Abstract: A method of making an aerofoil blink comprising a plurality of aerofoil blades joined to a disc to extend radially outwardly therefrom is provided, The method includes the step of: (a) modelling a linear friction welding process in which a blade member is joined to the disc, the blade member having a stub for joining to the disc, wherein the modelling provides results which are indicative of the welding power at positions along the stub during the welding process; (b) identifying adaptations to the stub using the modelling results to compensate for differences in welding power along the stub during the welding process; (c) providing a blade member having a stub with the identified adaptations; and (d) joining the provided blade member to the disc by the linear friction welding process.

Abstract: A simulation apparatus includes a storing unit that stores therein information about a shape of a blank piece to be cut out from raw wood, information about a final shape of a wooden piece obtained by compressing the blank piece, and image data of a surface of the blank piece. The apparatus also includes detecting unit that detects a knot appearing on the surface of the blank piece by image recognition using the image data; a shape estimating unit that estimates a shape of the detected knot using shape information on the blank piece; and a determining unit that determines, in accordance with the shape of the estimated knot, a cutting location and a cutting shape of the blank piece in such a manner that the cutting location and shape include a part and a thickness of the knot is substantially the same as that of the compressed blank piece.

Abstract: A processing simulation method and apparatus is provided, which can appropriately detect interference between a tool processing area and a shape model of a material without being affected by the accuracy of expression of a tool movement path and the shape model. A tool shape model for processing a material, that includes a strict tool shape, and a tool shape model for checking interference, that is included in the strict tool shape, are generated by tool model setting unit according to an error range set in consideration of the tool movement path and the expression accuracy of the shape model, and the processed material shape model is generated by generating a tool processing area shape model from the tool movement path during processing feed and the tool shape model for processing the material and removing the tool processing area shape model from the material shape model.

Abstract: A system, method and software arrangement are provided for generating press-formed parts having a more consistent quality based on improved determination of processing conditions. For example, an apparatus can be configured to compare actual performance values of material properties provided by a material property database with standard values, and to adjust forming conditions such as a forming speed and a blank-holder pressure in accordance with the compared result. A control arrangement can be provided to control a press-forming device using the adjusted forming conditions. Accordingly, it may be possible to reduce occurrences of defects such as cracks and wrinkles when press-forming materials, and to obtain products having consistent quality and substantially identical shapes.

Abstract: According to various embodiments, a biofuel production system includes a plurality of parallel-operated fermenters, a cooling tower water system configured to supply cooling water to the plurality of parallel-operated fermenters, a chiller water system configured to supply chiller water to the plurality of parallel-operated fermenters, and a cooling system coupled to the plurality of parallel-operated fermenters, the cooling tower water system, and the chiller water system. The cooling system controls the flow rates of the cooling water and the chiller water to the plurality of parallel-operated fermenters based upon temperatures of fermentation products of the fermenters.

Abstract: A certain embodiment includes a setting calculator (31), an energy use calculator (32), a manufacturing carbon dioxide emission amount calculator (33), and an optimizer (35). The setting calculator (31) operates to depend on an initial size, an initial temperature, and a target temperature of a rolling material (120), to calculate a control setting value for services of a hot rolling mill (100) to mill the rolling material (120). The energy use calculator (32) operates to depend on a control setting value, to calculate a use of energy as a necessary energy for services of the hot rolling mill (100) to mill the rolling material (120). The manufacturing carbon dioxide emission amount calculator (33) operates to depend on a carbon dioxide emission coefficient and a use of energy, to calculate an emission amount of carbon dioxide emitted at the hot rolling mill (100).

Abstract: In order to achieve an improved or optimized operation mode of an “expanded drying section” of a paper machine—having the “actual” drying section, separated, if applicable, into pre-drying and post-drying sections with a size press located therebetween, a steam and condensate system, an exhaust air heat recovery system, a wet press and the white water—a model that includes the above system components is proposed, with which mass and energy balances for the system components as well as the specific energy consumption of the drying section are calculated, based on values for parameters relevant for the drying process.

Abstract: Provided are a process-parameter prognostic system for predicting the shape of a semiconductor structure, a semiconductor fabrication apparatus having the process-parameter prognostic system, and a method of using the same. The process-parameter prognostic system may have a process prediction unit and a process-change point corresponding unit. The process prediction unit and the process-change point corresponding unit may obtain predicted parameters using measured parameters of semiconductor structures and sensor parameters of plasmas corresponding to the semiconductor structures.

Abstract: System and method for data mining and feature tracking for fab-wide prediction and control are described. One embodiment is a system comprising a database for storing raw wafer manufacturing data; a data mining module for processing the raw wafer manufacturing data to select the best data therefrom in accordance with at least one of a plurality of knowledge-, statistic-, and effect-based processes; and a feature tracking module associated with the data mining module and comprising a self-learning model wherein a sensitivity of the self-learning model is dynamically tuned to meet real-time production circumstances, the feature tracking module receiving the selected data from the data mining module and generating prediction and control data therefrom; wherein the prediction and control data are used to control future processes in the wafer fabrication facility.

Abstract: A computerized system and method for generating a delivery bill of materials (BOM) for use at a production facility. Input includes parts data identifying the parts used in the production process, delivery/process location data identifying areas on the production line where parts are delivered, and packaging data related to containers in which parts are delivered. Each delivery BOM has a code for an associated product and data that defines a relationship between a trailer loaded with case packs of parts, a delivery process code, and a tugger for delivering the packs to line locations. Each trailer holds multiple packs assigned to different delivery process codes. The delivery process code ties the case packs on the trailer to the tuggers and is associated with one or more assembly processes. Each delivery process code is assigned to an associate that coordinates case pack and tugger staging according to supported production processes.

Abstract: A tolerance analyzing apparatus for performing a tolerance analysis based on design data includes an assembly definition unit that allows a user to make an assembly definition and define a degree of freedom for a constituent component, and a determination unit determining a datum type corresponding to a count value based on a datum determination reference table. The determination unit obtains the count value by counting a number of normals having the same direction at an assembly location of the constituent component, a constrained degree of translational freedom in the normal direction, and a constrained degree of rotational freedom about an axis perpendicular to the normal based on the assembly definition and the degree of freedom of the constituent component. The apparatus also includes an output unit that outputs the datum type determined by the determination unit.

Abstract: The invention discloses a real-time production performance improving method comprising a real-time monitoring step, a performance satisfaction determination step and a real-time performance improving step. The real-time monitoring step monitors an operation status of a production machine via a monitoring unit, records the monitored operation status into a database and determines whether the operation status of the production machine has changed. The performance satisfaction determination step determines whether the change in the operation status meets a required performance level. This involves the monitoring unit monitoring the at least one production machine to detect a next change in the operation status of the at least one production machine, and the performance satisfaction determination step determining whether the next change in the operation status meets the required performance level. The real-time performance improving step sends information illustrating the problem to an assigned task team.

Abstract: A method of extending advanced process control (APC) models includes constructing an APC model table including APC model parameters of a plurality of products and a plurality of work stations. The APC model table includes empty cells and cells filled with existing APC model parameters. Average APC model parameters of the existing APC model parameters are calculated, and filled into the empty cells as initial values. An iterative calculation is performed to update the empty cells with updated values.

Abstract: A parameter correction method includes: obtaining, from a variability-aware simulation, a simulation result value of a predetermined product performance for a reference candidate value set concerning statistics of predetermined product characteristics; calculating a likelihood by substituting the reference candidate value set, the obtained simulation result value, statistics of measurement values of the predetermined product characteristics and a measurement value of the predetermined product performance into a likelihood function that is defined from a probability density function for the statistics of the predetermined product characteristics and a probability density function for the predetermined product performance, and is a function to calculate a combined likelihood of the statistics of the predetermined product characteristics and the predetermined product performance; and searching for a reference candidate value set in case where the calculated likelihood becomes maximum, by carrying out the obtaini

Abstract: Provided is a method of calculating a temperature distribution with higher accuracy than a conventional method, which calculates a temperature distribution of an inner surface of a silica powder molded body during manufacturing based on boundary conditions corrected in accordance with the actually measured temperature in consideration of plasma radiation by arc discharge and heat radiation of arc discharge.

Abstract: A method and a system for casting using simulation of casting process. The system includes at least a database (130) which is relational type and contains a set of tables and relations linking them, a receiving module (110) of orders and a cast designs searching module (120) connected to the database (130) and the receiving module (110). The cast designs searching module (120) is used for determining initial searching criteria and for searching in the database (130) using the initial searching criteria in order to get a list of designs, from which every design constitutes information set defining cast production technology by means of thermo-kinetic and process engineering parameters, and best meets the searching criteria. Basing on the list of designs, an analytic module (140) of cast designs looks for a cast that meets best the initial searching criteria and further search criteria related to cast features and conforms to a manufacturer order.

Abstract: A method for monitoring sequencing of a control recipe for a batch process, wherein the recipe comprises a plurality of recipe elements and is displayable on a display unit of a batch or operator system. In order to simplify the monitoring of the sequence of the control recipe a respective recipe-element-specific rule is created for each of the plurality of recipe elements, compliance with the respective recipe-element-specific rule is monitored for each of the plurality of recipe elements during run-time of the control recipe, each recipe element of the plurality of recipe elements is automatically classified into one of a plurality of problem levels if the respective recipe-element-specific rule for a respective recipe element of the plurality of recipe elements is not complied with, and recipe elements of the plurality of recipe elements that have been classified are displayed, together with the respective problem level, on the display unit in tabular form.

Abstract: A person may store food to prepare for an emergency. An insurance policy may be issue to cover the stored food against loss, theft, spoilage, etc. In issuing the insurance policy and setting the premium, the insurer may take various factors into account, such as the type of food to be stored (e.g., canned, dried, etc.), where the food is to be stored (e.g., a cellar, a closet, a food locker, etc.), and whether the stored food is rotated with new food to prevent the stored food from spoiling due to age. During the life of the insurance policy, the insurer may issue alerts to the policyholder in order to advise the policyholder to rotate old food out of storage.

Abstract: A method, system, and computer usable program product for equation based retargeting of design layouts are provided in the illustrative embodiments. A set of desirable combination of values of a set of layout parameters of the design layout is determined. A desirable region that includes the set of the desirable combination of values is determined. An equation is computed to determine a retargeting value for a first combination of values of the set of layout parameters with respect to the desirable region. Instructions are generated to adjust a value in the first combination to generate a second combination of values of the set of layout parameters such that the second combination falls in the desirable region. A shape in the design layout is retargeted such that the retargeted shape uses the second combination of values of the set of layout parameters. The IC is manufactured using the retargeted shape.

Abstract: The present disclosure relates to a method for machining composite components in a CNC controlled machining station. In accordance with the present disclosure, a machining tool is guided along a preset tool edge by means of a measuring system, wherein it simultaneously carries out the machining operation, while the CNC control program to control the machining tool is generated in accordance with the measured result. The present disclosure furthermore relates to an apparatus for the carrying out of the method.

Abstract: A computer-implemented automated building mechanical systems design and modeling is described. The system provides a central source for all of the design and construction information for systems in a construction project in a coordinated two-dimensional and three-dimensional spatial database that is accessible as a means to produce automatically coordinated design development and construction document information of the mechanical systems. The system acquires and stores all of the appropriate design, engineering, and construction expertise information available for any building type for use in automatically assembling and coordinating the design, cost-estimating, and scheduling for the mechanical systems of the construction project. The system output model enables automatic generation of drawings and cost, manufacturing and scheduling information.

Abstract: A method for generating a layout for a semiconductor device is disclosed. The method includes: receiving a first layout. A portion of the first layout is defined as a first FinFET region. The first FinFET region has first and second sides that each extend approximately in a first direction. The method includes performing a first design rule check (DRC) simulation. The method includes obtaining a first DRC simulation result. The method includes defining a second FinFET region by moving the first side in a second direction perpendicular to the first direction. The method includes performing a second DRC simulation. The method includes obtaining a second DRC simulation result. The method includes selecting one of the first and second FinFET regions based on the first and second DRC simulation results. The method includes generating a second layout using the selected FinFET region.

Abstract: A method and system for modifying a substrate, such a thin film, solar panel or the like detects error and/or variance and, if needed, re-optimizes the product design and/or process parameters on the fly, so that product can meet the product specification. This allows for methods and systems of process control that can adaptively change the product design in real time.

Abstract: A computer-implemented integrated expert system for the identification of abnormal events in an industrial plant. The expert system integrates a model-based expert system with a rule-based expert system. The model-based expert system receives data on the operating conditions of a process unit in the industrial plant and calculates one or more results that determine whether the process unit is operating abnormally. The rule-based expert system also receives data on the operating conditions of the process unit and applies its rules to the process data. The rule-based expert system also applies its rules to the one or more results generated by the model-based expert system. The integrated system may also suppress any redundant messages generated by the model-based expert system.

Abstract: A method for advanced batch control of a batch process. The method discloses completing at least one cycle of the batch process and collecting data on at least one process variable and at least one product property. A model is created based on the data, wherein the model comprises inputs. Thereafter the batch process is initiated. At one or more decision points the model is utilized to obtain outputs. A controller utilizes the model outputs to control the batch in accordance with the model outputs. Final product properties are reached at decreased variability compared to the prior art.

Abstract: The present disclosure includes a method for optimizing value of current wood products dried in one or more current drying processes and associated computer software. The method comprises the steps of obtaining prior wood product data for prior wood products dried in one or more prior drying processes and generating a value function based on the prior wood product data. The method further includes identifying one or more sources of variability in the prior wood product data and quantifying a contribution to overall variability from each of the sources. The value function and the contributions to overall variability may be used to quantify one or more value opportunities associated with each the one or more sources, each value opportunity being associated with one or more executable steps for improving the one or more current drying processes.

Abstract: A configuration mapping system and method increase the effectiveness of mapping of information from an established product line to a new product offering. In at least one embodiment, the configuration mapping system herein uses configuration mapping rules to map individual product features and entire configurations from established products to a new product offering. The configuration mapping system also provides a way to appropriately map, for example, demand and sales information for the purpose of demand estimation and sales prediction. Conventionally, mapping can be ineffective because the configuration mapping rules usually focus on one part of the product at a time, and, if applied in isolation, the impact on other parts is missed. The systems and method herein provide a way to integrate configuration mapping rules across feature parts, time periods, and product lines into a unified, holistic view, allowing for new insights.

Abstract: Even in an uncuttable state in which an actual rotational direction of a main spindle is not matched with an actually cuttable main spindle rotational direction of a tool, an interference check between a workpiece and the tool is performed. Accordingly, the cuttable main spindle rotational direction of the selected tool or the uncuttable main spindle rotational direction is compared with each main spindle rotational direction of a working machine during execution of a simulation, and it is determined whether an interference check between the tool blade edge and the workpiece is necessary on the basis of the comparison result. When it is determined that the interference check is not necessary in the step above, the interference check between the tool blade edge and the workpiece is not performed. When it is determined that the interference check is necessary, the interference check between the tool blade edge and the workpiece is performed.

Abstract: A process for selecting a surrogate part for metallic plating, the metallic plating of the surrogate part predicting results for the metallic plating of a new or predetermined part is disclosed. The process can include providing a reinforcement learning system having a memory circuitry and a processing circuitry. The memory circuitry can have a database with data associated with a plurality of surrogate parts and data associated with the predetermined part can be entered into the data input module. The processing circuitry can compare the data associated with each of the plurality of surrogate parts and the data associated with the predetermined part and select a surrogate part that affords predicting a plating result of the predetermined part.

Abstract: A method of identifying most influential design variables in a multi-objective engineering design optimization of a product is disclosed. According to one aspect of the present invention, a product is optimized with a set of design variables and a set of response functions as objectives and constraints. Representative product design alternatives (samples) are chosen from the design space and evaluated for responses. Metamodels are then used for fitting the sample responses to facilitate a global sensitivity analysis of all design variables versus the response functions. A graphical presentation tool is configured for allowing the user to conduct “what-if” scenarios by interactively applying respective weight factors to response functions to facilitate identification of most influential design variables. Engineering design optimization is then conducted in a reduced design space defined by the most influential design variables.

Abstract: Disclosed are methods for developing a product having a relatively benign environmental impact. The methods evaluate the environmental hazard of various chemical components in formulated products and identify improvements in environmental safety based on those evaluations. Environmental criteria are in part developed based on three factors including; persistence, bioaccumulation and toxicity. One method includes obtaining a preliminary formula for a product, wherein the preliminary formula includes a plurality of chemical components, identifying at least one different chemical component that is capable of being substituted for the chemical component in the preliminary formulation and determining an environmental performance score for the chemical component and the different chemical component and determining an environmental performance score of the preliminary formula and a second formula, wherein the second formula utilizes the different chemical component.

Abstract: Embodiments of the invention disclose a method for optimizing a simulation of a machining of a workpiece performed by removing a set of swept volumes from a volume of the workpiece, wherein the volume is partitioned into a set of cells, comprising the steps of: associating with each cell a subset of distance fields representing a subset of swept volumes intersecting with the cell, wherein at least part of the subset of swept volumes forms a composite surface of the cell; subjecting the cell with a set of rays incident to the cell from at least one direction; and selecting a distance field of the subset of distance fields into an optimal subset associated with the cell, wherein a boundary of the swept volume represented by the distance field intersects with at least one ray at a point of intersection lying on the composite surface.

Abstract: Provided is a method for controlling a fabrication cluster using an optical metrology system that includes an optical metrology tool, an optical metrology model, and a profile extraction algorithm. The method comprises: selecting a number of rays for the illumination beam, selecting beam propagation parameters, using a processor, determining beam propagation parameters from the light source of the to the sample structure, determining the beam propagation parameters from the sample structure to the detector, calculating intensity and polarization of each ray on the detector, generating a total intensity and polarization of the diffraction beam, calculating a metrology output signal from the total intensity and polarization, extracting the one or more profile parameters using the metrology output signal, transmitting at least one profile parameter to a fabrication cluster, and adjusting at least one process parameter or equipment setting of the fabrication cluster.

Abstract: The present disclosure provides a method of fabricating a semiconductor device. The method includes collecting a plurality of manufacturing data sets from a plurality of semiconductor processes, respectively. The method includes normalizing each of the manufacturing data sets in a manner so that statistical differences among the manufacturing data sets are reduced. The method includes establishing a database that includes the normalized manufacturing data sets. The method includes normalizing the database in a manner so that the manufacturing data sets in the normalized database are statistically compatible with a selected one of the manufacturing data sets. The method includes predicting performance of a selected one of the semiconductor processes by using the normalized database. The selected semiconductor process corresponds to the selected manufacturing data set. The method includes controlling a semiconductor processing machine in response to the predicted performance.

Abstract: A method of semiconductor fabrication is provided. The method includes providing a model for a device parameter of a wafer as a function of first and second process parameters. The first and second process parameters correspond to different wafer characteristics, respectively. The method includes deriving target values of the first and second process parameters based on a specified target value of the device parameter. The method includes performing a first fabrication process in response to the target value of the first process parameter. The method includes measuring an actual value of the first process parameter thereafter. The method includes updating the model using the actual value of the first process parameter. The method includes deriving a revised target value of the second process parameter using the updated model. The method includes performing a second fabrication process in response to the revised target value of the second process parameter.

Abstract: In a material determining step, the material constituting an actuator and the material constituting a link are determined such that at least one of the materials contains fiber reinforced plastic. In a computing step, a computation model that defines the relationship between a control surface, the actuator, and the link is used to compute the change in gain margin with the change in a rigidity ratio, which is the ratio of the rigidity of the link to the rigidity of the actuator. The rigidities of the actuator and the link are determined in a rigidity determining step based on a result of the above-described computation, the shapes of the actuator and the link are determined in a shape determining step, and the actuator and the link are formed in a formation step, and are assembled in an assembly step.

Abstract: A truck configuration satisfying a truck configuration problem is automatically determined. The truck configuration problem is transformed to a target function, outputting values indicative of configurations satisfying the truck configuration problem. Stochastic local search methods are applied on the target function to determine the truck configuration. Preprocessing may be performed to improve efficiency, performance or the like of the stochastic local search methods. The truck configuration problem may be obtained from several sources, which may be independent of one another.

Abstract: In a communication network including a relay apparatus and a call control apparatus, a telephone conversation resumption system includes: a reservation unit, when a judgment unit detects communication impossibility between a portable terminal and the relay apparatus, records terminal identification data that specifies the portable terminal and an other-end terminal in a recording unit; a continuation processing unit that generates a call with the other-end terminal indicated by the terminal identification data and transmits a message to the other-end terminal; and a resumption unit that, when the judgment unit detects recovery of the communication state of the portable terminal, requests the call control apparatus to resume the telephone conversation between the portable terminal and the other-end terminal using the terminal identification data.

Abstract: A substrate processing apparatus includes an operating section. The operating section includes a display unit having an operation screen, a screen file that stores daily check data monitor screen data in which a row number is settable as a data number, and a data name is settable as item data of a daily check. The operating section further includes a daily check initial parameter file that stores parameter data corresponding to the item data. The operating section displays the daily check data monitor screen data by extracting the screen file and placing the daily check data monitor screen data on the operation screen as a daily check data monitor screen, and by extracting the daily check initial parameter file, searching through the daily check initial parameter file based on the data number, and placing parameter data corresponding to the item data on the operation screen as the daily check data monitor screen.

Abstract: A generic, integrated, parametric, automated product configuration system for parametric configuration of products such as offices on a building space plan. The system can produce bills of materials, costings and manufacturing drawings in real-time at the request of a user as the user specifies and configures the product components and parameters values. The system provides for real time three-dimensional visualization and editing of the product as it is configured. It also includes a rule engine for validating the product and automatically incorporating missing necessary components in a configuration in real-time as the user configures a product.

Abstract: A method of patterning a plurality of layers of a work piece in a series of write machines, wherein errors due to different transformation capabilities of different machines are compensated by distributing the errors over the plurality of layers.

Abstract: A control system for controlling an industrial process includes an indicator generator configured to determine at least one fuzzy logic based indicator from measured process variables. The control system also includes a state estimator configured to determine estimated physical process states based on the fuzzy indicator. For controlling the industrial process, the process controller is configured to calculate manipulated variables based on (i) defined set-points and (ii) a physical model of the process using the estimated physical process states. Combining a fuzzy logic indicator with a model based process controller provides robust indicators of the process states for controlling an industrial process in a real plant situation in which measured process variables may possibly contradict each other.

Abstract: A method for feedback-based optimisation of a measurement data life cycle in joining processes during production, comprising the following steps: 1) analysing and simulating production on the basis of assumptions, in particular on the basis of production data, in order to prepare an initial production strategy and/or inspection strategy, 2) preparing and/or adapting a production and/or inspection order, 3) checking the production and/or inspection order for consistency, 4) exporting and storing the production and/or inspection order, 5) aligning and/or joining a component made of at least two sub-assemblies in an assembly zone, 6) analysing and simulating production on the basis of actual measurement results and feedback of an optimised production and/or inspection order into method step 2), and 7) at least one repetition of method steps 2) to 6). The invention also relates to a device for carrying out the method.

Abstract: Described herein are methods, apparatuses, and systems for determining adaptive predictive algorithms for virtual metrology. In some embodiments, a computer implemented method identifies a plurality of predictive algorithms. The method determines when to use one or more of the plurality of predictive algorithms to predict one or more virtual metrology variables in a manufacturing facility.

Abstract: A manufacturing instruction evaluation support system includes a data reading part that reads a manufacturing instruction parameter group and manufacturing performance data corresponding thereto, a parameter sorting part that calculates a risk rate for each manufacturing instruction parameter configuring the manufacturing instruction parameter group and an average value of risk rates among the manufacturing instruction parameters to identify as available choices the manufacturing instruction parameters having the risk rates no greater than the average value, a parameter identifying part that calculates an explanatory variable selection reference value for the manufacturing instruction parameter group and the manufacturing instruction parameters of the available choices with the multiple regression analysis program to identify the manufacturing instruction parameter group or the manufacturing instruction parameters of the available choices having the greater calculated explanatory variable selection reference

Abstract: One embodiment of the present invention provides techniques and systems for modeling mask errors based on aerial image sensitivity. During operation, the system can receive an uncalibrated process model which includes a mask error modeling term which is based at least on an aerial image sensitivity to mask modifications which represent mask errors. Next, the system can fit the uncalibrated process model using measured CD data. Note that the mask error modeling term can also be dependent on the local pattern density. In some embodiments, the mask error modeling term can include an edge bias term and a corner rounding term. The edge bias term can be based on the sensitivity of the aerial image intensity to an edge bias, and the corner rounding term can be based on the sensitivity of the aerial image intensity to a corner rounding adjustment.

Abstract: The present invention includes a computing system determining a best alias rule in a semiconductor manufacturing process. The computing system obtains an original rule and candidate alias rules based on sampled data from the semiconductor manufacturing process. The computing system compares the original rule to the candidate alias rules. The computing system ranks the candidate alias rules according to the comparison. The computing system filters the ranked candidate alias rules. A user selects one rule among the filtered candidate alias rules based on knowledge of the semiconductor manufacturing process.

Abstract: A pad layout method for surface mount circuit board and a surface mount circuit board are described. The layout method includes the following steps. Firstly, coefficients of thermal expansion of a circuit board and a surface mounted component are obtained, and the circuit board is supplied with a plurality of predetermined layout positions in advance. Then, an operating temperature for combining the surface mounted component with the circuit board is determined, and a room temperature is measured. A plurality of actual layout positions on the circuit board is determined according to d=(CTEa?CTEb)×(Ts?Tr), where d is an offset distance between the actual layout position and the predetermined layout position. Finally, a plurality of pads is laid out on the actual layout positions, such that the pads are formed on the circuit board.

Abstract: An object of the invention is to improve the quality of a servo signal and a reproduction signal. Shape-wise thicknesses tr1, tr2, . . . , and trN of a cover layer and first through (N?1)-th intermediate layers of an optical recording medium having refractive indexes nr1, nr2, . . . , and nrN are converted into thicknesses t1, t2, . . . , and tN of the respective layers having a predetermined refractive index “no” which makes a divergent amount equal to a divergent amount of a light beam resulting from the thicknesses tr1, tr2, . . . , and trN, a difference DFF between the sum of a thickness “ti” through a thickness “tj”, and the sum of a thickness “tk” through a thickness “tm” is set to 1 ?m or more (where i, j, k, and m are each any positive integer satisfying i?j<k?m?N), and the thicknesses t1, t2, . . . , and tN are calculated by products of a function f(n) expressed by the following formula (1), and the thicknesses tr1, tr2, . . . , and trN: f(n)=?1.088n3+6.1027n2?12.042n+9.

Abstract: In one or more embodiments, a weldability of a stack-up for use in vehicle part production may be determined. The determination may include receiving general stack-up information, welding standards data for forming a stack-up, and one or more inputs defining one or more stack-up design variables. Additionally, standardized stack-up information may be generated based on the general stack-up information, the one or more design variables, and the welding standards data. Furthermore, historical welding data may be received for predicting a weldability of the stack-up. Predictive logic may be applied to the standardized stack-up information based on the historical welding data to obtain one or more weldability predictions for the stack-up. The one or more weldability predictions may be transmitted for use in vehicle part production.