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Patent applications and USPTO patent grants for Powership Semiconductor Corp..The latest application filed is for "off-axis light source, light screen plate, and method of defining different types of patterns with single exposure".
Patent | Date |
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Off-axis Light Source, Light Screen Plate, And Method Of Defining Different Types Of Patterns With Single Exposure App 20100060871 - Chang; Yi-Shiang | 2010-03-11 |
Non-volatile memory device and manufacturing method and operating method thereof Grant 7,452,775 - Wong , et al. November 18, 2 | 2008-11-18 |
Flash memory cell structure and operating method thereof Grant 7,436,707 - Hung , et al. October 14, 2 | 2008-10-14 |
Flash memory cell, flash memory cell array and manufacturing method thereof Grant 6,911,690 - Hsu , et al. June 28, 2 | 2005-06-28 |
Sputtering apparatus and manufacturing method of metal layer/metal compound layer by using thereof Grant 6,811,662 - Liu November 2, 2 | 2004-11-02 |
Probe card with ground shield structure to minimize noise coupling effect during multiple-chip testing Grant 5,949,245 - Liu September 7, 1 | 1999-09-07 |
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