a printed circuit board An unallocatable space depicting system is provided for depicting an unallocatable space for a component. The component forms a component shape on a printed circuit board layout. The unallocatable space depicting system includes a detecting module, a comparison modu... | 04/14/2009 |
| 7472368 | Method for implementing vertically coupled noise control through a mesh plane in an electronic package design A method is provided for implementing vertically coupled noise control through a mesh plane in an electronic package design. Electronic package physical design data are received. Instances of vertically coupled noise in the electronic package physical design data ar... | 12/30/2008 |
| 7458055 | Apparatus, system, method, and program for facilitating the design of electronic assemblies An apparatus, system, method, and program for facilitating the design of electronic assemblies include transmitting a user interface application to a user over a publicly-accessible global network. The user interface application is updated in response to electronic ... | 11/25/2008 |
| 7448016 | Pad layouts of a printed circuit board A pad layout of a printed circuit board includes a first and a second pad symmetrically arranged on the PCB for cooperatively receiving either a first surface mounted component (SMC) or a second surface mounted component (SMC). Each of the SMCs includes a first foot... | 11/04/2008 |
| 7444612 | Apparatus, method and program for supporting designing of integrated circuit using a common format In designing integrated circuits such as FPGAs, a design support environment including the quality of design data is improved and the design efficiency is improved. An integrated-circuit design support apparatus that supports designing of an integrated circuit havin... | 10/28/2008 |
| 7444611 | Automatic design method including automatic processing for equalizing spacing wiring and automatic designing apparatus thereof In an area extracting step, areas interposed among tower post rows adjacent to one another, and rectangular areas interposed among the tower post rows and pads at outer peripheral portions of a chip are respectively extracted as areas in which equalization of wire s... | 10/28/2008 |
| 7441222 | Differential pair connection arrangement, and method and computer program product for making same Disclosed is a connection arrangement for connecting end portions of differential pairs to pads. In the arrangement, first and second signal traces comprising the differential pair are formed in first and second layers, respectively, of a printed circuit board. Each... | 10/21/2008 |
| 7441221 | Method and apparatus for generating design information, and computer product An apparatus generates design information on a via hole that passes through predetermined layers of a multilayer wiring board, by storing information on at least one of a shape and a size of a land to be provided around the via hole. When designing a via hole that p... | 10/21/2008 |
| 7434190 | Analysis method and analysis apparatus of designing transmission lines of an integrated circuit packaging board An analysis method of designing transmission lines of an integrated circuit packaging board including an integrated circuit chip, a printed circuit board, and an interposer disposed between the integrated circuit chip and the printed circuit board. A reference data ... | 10/07/2008 |
| 7418687 | Information processing apparatus and information display method An information processing apparatus includes: an input unit; a storing unit configured to store wiring layout information and layer configuration information of a multilayer printed circuit board; a layout displaying unit configured to display a wiring layout drawin... | 08/26/2008 |
| 7415688 | Method of manufacturing surface-emitting backlight, by molding contact member integrally with molded case A method of manufacturing a surface-emitting backlight is provided with the steps of forming a lead frame and resin-made molded case by insert molding, attaching light sources, which are red, blue and green LED dies, to contacts of the lead frame provided in a hollo... | 08/19/2008 |
