Patents by Inventor Sang-beom Kang

Sang-beom Kang 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).

  • Publication number: 20240112948
    Abstract: A manufacturing method for a semiconductor device, includes: forming a first gate structure and a second gate structure on a substrate; forming a deep trench isolation (DTI) hard mask on the first and second gate structures; forming a deep trench isolation disposed between the first gate structure and the second gate structure; depositing a first undoped oxide layer in the deep trench isolation; performing a first etch-back process on the first undoped oxide layer to remove a portion of the undoped oxide layer; depositing a first deep trench isolation (DTI) gap-fill layer on a remaining portion of the undoped oxide layer, and performing a second etch-back process on the first DTI gap-fill layer; depositing a second DTI gap-fill layer to seal the deep trench isolation, and forming a planarized second DTI gap-fill layer by a planarization process; and depositing a second undoped layer on the planarized second DTI gap-fill layer.
    Type: Application
    Filed: February 28, 2023
    Publication date: April 4, 2024
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Yang Beom KANG, Sang Min HAN, Seong Hyun KIM
  • Patent number: 11939282
    Abstract: The present disclosure provides a method for decomposing a phenolic by-product, the method including: a step S10 of injecting and mixing a bisphenol A by-product produced in a bisphenol A production process, a mixed by-product stream of phenol by-products produced in a phenol production process, a decomposition apparatus side discharge stream, and a process water stream in a mixing apparatus; a step S20 of injecting a mixing apparatus discharge stream discharged from the mixing apparatus into a phase separation apparatus and phase-separating the mixing apparatus discharge stream into an oil-phase stream and a liquid-phase stream; a step S30 of feeding the oil-phase stream, which is phase-separated in the step S20 and discharged from the phase separation apparatus, to a decomposition apparatus to decompose the oil-phase stream; and a step S40 of circulating the decomposition apparatus side discharge stream obtained by the decomposition in the step S30 to the mixing apparatus in the step S10.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Min Suk Kang, Sang Beom Lee, Joon Ho Shin
  • Patent number: 10446207
    Abstract: A magnetic random access memory (MRAM), and a memory module, memory system including the same, and method for controlling the same are disclosed. The MRAM includes magnetic memory cells configured to change between at least two states according to a magnetization direction, and a mode register supporting a plurality of operational modes.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan-kyung Kim, Dong-seok Kang, Hye-jin Kim, Chul-woo Park, Dong-hyun Sohn, Yun-sang Lee, Sang-beom Kang, Hyung-rock Oh, Soo-ho Cha
  • Patent number: 10204670
    Abstract: A magnetic random access memory (MRAM), and a memory module, memory system including the same, and method for controlling the same are disclosed. The MRAM includes magnetic memory cells configured to change between at least two states according to a magnetization direction, and a mode register supporting a plurality of operational modes.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: February 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan-kyung Kim, Dong-seok Kang, Hye-jin Kim, Chul-woo Park, Dong-hyun Sohn, Yun-sang Lee, Sang-beom Kang, Hyung-rock Oh, Soo-ho Cha
  • Patent number: 9183910
    Abstract: A semiconductor memory device includes a cell array including one or more bank groups, where each of the one or more bank groups includes a plurality of banks and each of the plurality of banks includes a plurality of spin transfer torque magneto resistive random access memory (STT-MRAM) cells. The semiconductor memory device further includes a source voltage generating unit for applying a voltage to a source line connected to the each of the plurality of STT-MRAM cells, and a command decoder for decoding a command from an external source in order to perform read and write operations on the plurality of STT-MRAM cells. The command includes a combination of at least one signal of a row address strobe (RAS), a column address strobe (CAS), a chip selecting signal (CS), a write enable signal (WE), and a clock enable signal (CKE).
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Sang Lee, Dong-Seok Kang, Sang-Beom Kang, Chan-Kyung Kim, Chul-Woo Park, Dong-Hyun Sohn, Hyung-Rok Oh
  • Patent number: 9147500
    Abstract: A semiconductor memory device includes a memory cell array, a mode register set and a test circuit. The memory cell array includes a plurality of wordlines, a plurality of bitlines, and a plurality of spin-transfer torque magneto-resistive random access memory (STT-MRAM) cells, and each STT-MRAM cell disposed in a cross area of each wordline and bitline, and the STT-MRAM cell includes a magnetic tunnel junction (MTJ) element and a cell transistor. A gate of the cell transistor is coupled to a wordline, a first electrode of the cell transistor is coupled to a bitline via the MTJ element, and a second electrode of the cell transistor is coupled to a source line. The mode register set is configured to set a test mode, and the test circuit is configured to perform a test operation by using the mode register set.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: September 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye-Jin Kim, Hyung-Rok Oh, Dong-Seok Kang, Dong-Hyun Sohn, Sang-Beom Kang, Chul-Woo Park, Yun-Sang Lee
  • Patent number: 9042152
    Abstract: A non-volatile memory device including a cell array, which includes a plurality of memory cells, and a sense amplification circuit. The sense amplification circuit is configured to receive a data voltage of a memory cell, a first reference voltage and a second reference voltage during a data read operation of the memory cell, generate differential output signals based on a voltage level difference between the data voltage and the first and second reference voltages, and output the differential output signals as data read from the memory cell.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: May 26, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-kyung Kim, Hong-sun Hwang, Chul-woo Park, Sang-beom Kang, Hyung-rok Oh
  • Patent number: 8780656
    Abstract: A stacked semiconductor memory device comprises memory cell array layers that are stacked in an inverted wedge shape and have different redundancy sizes from each other. The stacked semiconductor memory device has space for vertical connection between layers, a relatively small size, and a relatively high yield.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: July 15, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul-Woo Park, Hong-Sun Hwang, Sang-Beom Kang, Won-Seok Lee
  • Patent number: 8780617
    Abstract: A semiconductor memory device includes a cell array having a plurality of memory cells, each memory cell including a resistive element and a cell transistor between a bit line and a source line, and a source line voltage supply unit configured to supply, in a normal mode, a reference source line voltage to the source line, and in a test mode, a first source line voltage to the source line when data in a first state is recorded and a second source line voltage to the source line when data in a second state is recorded, the first source line voltage being lower than the reference source line voltage, and the second source line voltage being higher than the reference source line voltage.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: July 15, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-beom Kang, Joon-hyung Lee
  • Patent number: 8711649
    Abstract: A method of changing a parameter in a semiconductor device is provided. The method includes receiving and storing data in a storage region; and changing at least one between a DC characteristic and an AC timing characteristic of a parameter, used to access a non-volatile memory cell included in a memory core of the semiconductor device, according to the data stored in the storage.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: April 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Chul Woo Park, Sang Beom Kang, Hyun Ho Choi, Jung Min Lee, Seung Eon Ahn
  • Patent number: 8677216
    Abstract: A stacked semiconductor memory device includes an error correction code (ECC) controller that controls the number of bits in an ECC word and corrects errors in memory cell array layers using the ECC word.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul-Woo Park, Hong-Sun Hwang, Kwan-Young Oh, Sang-Beom Kang
  • Patent number: 8654595
    Abstract: A nonvolatile memory device comprises a nonvolatile cell array comprising a memory cell and a reference cell, a clamping circuit electrically connected to the memory cell and configured to clamp a voltage applied to a data sensing line during a read operation, and a clamping voltage generation unit configured to generate a clamping voltage responsive to a first voltage having a level based on the reference cell, and to feed back the clamping voltage to the clamping circuit.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: February 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-Kyung Kim, Hong-Sun Hwang, Chul-Woo Park, Sang-Beom Kang, Hyung-Rok Oh
  • Publication number: 20140022836
    Abstract: A semiconductor memory device includes a memory cell array, a mode register set and a test circuit. The memory cell array includes a plurality of wordlines, a plurality of bitlines, and a plurality of spin-transfer torque magneto-resistive random access memory (STT-MRAM) cells, and each STT-MRAM cell disposed in a cross area of each wordline and bitline, and the STT-MRAM cell includes a magnetic tunnel junction (MTJ) element and a cell transistor. The MTJ element includes a free layer, a barrier layer and a pinned layer. A gate of the cell transistor is coupled to a wordline, a first electrode of the cell transistor is coupled to a bitline via the MTJ element, and a second electrode of the cell transistor is coupled to a source line. The mode register set is configured to set a test mode, and the test circuit is configured to perform a test operation by using the mode register set.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 23, 2014
    Inventors: Hye-Jin KIM, Hyung-Rok OH, Dong-Seok KANG, Dong-Hyun SOHN, Sang-Beom KANG, Chul-Woo PARK, Yun-Sang LEE
  • Patent number: 8611121
    Abstract: A stacked memory device may include a substrate, a plurality of memory groups sequentially stacked on the substrate, each memory group including at least one memory layer, a plurality of X-decoder layers, at least one of the plurality of X-decoder layers being disposed between every alternate neighboring two of the plurality of memory groups, and a plurality of Y-decoder layers disposed alternately with the plurality of X-decoder layers, at least one of the plurality of Y-decoder layers being disposed between every alternate neighboring two of the plurality of memory groups.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: December 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-eon Ahn, Ho-jung Kim, Chul-woo Park, Sang-beom Kang, Hyun-ho Choi
  • Publication number: 20130322162
    Abstract: A semiconductor memory device includes a cell array including one or more bank groups, where each of the one or more bank groups includes a plurality of banks and each of the plurality of banks includes a plurality of spin transfer torque magneto resistive random access memory (STT-MRAM) cells. The semiconductor memory device further includes a source voltage generating unit for applying a voltage to a source line connected to the each of the plurality of STT-MRAM cells, and a command decoder for decoding a command from an external source in order to perform read and write operations on the plurality of STT-MRAM cells.
    Type: Application
    Filed: May 31, 2013
    Publication date: December 5, 2013
    Inventors: YUN-SANG LEE, DONG-SEOK KANG, SANG-BEOM KANG, CHAN-KYUNG KIM, CHUL-WOO PARK, DONG-HYUN SOHN, HYUNG-ROK OH
  • Publication number: 20130311717
    Abstract: A magnetic random access memory (MRAM), and a memory module, memory system including the same, and method for controlling the same are disclosed. The MRAM includes magnetic memory cells configured to change between at least two states according to a magnetization direction, and a mode register supporting a plurality of operational modes.
    Type: Application
    Filed: February 15, 2013
    Publication date: November 21, 2013
    Applicants: GLOBIT CO., LTD., DIGITAL MEDIA RESEARCH INSTITUTE, INC.
    Inventors: Chan-kyung Kim, Dong-seok Kang, Hye-jin Kim, Chul-woo Park, Dong-hyun Sohn, Yun-sang Lee, Sang-beom Kang, Hyung-rok Oh, Soo-ho Cha
  • Patent number: 8589767
    Abstract: A device, e.g., a semiconductor memory device, includes a plurality of memory cells, each configured to store at least one data bit and a plurality of error correction code (ECC) cells configured to redundantly store ECC bits for the memory cells. According to some embodiments, the plurality of ECC cells includes a plurality of pairs of ECC cells configured to store an ECC bit and a complement thereof. According to further embodiments, the plurality of ECC cells includes a plurality of groups of at least three ECC cells configured to store identical copies of an ECC bit.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: November 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Beom Kang, Chul Woo Park, Hyun Ho Choi, Ho Jung Kim
  • Publication number: 20130148405
    Abstract: A semiconductor memory device includes a cell array having a plurality of memory cells, each memory cell including a resistive element and a cell transistor between a bit line and a source line, and a source line voltage supply unit configured to supply, in a normal mode, a reference source line voltage to the source line, and in a test mode, a first source line voltage to the source line when data in a first state is recorded and a second source line voltage to the source line when data in a second state is recorded, the first source line voltage being lower than the reference source line voltage, and the second source line voltage being higher than the reference source line voltage.
    Type: Application
    Filed: October 17, 2012
    Publication date: June 13, 2013
    Inventors: Sang-beom KANG, Joon-hyung LEE
  • Patent number: 8422328
    Abstract: A semiconductor device, a semiconductor system including the same, and a voltage supply method of the semiconductor device are provided. The semiconductor device includes at least two semiconductor memory devices and a voltage supply controller configured to selectively supply a voltage to each of the at least two semiconductor memory devices.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Chul Woo Park, Sang Beom Kang, Jung Min Lee, Hyun Ho Choi
  • Patent number: 8406029
    Abstract: In a memory device and in a method for controlling a memory device, the memory device comprises a magnetic structure that stores information in a plurality of domains of the magnetic structure. A read unit reads information from at least one of the plurality of domains of the magnetic structure by applying a read current to the magnetic structure. A position detector unit compares the information read by a read current from the read unit from multiple domains of the plurality of domains of the magnetic structure to identify the presence of an expected information pattern at select domains of the plurality of domains.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: March 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, Chul-woo Park, Sang-beom Kang, Jong-wan Kim, Hyun-ho Choi, Young-pil Kim, Sung-chul Lee