Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2001-05-02
2003-01-14
Tokar, Michael (Department: 2819)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C716S030000, C716S030000, C716S030000
Reexamination Certificate
active
06507940
ABSTRACT:
FIELD OF THE INVENTION
The present invention generally relates to the design and analysis of integrated circuits and in particular, to a method for generating information for a window view of an integrated circuit from layout-formatted data.
BACKGROUND OF THE INVENTION
During the design and analysis of an integrated circuit, it is useful at times to allow a remotely located party to view the layout of an integrated circuit as generated from layout-formatted data such as conventional GDSII formatted data. The rendering and transmission of such a view, however, can be very time consuming. As the remote party inspects the layout of the integrated circuit, the remote party also frequently desires to see various zoom-in window views of portions of the layout. To respond to such requests, a common practice is to re-render the entire integrated circuit layout from the layout formatted data before transmitting only the requested zoom-in window view. Needless to say, the long resulting wait for the requested window view can be extremely disheartening to the remote party in an interactive session.
OBJECTS AND SPY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a method for generating information for a window view of an integrated circuit from layout-formatted data that is faster than conventional methods such as described above.
This and additional objects are accomplished by the various aspects of the present invention, wherein briefly stated, one aspect is a method for generating information for a window view of an integrated circuit from layout-formatted data, comprising: generating outer boundary boxes for structures of an integrated circuit from layout-formatted data; generating a build file by including information of a first group of the structures having areas greater than a threshold value and outer boundary boxes completely within a window; and generating information of a window view of the integrated circuit from the information thus included in the build file.
In another aspect, a method for generating information for a window view of an integrated circuit from layout-formatted data, comprises: generating outer boundary boxes for structures of an integrated circuit from layout-formatted data; generating a build file by including information of structures having outer boundary boxes completely within a window, excluding information of structures having outer boundary boxes completely outside the window, and clipping elements of structures having outer boundary boxes partially in and partially out of the window so that portions of the elements within the window are included in the build file and portions of the elements outside the window are excluded from the build file; and generating information of a window view of the integrated circuit from the information thus included in the build file.
REFERENCES:
patent: 5325309 (1994-06-01), Halaviati et al.
patent: 6064758 (2000-05-01), Jin
patent: 6289493 (2001-09-01), Kita
patent: 6317864 (2001-11-01), Kikuchi et al.
patent: 6351841 (2002-02-01), Tickle
patent: 6430732 (2002-08-01), Hwang et al.
patent: 6434733 (2002-08-01), Duggirala et al.
patent: 6446245 (2002-09-01), Xing et al.
Chen Tsung-Yen (Eric)
Du Yu
Gu Ke-Qin
Lee Kuo-Chun
Mai Lam T.
Okumoto Victor H.
Oridus Inc.
Tokar Michael
LandOfFree
Method for generating information for a window view of an... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for generating information for a window view of an..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for generating information for a window view of an... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3072203