Patents by Inventor Seung-Duk Cho
Seung-Duk Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8760918Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: GrantFiled: August 15, 2011Date of Patent: June 24, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Patent number: 8705272Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: GrantFiled: August 15, 2011Date of Patent: April 22, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Patent number: 8638585Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: GrantFiled: August 12, 2011Date of Patent: January 28, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Patent number: 8625344Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: GrantFiled: August 15, 2011Date of Patent: January 7, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Patent number: 8614919Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: GrantFiled: August 15, 2011Date of Patent: December 24, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Patent number: 8565021Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: GrantFiled: August 11, 2011Date of Patent: October 22, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20130151760Abstract: Disclosed is a memory system which includes a nonvolatile memory device configured to store data information; and a memory controller configured to control the nonvolatile memory device. The memory controller provides the nonvolatile memory device with a program command sequence including program speed information according to an urgency level of an internally requested program operation.Type: ApplicationFiled: August 31, 2012Publication date: June 13, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-Duk CHO, Hojun SHIM, Kijo JUNG
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Publication number: 20130035503Abstract: A sulfonium compound represented by the following formula (1), a photoacid generator containing the sulfonium compound, and a resist composition containing the photoacid generator are provided: wherein X represents an electron donor group; R1 and R2 each independently represent an alkyl group or the like; R4 to R6 each independently represent an alkyl group, or the like; R3 represents a cyclic alkenediyl group or the like; and ?A represents an anion. The sulfonium compound has a photon yield that is controllable by introducing different absorbers to the cation region in one molecule, can address the inconvenience of using a mixture of different photoacid generators when the sulfonium compound is applied as a photoacid generator, has excellent miscibility in a resist, and has enhanced resolution and line edge roughness.Type: ApplicationFiled: July 25, 2012Publication date: February 7, 2013Applicant: Korea Kumho Petrochemical Co., Ltd.Inventors: Jung Hoon OH, Dae Kyung Yoon, Seung Duk Cho, So Jeong Park
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Patent number: 8357482Abstract: A light absorbent for forming an organic anti-reflective layer, represented by the following formula 1 or formula 2, is provided: wherein A represents a substituted or unsubstituted, linear or branched, saturated tetravalent hydrocarbon group, a substituted or unsubstituted, linear or branched, saturated hydrocarbon group and containing one or more heteroatoms, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group, a substituted or unsubstituted alicyclic group, a substituted or unsubstituted heteroalicyclic group, a substituted or unsubstituted diaryl ether, a substituted or unsubstituted diaryl sulfide, a substituted or unsubstituted diaryl sulfoxide, a substituted or unsubstituted diaryl ketone, or a substituted or unsubstituted diaryl bisphenol A; R1, R2, and R3 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted acetal group,Type: GrantFiled: July 19, 2011Date of Patent: January 22, 2013Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Jong-Don Lee, Jun-Ho Lee, Shin-Hyo Bae, Seung-Hee Hong, Seung-Duk Cho
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Patent number: 8335871Abstract: Provided are a memory system and a method of driving the same. The method includes setting microcodes in a top control sequencer and multiple channel control sequencers, and executing the microcode set in the top control sequencer. The method may further include checking execution results of the microcode.Type: GrantFiled: September 26, 2008Date of Patent: December 18, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-Jun Shim, Je-Hyuck Song, Seung-Duk Cho
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Publication number: 20120203030Abstract: A photoacid generator represented by the following formula (1), a method for producing the photoacid generator, and a resist composition containing the photoacid generator are provided. wherein in the formula (1), Y, X, R1, R2, n1, n2 and A+ have the same meanings as defined in the detailed description of the invention. The photoacid generator can maintain an appropriate contact angle at the time of ArF liquid immersion lithography, can reduce defects occurring during liquid immersion lithography, and has excellent solubility in resist solvents and excellent compatibility with resins. Furthermore, the photoacid generator can be produced by an efficient and simple method using an epoxy compound that is industrially easily available.Type: ApplicationFiled: February 7, 2012Publication date: August 9, 2012Applicant: Korea Kumho Petrochemical Co., Ltd.Inventors: Jung Hoon OH, Dae Kyung Yoon, Yong Hwa Hong, Seung Duk Cho
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Publication number: 20110307646Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: ApplicationFiled: August 12, 2011Publication date: December 15, 2011Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20110299335Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: ApplicationFiled: August 11, 2011Publication date: December 8, 2011Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20110302468Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20110299338Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20110302476Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20110302352Abstract: A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Publication number: 20110272643Abstract: A light absorbent for forming an organic anti-reflective layer, represented by the following formula 1 or formula 2, is provided: wherein A represents a substituted or unsubstituted, linear or branched, saturated tetravalent hydrocarbon group, a substituted or unsubstituted, linear or branched, saturated hydrocarbon group and containing one or more heteroatoms, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group, a substituted or unsubstituted alicyclic group, a substituted or unsubstituted heteroalicyclic group, a substituted or unsubstituted diaryl ether, a substituted or unsubstituted diaryl sulfide, a substituted or unsubstituted diaryl sulfoxide, a substituted or unsubstituted diaryl ketone, or a substituted or unsubstituted diaryl bisphenol A; R1, R2, and R3 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted acetal group,Type: ApplicationFiled: July 19, 2011Publication date: November 10, 2011Applicant: Korea Kumho Petrochemical Co., Ltd.Inventors: Jong-Don Lee, Jun-Ho Lee, Shin-Hyo Bae, Seung-Hee Hong, Seung-Duk Cho
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Patent number: 8027194Abstract: One embodiment of a nonvolatile memory device includes a memory cell array including a plurality of multi-level cells, and a control unit configured to determine a characteristic of data to be stored in the memory cell array. The control unit is configured to select one of plural multi-bit programming methods based on the determination. Data is stored in the memory cell array according to the selected multi-bit programming method, and at least one of the plural multi-bit programming methods maintains least significant bit data when there is a program fail of most significant bit data.Type: GrantFiled: June 12, 2009Date of Patent: September 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jaesoo Lee, Kangho Roh, Wonhee Cho, Hojun Shim, Youngjoon Choi, Jaehoon Heo, Je-Hyuck Song, Seung-Duk Cho, Seontaek Kim, Moonwook Oh, Jong Tae Park, Wonmoon Cheon, Chanik Park, Yang-sup Lee
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Patent number: 8021826Abstract: The present invention provides an organic anti-reflection coating composition comprising a copolymer represented by the following Formula 1, a light absorbent, a thermal acid generating agent, and a curing agent: wherein R1, R2 and R3 are each independent to each; R1 represents hydrogen or an alkyl group having 1 to 10 carbon atoms; R2 represents hydrogen, an alkyl group having 1 to 10 carbon atoms or an arylalkyl group having 1 to 20 carbon atoms; R3 is hydrogen or a methyl group; m and n are repeating units in the main chain, while m+n=1, and they have values of 0.05<m/(m+n)<0.95 and 0.05<n/(m+n)<0.95. The anti-reflection coating using the polymer of the invention has excellent adhesiveness and storage stability, and a very high dry etching rate, and exhibits excellent resolution in both C/H patterns and L/S patterns.Type: GrantFiled: June 19, 2008Date of Patent: September 20, 2011Assignee: Korea Kumho Petrochemicals Co., Ltd.Inventors: Myung-Woong Kim, Joo-Hyeon Park, Young-Taek Lim, Hyung-Gi Kim, Jun-Ho Lee, Jong-Don Lee, Seung-Duk Cho