Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
1998-12-22
2001-06-26
Grant, William (Department: 2121)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C702S081000
Reexamination Certificate
active
06253115
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to a system for implementing a design for six sigma (DFSS) process. For any process (business, manufacturing, service, etc.), the sigma value is a metric that indicates how well that process is performing. The higher the sigma value, the better the output. Sigma measures the capability of the process to perform defect-free-work, where a defect is synonymous with customer dissatisfaction. With six sigma the common measurement index is defects-per-unit where a unit can be virtually anything—a component, a part of a jet engine, an administrative procedure, etc. The sigma value indicates how often defects are likely to occur. As sigma increases, customer satisfaction goes up along with improvement of other metrics (e.g., cost and cycle time).
The six sigma methodology has been used by a number of companies such as Motorola Semiconductors, Texas Instruments, Allied Signal and Digital Corporation. All of these companies use this process for a specific application such as semiconductor manufacturing in the case of Motorola and Texas Instruments. A drawback to specific applications of the six sigma process is that there is a lack of flexibility to allow for the existing implementation to be applied to other business processes.
BRIEF SUMMARY OF THE INVENTION
An exemplary embodiment of the invention is a system for implementing a design for six sigma process having a plurality of sub-processes each having a plurality of sub-steps. The system includes an independent main application for implementing the design for six sigma process. A series of independent sub-process applications each implements one sub-process of the design for six sigma process. A tool library containing a plurality of executable tools is accessible by the main application and sub-process applications to access and execute the plurality of executable tools. A communications path interconnects the main application, the sub-process applications, and the tool library.
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Aase Jan Henning
Ali Mohamed Ahmed
Elasser Ahmed
Kolb Mark Andrew
Kumar Virendra
Cabrera Zoila
General Electric Company
Grant William
Johnson Noreen C.
Stoner Douglas E.
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