Method for efficient manufacturing of integrated circuits
US6298470A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1999 |
| Grant date | Oct 2, 2001 |
| Priority date | — |
| Expiry date | Apr 15, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L22/20
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
This invention pertains to a method for the systematic development of integrated chip technology. The method may include obtaining empirical data of parameters for an existing integrated circuit manufacturing process and extrapolating the known data to a new technology to assess potential yields of the new technology from the known process. Further, process variables of the new process may be adjusted based upon the empirical data in order to optimize the yields of the new technology. A logic based computing system such as a fuzzy logic or neural-network system may be utilized. The computing system may also be utilized to improve the yields of an existing manufacturing process by adjust process variables within downstream process tools based upon data collected in upstream process for a particular semiconductor substrate or lot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.