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Shanghai Huahong Grace Semiconductor Manufacturing Corporation patents


Recent patent applications related to Shanghai Huahong Grace Semiconductor Manufacturing Corporation. Shanghai Huahong Grace Semiconductor Manufacturing Corporation is listed as an Agent/Assignee. Note: Shanghai Huahong Grace Semiconductor Manufacturing Corporation may have other listings under different names/spellings. We're not affiliated with Shanghai Huahong Grace Semiconductor Manufacturing Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Shanghai Huahong Grace Semiconductor Manufacturing Corporation-related inventors


Method for processing the lef diagram of a layout

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.. ... Shanghai Huahong Grace Semiconductor Manufacturing Corporation

Circuits and methods of reference-current generation for flash

A reference-current generation method for flash includes first and second memory arrays separated by a word-line switching circuit. A reference-current generation circuit includes rows of reference cells, the first row parallel with the other rows of the first memory array and having the same number of columns as the other rows thereof, and the second row parallel with the other rows of the second memory array and having the same number of columns as the other rows thereof. ... Shanghai Huahong Grace Semiconductor Manufacturing Corporation

Sampling method and apparatus applied to opc of lithography layout

A sampling method and apparatus applied to optical proximity correction of a lithography layout are provided in the present disclosure. The sampling method includes: performing wavelet decomposition to a pattern in the layout to be corrected, to acquire wavelet matrixes of different orders; and performing wavelet reconstruction according to the wavelet matrixes of the different orders for discrete sampling, wherein results of the discrete sampling are applied to simulation in the opc. ... Shanghai Huahong Grace Semiconductor Manufacturing Corporation

Mosfet and a method for manufacturing the same

A mosfet including a source region and a drain region are unsymmetrical in structure, with the horizontal junction depth of the drain region being greater than that of the source region, and the vertical junction depth of the drain region being greater than that of the source region; the breakdown voltage of the device can be raised by increasing the horizontal and vertical junction depths of the drain region, and the horizontal dimension of the device can be diminished by reducing the horizontal and vertical junction depths of the source region; a gate dielectric layer is unsymmetrical in structure-and the gidl effect in the device can be reduced by increasing the thickness of the first gate dielectric section, and the driving current of the device can be increased by reducing the thickness of the second gate dielectric section.. . ... Shanghai Huahong Grace Semiconductor Manufacturing Corporation

Dummy pattern filling method

A dummy pattern filling method, including: step i, determining the rule of filling dummy patterns, in accordance with required dr values and isolation rules of patterns; step ii, finding out blank fields within said layout that need to be filled with dummy patterns; step iii, by following said rule of filling dummy patterns, filling dummy patterns within blank fields on layouts. Implementing a smart dummy pattern filling, which enables the data ratio (dr) of dummy patterns to come infinitely close the required dr value after completing the filling of dummy patterns.. ... Shanghai Huahong Grace Semiconductor Manufacturing Corporation








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