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Class 700/109 - Quality control


Subclass of Class 700 - Data processing: generic control systems or specific applications
Definition: Subject matter wherein the data processing system or calculating
No. of patents: 431
Last issue date: 12/13/2011


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NumberTitleIssue Date
5872715Automatic inspection and certification system
A transporting apparatus transports tubing in a forward direction. A tubing cutter is disposed along the transporting apparatus, and is activated at predetermined time intervals to cut a source of tubing into cut tubing portions as the source of tubing is...
02/16/1999
5864483Monitoring of service delivery or product manufacturing
A system (10) is provided for monitoring services or products. The system (10) includes an interface (12, 18) which can receive criteria information (14) specifying an unacceptable level for services or products. The interface (12, 18) can also receive se...
01/26/1999
5862054Process monitoring system for real time statistical process control
This invention describes a method to monitor process parameters from multiple process machines to provide real time statistical process control (SPC). The particular implementation was derived from ion implantation of wafers, but has wide applicability wh...
01/19/1999
5844803Method of sorting a group of integrated circuit devices for those devices requiring special testing
A method for sorting integrated circuit (IC) devices of the type having a fuse identification (ID) into those devices requiring enhanced reliability testing and those requiring standard testing includes storing fabrication deviation data, probe data, and ...
12/01/1998
5841676System and method for estimating a change point time in a manufacturing process
The present invention discloses a system and method for estimating a change point time in a manufacturing process. The change point estimate is estimated by a change point estimator after receiving an alarm from a statistical process control chart. The ch...
11/24/1998
5814733Method of characterizing dynamics of a workpiece handling system
A method of characterizing dynamics of a workpiece handling system includes providing a workpiece or substrate (14), supporting the substrate (14) with a workpiece handler (13), providing a motion for the workpiece handler (13), transforming the motion in...
09/29/1998
5815397Method of analyzing factors affecting product quality and adjusting molding conditions for injection molding machine
A method of analyzing factors affecting the product quality performs adjustment of molding conditions for an injection molding machine. Data effective to discriminate the product quality is properly selected, and molding conditions for eliminating a moldi...
09/29/1998
5796615Correcting method of automobile's door frame and means thereof
In a correcting method of an automobile's door frame by applying a conventional correcting unit, tightening method to securely fix hinges of the door frame by means of jigs is developed, as well as clampers, and the door frame is supported by three points...
08/18/1998
5793650System and method of identifying the number of chip failures on a wafer attributed to cluster failures
A method of identifying the non-clustered failure yield on a wafer which includes: measuring an absolute yield of the chips on a wafer; identifying a first set of clustered failed chips in which each failed chip is disposed in a field of chips whose yield...
08/11/1998
5787021Information system for production control
An information system for production control wherein measured data from many test facilities is controlled, stored, and, if necessary, processed in a central data base. Via two-way data links, various data users can access the stored data and use this dat...
07/28/1998
5774875Pharmaceutical recordkeeping system
A recordkeeping method comprises assigning serialized portable memory devices to individual lots of material and manufacturing process batches, writing identification and requirements data into the portable memory devices, writing manufacturing and test d...
06/30/1998
5767406Method to specify random vibration tests for product durability validation
A method for determining the testing profile for accelerated laboratory random vibrational testing of a product, including the steps of (i) selecting the frequency range covered in the laboratory accelerated testing, (ii) developing a simplified composite...
06/16/1998
5765137Computer system and computer-implemented process for correlating product requirements to manufacturing cost
A computer system determines a quantitative measure of a manufacturer's capability to achieve a product requirement at an acceptable cost. This quantitative measure, called the manufacturer's capability curve, is a function relating a product requirement,...
06/09/1998
5751582Controlling process modules using site models and monitor wafer control
A method is described for controlling a plurality of nonuniformity parameters in processing discrete products such as semiconductor wafers through a module consisting of several individual processes using site models. The method uses a controlled process ...
05/12/1998
5745390Method and system for reducing development time of complex systems utilizing correlation matrices
A method and system for reducing development time of a complex system such as an automobile engine utilizing correlation matrices are provided. First, second and tertiary level correlation matrices are preferably created and stored on a computer system in...
04/28/1998
5737581Quality system implementation simulator
A process is disclosed for simulating on a computer system the implementation of a quality system on a business having a product flow. The process entails first inputting a selection of quality assurance measures of the quality system, and then configurin...
04/07/1998
5717607Computer program, system and method to reduce sample size in accelerated reliability verification tests
A method for determining a sample size W required for accelerated testing of a product includes the steps of selecting a Reliability Goal R as appropriate for the product, selecting a Confidence Level CL appropriate for the accuracy required from the resu...
02/10/1998
5715181Isogrammetric analysis method for high-yield processes
A method is provided for process monitoring by statistical measurement of level-of-defectives performance in manufacturing and other processes. Statistical performance data functions of mean-value shift and deviation ratio are plotted on an isogrammetric ...
02/03/1998
5715180Method to reduce sample size in accelerated reliability verification tests
A method for determining a sample size W required for accelerated testing of a product includes the steps of selecting a Reliability Goal R as appropriate for the product, selecting a Confidence Level CL appropriate for the accuracy required from the resu...
02/03/1998
5568408Automatic repair data editing system associated with repairing system for semiconductor integrated circuit device
An automatic repair data editing system is associated with a repairing system for rescuing defective semiconductor memories fabricated on semiconductor wafers from rejection. The system edits repair data that is partially duplicated due to a trouble in th...
10/22/1996
5440478Process control method for improving manufacturing operations
In a method and system for controlling a manufacturing process statistical process control data or other statistical indicators of performance from the production process and specification data are displayed in both tables and bar-type graphs. The graphic...
08/08/1995
5396433Apparatus and method for assembling and checking microwave monolithic integrated circuit (MMIC) module
Assembling and checking microwave circuit modules is accomplished by storing results of checks of active elements after the manufacture, determining a combination of active elements according to the stored results or data, calculating the characteristic v...
03/07/1995
5381340Quality control system in a spinning mill
A quality control system in a material processing mill. The mill may include several different processing machines for performing several different processing steps to produce several different intermediate products. Each processing machine is provided wi...
01/10/1995
5351202Evaluation and ranking of manufacturing line non-numeric information
An apparatus and method for quantitatively ranking the performance of each attribute contributing to a manufacturing process. Various signals representing the measure (i.e., quality or yield) of a manufacturing run and representing the attributes that con...
09/27/1994
5301118Monte carlo simulation design methodology
A two-stage Monte Carlo method of tolerancing components of an assembly is provided. Statistical measures of component features are not time invariant, but change over a production run. That is, the mean value of component feature measures and the standar...
04/05/1994
5196997Method and apparatus for quality measure driven process control
A process controller determines the quality of a process based on input signals derived from a measured parameter value. A processor generates the input signals using a function of the parameter value which is positive over the range of the parameter, is ...
03/23/1993
4819176Process control and data collection system
A process control and data collection system which analyzes the data collected to provide information regarding the quality of the raw material supplied by specific vendors, the quality of production for a particular job, the efficiency and quality of the...
04/04/1989
4786182Method and means for controlling a fodder mixing plant
In order to produce pellets (22) in a pellet press following a recipe which is constantly being adjusted in order that the physical properties of the pellets are optimized in relation to the total production costs, a method is used where control is effect...
11/22/1988
4554887Apparatus for coating tablets with computer control
A method and apparatus for coating medical tablets and pellets, for example, which are to be coated with a protective film or wherein an ingredient is to be added or the appearance of the material is to be improved wherein the various parameters which con...
11/26/1985
4541063Method and apparatus for updating event information
A monitoring apparatus and method are disclosed for monitoring the occurrence of a plurality of events in a cyclical process. An event transducer detects the occurrence of such events in such process, a progress transducer detects the progress of such pro...
09/10/1985
4120629Production control apparatus
Utilization of production equipment with diverse throughput rates is optimized by a central random access article storage apparatus disposed centrally of peripherally positioned production equipment. Computer controls enable fully automatic sequencing of ...
10/17/1978
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