Patents by Inventor Seong Chung
Seong Chung 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: 12227386Abstract: A replaceable stack sheet replaceably provided in a medium integration/separation device to guide integration of a medium according to an embodiment includes a body which is coupled to a rotary shaft and in which a plurality of support shafts are spaced apart from each other in a circumferential direction, and a plurality of sheet pieces having ends rotatably coupled to the plurality of support shafts.Type: GrantFiled: October 20, 2022Date of Patent: February 18, 2025Assignee: HYOSUNG TNS INC.Inventors: Jong Seong Park, Ju Il Ahn, Hyun Sung Chung
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Publication number: 20250046629Abstract: An ion beam etching apparatus comprising a plasma chamber, a plasma source disposed on top of the plasma chamber and configured to generate plasma, a process chamber defining a treating area where a substrate is treated, a grid structure disposed between the process chamber and the plasma chamber, wherein the grid structure receives the plasma, and supplies ions or radicals toward the substrate, a discharge line connected to the grid structure, and a first pumping system connected to the discharge line, wherein particles or polymers within the grid structure are discharged through the discharge line.Type: ApplicationFiled: February 26, 2024Publication date: February 6, 2025Applicants: Samsung Electronics Co., Ltd., RESEARCH AND BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Geun Young YEOM, Jin Woo PARK, Sang Wuk PARK, Yun A LEE, Chan Mi LEE, Sang Gyo CHUNG, Yun Jong JANG, Hae In KWON, Hong Seong GIL, Doo San KIM
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Publication number: 20250022784Abstract: A method of manufacturing a semiconductor device having a semiconductor die within an extended substrate and a bottom substrate may include bonding a bottom surface of a semiconductor die to a top surface of a bottom substrate, forming an adhering member to a top surface of the semiconductor die, bonding an extended substrate to the semiconductor die and to the top surface of the bottom substrate utilizing the adhering member and a conductive bump on a bottom surface of the extended substrate and a conductive bump on the bottom substrate. The semiconductor die and the conductive bumps may be encapsulated utilizing a mold member. The conductive bump on the bottom surface of the extended substrate may be electrically connected to a terminal on the top surface of the extended substrate. The adhering member may include a laminate film, a non-conductive film adhesive, or a thermal hardening liquid adhesive.Type: ApplicationFiled: September 27, 2024Publication date: January 16, 2025Inventors: Jae Yun Kim, Gi Tae Lim, Woon Kab Jung, Ju Hoon Yoon, Dong Joo Park, Byong Woo Cho, Gyu Wan Han, Ji Young Chung, Jin Seong Kim, Do Hyun Na
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Publication number: 20230411519Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: ApplicationFiled: September 6, 2023Publication date: December 21, 2023Applicant: Key Foundry Co., Ltd.Inventors: Jin Seong CHUNG, Tae Hoon LEE
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Patent number: 11791409Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: GrantFiled: January 5, 2023Date of Patent: October 17, 2023Assignee: KEY FOUNDRY CO., LTD.Inventors: Jin Seong Chung, Tae Hoon Lee
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Publication number: 20230145810Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: ApplicationFiled: January 5, 2023Publication date: May 11, 2023Applicant: Key Foundry Co., Ltd.Inventors: Jin Seong CHUNG, Tae Hoon LEE
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Patent number: 11581434Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: GrantFiled: August 12, 2021Date of Patent: February 14, 2023Assignee: KEY FOUNDRY CO., LTD.Inventors: Jin Seong Chung, Tae Hoon Lee
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Patent number: 11568911Abstract: Provided is a method of operating a magnetic memory system. The method of operating the magnetic memory system includes: preparing a plurality of magnetic memory cells; classifying the magnetic memory cells into a plurality of magnetic memory cell groups by using program current values of the magnetic memory cells; constructing a magnetic memory system by hierarchizing the magnetic memory cell groups; and primarily performing programming by selecting one magnetic memory cell group from the hierarchized magnetic memory cell groups according to an external temperature.Type: GrantFiled: May 24, 2021Date of Patent: January 31, 2023Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Taewhan Kim, Woo Seong Chung
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Publication number: 20210376147Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: ApplicationFiled: August 12, 2021Publication date: December 2, 2021Applicant: Key Foundry Co., Ltd.Inventors: Jin Seong CHUNG, Tae Hoon LEE
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Patent number: 11121253Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: GrantFiled: March 4, 2020Date of Patent: September 14, 2021Assignee: Key Foundry Co., Ltd.Inventors: Jin Seong Chung, Tae Hoon Lee
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Publication number: 20210104630Abstract: A semiconductor device includes a deep well region located on a substrate, a drift region located in the deep well region, a first gate electrode that overlaps with the first body region and the drift region, a second gate electrode that overlaps with the second body region and the drift region, a first source region and a second source region located in the first and second body regions, respectively, a drain region located in the drift region and disposed between the first gate electrode and the second gate electrode, a silicide layer located on the substrate, a first non-silicide layer located between the drain region and the first gate electrode, wherein the first non-silicide layer extends over a top surface of the first gate electrode, and a first field plate contact plug in contact with the first non-silicide layer.Type: ApplicationFiled: March 4, 2020Publication date: April 8, 2021Applicant: KEY FOUNDRY CO., LTD.Inventors: Jin Seong CHUNG, Tae Hoon LEE
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Patent number: 10680080Abstract: A method for manufacturing a semiconductor device includes forming a gate insulation film and a polysilicon layer on a substrate, forming a polysilicon pattern by etching the polysilicon layer, forming an opening in the polysilicon pattern that exposes a part of the polysilicon pattern by forming a mask pattern on the polysilicon pattern, forming a gate electrode by etching the part of the polysilicon pattern exposed through the opening, forming a P-type body region by ion implanting a P-type dopant onto the substrate using the gate electrode as a mask, forming an N-type LDD region on the P-type body region by ion implanting an N-type dopant onto the substrate using the gate electrode as a mask, forming a spacer on a side surface of the gate electrode, and forming an N-type source region on a side surface of the spacer.Type: GrantFiled: October 17, 2018Date of Patent: June 9, 2020Assignee: MagnaChip Semiconductor, Ltd.Inventors: Tae Hoon Lee, Jun Hee Cho, Jin Seong Chung
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Patent number: 10566422Abstract: A power semiconductor device includes a drain region and a source region disposed on a substrate, a gate insulating layer and a gate electrode disposed on the substrate and disposed between the drain region and the source region, a protection layer in contact with a top surface of the substrate and a top surface of the gate electrode, a source contact plug connected to the source region, a drain contact plug connected to the drain region, and a field plate plug in contact with the protection layer, wherein a width of the field plate plug is greater than a width of the source contact plug or a width of the drain contact plug.Type: GrantFiled: August 3, 2018Date of Patent: February 18, 2020Assignee: MagnaChip Semiconductor, Ltd.Inventors: Tae Hoon Lee, Jun Hee Cho, Jin Seong Chung
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Publication number: 20190386117Abstract: A method for manufacturing a semiconductor device includes forming a gate insulation film and a polysilicon layer on a substrate, forming a polysilicon pattern by etching the polysilicon layer, forming an opening in the polysilicon pattern that exposes a part of the polysilicon pattern by forming a mask pattern on the polysilicon pattern, forming a gate electrode by etching the part of the polysilicon pattern exposed through the opening, forming a P-type body region by ion implanting a P-type dopant onto the substrate using the gate electrode as a mask, forming an N-type LDD region on the P-type body region by ion implanting an N-type dopant onto the substrate using the gate electrode as a mask, forming a spacer on a side surface of the gate electrode, and forming an N-type source region on a side surface of the spacer.Type: ApplicationFiled: October 17, 2018Publication date: December 19, 2019Applicant: Magnachip Semiconductor, Ltd.Inventors: Tae Hoon LEE, Jun Hee CHO, Jin Seong CHUNG
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Publication number: 20190288066Abstract: A power semiconductor device includes a drain region and a source region disposed on a substrate, a gate insulating layer and a gate electrode disposed on the substrate and disposed between the drain region and the source region, a protection layer in contact with a top surface of the substrate and a top surface of the gate electrode, a source contact plug connected to the source region, a drain contact plug connected to the drain region, and a field plate plug in contact with the protection layer, wherein a width of the field plate plug is greater than a width of the source contact plug or a width of the drain contact plug.Type: ApplicationFiled: August 3, 2018Publication date: September 19, 2019Applicant: Magnachip Semiconductor, Ltd.Inventors: Tae Hoon LEE, Jun Hee CHO, Jin Seong CHUNG
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Publication number: 20160287651Abstract: The present invention relates to a solid preparation including a Pelargonium sidoides extract and a silicic acid compound, which is allowed to be formulated in a solid form by direct adsorption of the Pelargonium sidoides extract onto a silicic acid compound, and a preparation method thereof. Since the solid preparation including the Pelargonium sidoides extract and the silicic acid compound of the present invention has higher stability than a liquid preparation such as syrup, and has no additives such as sugars, there is no concern about microbial contamination or spoilage of the preparation. In addition, it is possible to pack the solid preparation individually. Since the solid preparation is smaller in volume than the liquid preparation, it is highly portable, and there is also a convenience that no additional tools are needed to take the drug. Further, the active ingredient can be taken at the equal amount every time.Type: ApplicationFiled: December 19, 2014Publication date: October 6, 2016Applicant: Korea United Pharm. Inc.Inventors: Youn Woong Choi, Byung Gu Min, Sang Min Cho, Do Hyoung Ki, Ji Hyun Ahn, Byung Hoon Lee, Hyung Joon Jun, Won Tae Jung, Kyu Yeol Nam, Dong Gyu Lee, Jin Seong Chung
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Patent number: 7982995Abstract: A method of writing data using a coercivity distribution of a data storage medium, including mapping the coercivity distribution of the data storage medium including a plurality of write spots in which data can be written, measuring a current ambient temperature, and if the ambient temperature is higher than a room temperature, selecting a write spot having a relatively large coercivity to receive write data, and if the ambient temperature is lower than the room temperature, selecting a write spot having a relatively small coercivity to receive the write data.Type: GrantFiled: July 30, 2007Date of Patent: July 19, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-seong Chung, Sang-hyub Lee
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Publication number: 20080043359Abstract: A method of writing data using a coercivity distribution of a data storage medium, including mapping the coercivity distribution of the data storage medium including a plurality of write spots in which data can be written, measuring a current ambient temperature, and if the ambient temperature is higher than a room temperature, selecting a write spot having a relatively large coercivity to receive write data, and if the ambient temperature is lower than the room temperature, selecting a write spot having a relatively small coercivity to receive the write data.Type: ApplicationFiled: July 30, 2007Publication date: February 21, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-seong CHUNG, Sang-hyub Lee
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Publication number: 20070217525Abstract: A frequency tracking method and apparatus is provided. A receiver receives OFDM symbols and determines associated frequency offset. A frequency error estimator selects a cross correlation window for determining frequency offset based on timing offset. A symbol timing estimator is used to determine the timing offset.Type: ApplicationFiled: March 15, 2006Publication date: September 20, 2007Inventors: Bojan Vrcelj, Raghuraman Krishnamoorthi, Seong Chung, Fuyun Ling
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Publication number: 20070179782Abstract: Methods and apparatus for frequency tracking of a received signal. In an aspect, a method is provided wherein the received signal comprises one or more symbols having a periodic structure. The method comprises receiving a plurality of samples of a selected symbol that comprises pilot signals scrambled with data and determining a window size and a periodicity factor. The method also comprises accumulating a correlation between samples in a first window and samples in a second window to produce an accumulated correlation value, wherein the first and second windows have a size and a separation based on the window size and the periodicity factor, respectively, and deriving a frequency error estimate based on the accumulated correlation value.Type: ApplicationFiled: November 8, 2006Publication date: August 2, 2007Applicant: QUALCOMM IncorporatedInventors: Seong Chung, Krishna Mukkavilli, Vinay Murthy, Tao Tian