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Confirmation System and Confirmation Method of Engineering Change Critical Point

A technology for engineering changes and critical points, applied in the field of confirmation systems, which can solve problems such as longer R&D and production cycles

Active Publication Date: 2019-04-02
SEMICON MFG INT (SHANGHAI) CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The process change of the initial product development requires complete system and system control, otherwise it will lead to a longer development and production cycle

Method used

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  • Confirmation System and Confirmation Method of Engineering Change Critical Point
  • Confirmation System and Confirmation Method of Engineering Change Critical Point

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Embodiment Construction

[0031] The confirmation system and confirmation method of the engineering change critical point of the present invention will be described in more detail below in conjunction with the schematic diagram, wherein a preferred embodiment of the present invention is shown, it should be understood that those skilled in the art can modify the present invention described here, and still The advantageous effects of the present invention are realized. Therefore, the following description should be understood as the broad knowledge of those skilled in the art, but not as a limitation of the present invention.

[0032] In the interest of clarity, not all features of an actual implementation are described. In the following description, well-known functions and constructions are not described in detail since they would obscure the invention with unnecessary detail. It should be appreciated that in the development of any actual embodiment, numerous implementation details must be worked out ...

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Abstract

The invention discloses a confirming system and a confirming method for confirming the critical point of process change. The confirming system comprises a product maturity information system, an integrated system, and a client. The product maturity information system, as an information knowledge base of product maturity, maintains products produced in the production line, and defines the level of product maturity. The client and the product maturity information system intercommunicate through the integrated system. In the confirming system, the integrated system acquires information from the client, sets the level of product maturity of related products in the product maturity information system, and transmits information of products after setting of the level of product maturity to the client, so as to find an effective critical point of process change. The production efficiency is improved, and the risk is reduced.

Description

technical field [0001] The invention relates to the technical field of semiconductor product process management and control systems, in particular to a confirmation system and a confirmation method that take product maturity as the critical point of engineering change. Background technique [0002] The process flow of semiconductors is extremely complex, and changing various parameters has a large impact on the process. A wrong change is likely to affect the yield rate of the product, resulting in low production efficiency and reduced customer satisfaction. Therefore, process changes need to be controlled and evaluated through a complete system and system. [0003] Due to the continuous development of integrated circuits and the continuous upgrading of products, Fab (factory) often develops and produces many new products. Because the manufacturing process is quite complicated, a new product will undergo frequent engineering changes during the production process, so as to co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCG05B19/41865Y02P90/02
Inventor 徐梅张哲
Owner SEMICON MFG INT (SHANGHAI) CORP
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