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:
Mar. 05, 2013
Filed:
Aug. 05, 2010
Ku-feng Lin, Taipei County, TW;
Meng-fan Chang, Taichung, TW;
Shyh-shyuan Sheu, Hsinchu County, TW;
Pei-chia Chiang, Taipei, TW;
Wen-pin Lin, Changhua County, TW;
Chih-he Lin, Yunlin County, TW;
Ku-Feng Lin, Taipei County, TW;
Meng-Fan Chang, Taichung, TW;
Shyh-Shyuan Sheu, Hsinchu County, TW;
Pei-Chia Chiang, Taipei, TW;
Wen-Pin Lin, Changhua County, TW;
Chih-He Lin, Yunlin County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A process variation detection apparatus and a process variation detection method are provided. The process variation detection apparatus includes a process variation detector and a compensation signal generator. The process variation detector includes a first process variation detection component, a second process variation detection component and a current comparator. The channel of the first process variation detection component is a first conductive type, and the channel of the second process variation detection component is a second conductive type, wherein the above-mentioned first conductive type is different from the second conductive type. The current comparator is connected to the first process variation detection component and the second process variation detection component for comparing the current difference between the two components and outputting a current comparison result. The compensation signal generator is connected to the process variation detector, and produces a corresponding compensation signal according to the current comparison result.