The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2019
Filed:
May. 31, 2017
Applicant:
Shanghai Huahong Grace Semiconductor Manufacturing Corporation, Shanghai, CN;
Inventor:
Xingzhou Zhang, Shanghai, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/187 (2017.01); G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
G06T 7/187 (2017.01); G06F 17/5068 (2013.01);
Abstract
A method for processing the Library Exchange Format (LEF) diagram of a layout includes the following steps: Step 1, breaking the LEF diagram into multiple rectangular segments; Step 2, numbering all rectangular segments; and Step 3, combining rectangular segments to obtain a larger rectangular segment and replacing corresponding uncombined rectangular segments with the larger combined rectangular segment. The method reduces the data size of the LEF file and increase the data transmission efficiency of the LEF file.