Patents by Inventor Woo Chul Shin
Woo Chul Shin 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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Publication number: 20220246359Abstract: The multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and first and second internal electrodes disposed inside the ceramic body, and disposed to oppose each other with the dielectric layer interposed therebetween. When an average thickness of the dielectric layer is referred to as td and a standard deviation of a thickness of the dielectric layer in each position is referred to as ?td, while an average thickness of the first and second internal electrodes is referred to as to and a standard deviation of a thickness of a pre-determined region of any layer of the internal electrodes in each position is referred to as ?te, a ratio (?te/?td) of the standard deviation of the internal electrodes in each position to the standard deviation of the thickness of the dielectric layer in each position satisfies 1.10??te/?td?1.35.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Sung Kim, Hyeong Sik Yun, Woo Chul Shin, Joon Woon Lee
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Publication number: 20220246358Abstract: The multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and first and second internal electrodes disposed inside the ceramic body, and disposed to oppose each other with the dielectric layer interposed therebetween. When an average thickness of the dielectric layer is referred to as td and a standard deviation of a thickness of the dielectric layer in each position is referred to as ?td, while an average thickness of the first and second internal electrodes is referred to as te and a standard deviation of a thickness of a pre-determined region of any layer of the internal electrodes in each position is referred to as ?te, a ratio (?te/?td) of the standard deviation of the internal electrodes in each position to the standard deviation of the thickness of the dielectric layer in each position satisfies 1.10??te/?td?1.35.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Sung Kim, Hyeong Sik Yun, Woo Chul Shin, Joon Woon Lee
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Patent number: 11380488Abstract: A multilayer electronic component includes a silicon (Si) organic compound layer having a body cover portion disposed in a region in which an electrode layer and a conductive resin layer are not disposed, of external surfaces of a body, and an extending portion disposed to extend from the body cover portion between a conductive resin layer and a plating layer of an external electrode, and thus, may improve bending strength and moisture resistance reliability.Type: GrantFiled: March 30, 2020Date of Patent: July 5, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Yeong Kim, Woo Chul Shin, Ji Hong Jo
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Publication number: 20220208475Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and first and second internal electrodes, the capacitor body having first to sixth surfaces, the first internal electrode being exposed through the third, fifth, and sixth surfaces, and the second internal electrode being exposed through the fourth, fifth, and sixth surfaces, a first side portion and a second side portion, respectively disposed on the fifth surface and the sixth surface of the capacitor body, and a first external electrode and a second external electrode, respectively be connected to the first internal electrode and the second internal electrode. The first and second side portions comprise an acicular second phase including a glass comprising aluminum (Al) and silicon (Si), manganese (Mn), and phosphorus (P), and a volume of the second phase is 30% or more with respect to the entire first and second side portions.Type: ApplicationFiled: March 17, 2022Publication date: June 30, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sim Chung KANG, Yong PARK, Woo Chul SHIN, Ki Pyo HONG
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Publication number: 20220209254Abstract: A multiple perforation plate for fuel cell separators includes virtual flow path hole central lines spaced apart from each other at a constant interval in a length direction corresponding to a flow direction of reaction gas and formed in a width direction perpendicular to the flow direction of the reaction gas, a plurality of flow path holes formed at a constant interval on the flow path hole central lines in the width direction, and expansion parts formed at both sides of a middle point of each of the flow path holes in the width direction so as to have a greater width in the length direction than that of other points of each of the flow path holes.Type: ApplicationFiled: June 14, 2021Publication date: June 30, 2022Inventors: Woo Chul Shin, Kyung Min Kim
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Publication number: 20220181089Abstract: A multilayer capacitor includes a capacitor body having an active region, upper and lower cover regions, and width margins on opposing sides of the active region. The width margin includes a first region on an internal side thereof adjacent the first and second internal electrodes and a second region on an external side between the first region and a respective external surface of the capacitor body, and he upper and lower cover regions each include a third region on an internal side thereof adjacent the internal electrodes and a fourth region on an external side between the third region and a respective external surface of the capacitor body. The active region, the second region, and the fourth region have a same dielectric constant A, and the first and third regions have a same dielectric constant B, and A and B are different from each other and satisfy 0.5?B/A.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hwi Dae KIM, Sang Soo PARK, Chan YOON, Woo Chul SHIN, Ji Hong JO
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Patent number: 11355288Abstract: An electronic component is provided, and the electronic component includes: a capacitor array in which a plurality of multilayer capacitors are stacked, the plurality of multilayer capacitors including a body, and first and second external electrodes; first and second metal frames including first and second support portions bonded to the first and second external electrodes of the capacitor array, first and second mounting portions located below the first and second external electrodes and having first and second protrusions protruding downwardly, and first and second connection portions connecting the first and second support portions to the first and second mounting portions, respectively; and a capsule portion encapsulating the capacitor array to expose the first mounting portion of the first metal frame and the second mounting portion of the second metal frame, and having a lower surface provided with a plurality of protruding portions are formed at predetermined intervals.Type: GrantFiled: June 29, 2020Date of Patent: June 7, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ki Young Kim, Jae Young Na, Beom Joon Cho, Ji Hong Jo, Woo Chul Shin
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Publication number: 20220172893Abstract: A multilayer ceramic electronic component includes a ceramic body comprising dielectric layers and first and second internal electrodes laminatedly disposed in a third direction with respective dielectric layers interposed therebetween, and first electrode and second external electrodes disposed on both surfaces of the ceramic body in the first direction and electrically connected to the first and second internal electrodes. When an absolute value of a horizontal angle in the second direction of the first internal electrode with respect to the first surface of the ceramic body is referred to a first angle of the internal electrode, a total sum of the first angles is less than 10°.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hwi Dae KIM, Ji Hong JO, Woo Chul SHIN, Sang Soo PARK, Chan YOON
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Publication number: 20220172892Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode including an electrode layer disposed on the body and connected to the internal electrode, a first plating layer disposed on the electrode layer, and a conductive resin layer disposed on the first plating layer. The first plating layer has surface roughness higher at an interface with the conductive resin layer than at an interface with the electrode layer, and the conductive resin layer includes a conductive metal and a base resin.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho In Jun, Kyeong Jun Kim, Jin Sung Chun, Woo Chul Shin, Seul Gi Kim
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Patent number: 11348727Abstract: A multilayer ceramic electronic component includes a ceramic body comprising dielectric layers and first and second internal electrodes laminatedly disposed in a third direction with respective dielectric layers interposed therebetween, and first electrode and second external electrodes disposed on both surfaces of the ceramic body in the first direction and electrically connected to the first and second internal electrodes. When an absolute value of a horizontal angle in the second direction of the first internal electrode with respect to the first surface of the ceramic body is referred to a first angle of the internal electrode, a total sum of the first angles is less than 10°.Type: GrantFiled: January 29, 2020Date of Patent: May 31, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hwi Dae Kim, Ji Hong Jo, Woo Chul Shin, Sang Soo Park, Chan Yoon
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Patent number: 11342121Abstract: The multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and first and second internal electrodes disposed inside the ceramic body, and disposed to oppose each other with the dielectric layer interposed therebetween. When an average thickness of the dielectric layer is referred to as td and a standard deviation of a thickness of the dielectric layer in each position is referred to as ?td, while an average thickness of the first and second internal electrodes is referred to as to and a standard deviation of a thickness of a pre-determined region of any layer of the internal electrodes in each position is referred to as ?te, a ratio (?te/?td) of the standard deviation of the internal electrodes in each position to the standard deviation of the thickness of the dielectric layer in each position satisfies 1.10??te/?td?1.35.Type: GrantFiled: March 31, 2020Date of Patent: May 24, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Sung Kim, Hyeong Sik Yun, Woo Chul Shin, Joon Woon Lee
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Publication number: 20220131172Abstract: A separator assembly for a fuel cell includes a first separator having tunnel-shaped fastening parts formed on a plurality of points of an edge area thereof, and a second separator having insert parts formed at positions corresponding to each of the fastening parts of the first separator on an edge area thereof to be inserted into the fastening parts, wherein the insert parts of the second separator are inserted into the fastening parts of the first separator to assemble the first separator and the second separator.Type: ApplicationFiled: February 24, 2021Publication date: April 28, 2022Inventors: Jae Hyeon Choi, Woo Chul Shin
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Patent number: 11317002Abstract: An image forming apparatus and method for determining a response delay time for maintaining a long polling connection are provided. In an example, the image forming apparatus includes a communication device to communicate with an external device, a processor, and a memory storing instructions executable by the processor. The processor may execute the instructions to request the external device for a response about whether a job to be performed by the image forming apparatus is present based on a response delay time for long polling the external device by the image forming apparatus. The processor may also execute the instructions to detect an error from the response, adjust the response delay time, and determine a final response delay time for maintaining connection of the long polling by re-adjusting the adjusted response delay time based on a result of performing the long polling based on the adjusted response delay time.Type: GrantFiled: July 16, 2018Date of Patent: April 26, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Woo Chul Shin, Jeong Hun Kim, Seung Wan Lee
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Patent number: 11309132Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and first and second internal electrodes, the capacitor body having first to sixth surfaces, the first internal electrode being exposed through the third, fifth, and sixth surfaces, and the second internal electrode being exposed through the fourth, fifth, and sixth surfaces, a first side portion and a second side portion, respectively disposed on the fifth surface and the sixth surface of the capacitor body, and a first external electrode and a second external electrode, respectively be connected to the first internal electrode and the second internal electrode. The first and second side portions comprise an acicular second phase including a glass comprising aluminum (Al) and silicon (Si), manganese (Mn), and phosphorus (P), and a volume of the second phase is 30% or more with respect to the entire first and second side portions.Type: GrantFiled: April 27, 2020Date of Patent: April 19, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sim Chung Kang, Yong Park, Woo Chul Shin, Ki Pyo Hong
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Patent number: 11302481Abstract: An electronic component and a mounting substrate thereof provide metal frames that reduce stress transmission while occupying only a limited mounting area. The electronic component includes a body, and first and second external electrodes respectively disposed on opposite ends of the body. A first metal frame includes a first support portion bonded to the first external electrode and a first mounting portion extending from a lower end of the first support portion toward the second external electrode. A second metal frame includes a second support portion bonded to the second external electrode and a second mounting portion extending form a lower end of the second support portion away from the first external electrode.Type: GrantFiled: May 6, 2020Date of Patent: April 12, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Beom Joon Cho, Jae Young Na, Ki Young Kim, Ji Hong Jo, Woo Chul Shin
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Patent number: 11289270Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode including an electrode layer disposed on the body and connected to the internal electrode, a first plating layer disposed on the electrode layer, and a conductive resin layer disposed on the first plating layer. The first plating layer has surface roughness higher at an interface with the conductive resin layer than at an interface with the electrode layer, and the conductive resin layer includes a conductive metal and a base resin.Type: GrantFiled: January 30, 2020Date of Patent: March 29, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho In Jun, Kyeong Jun Kim, Jin Sung Chun, Woo Chul Shin, Seul Gi Kim
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Patent number: 11276529Abstract: An electronic component and a board having the same mounted thereon are provided. The electronic component includes: a body; an electrode disposed on an end of the body in a first direction; a metal frame including a support layer bonded to the external electrode, a mounting portion extending in the first direction in a lower end of the support layer and having a protruding portion on a lower surface, and a coating film formed to cover an upper surface of the protruding portion on an upper surface of the mounting portion and including titanium (Ti).Type: GrantFiled: April 16, 2020Date of Patent: March 15, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Young Na, Ki Young Kim, Beom Joon Cho, Ji Hong Jo, Woo Chul Shin
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Publication number: 20220077477Abstract: A unit cell for a fuel cell includes a membrane electrode body, a pair of gas diffusion layers disposed on both sides of the membrane electrode body, and a pair of separators disposed outside the gas diffusion layers, and including a gas path formed on a surface facing each of the gas diffusion layers and configured to allow reaction gas to flow therethrough, and a coolant path formed on a surface opposite to the surface facing each of the gas diffusion layers and configured to allow coolant to flow therethrough, wherein an inverse forming portion is formed on at least one of both sides of an outermost region in a transverse direction of each of the separators to be bent towards the surface opposite to the surface facing each of the gas diffusion layers.Type: ApplicationFiled: January 11, 2021Publication date: March 10, 2022Inventors: Woo Chul Shin, Kyung Min Kim
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Publication number: 20220076893Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and first and second internal electrodes, the capacitor body having first to sixth surfaces, the first internal electrode being exposed through the third, fifth, and sixth surfaces, and the second internal electrode being exposed through the fourth, fifth, and sixth surfaces, a first side portion and a second side portion, respectively disposed on the fifth surface and the sixth surface of the capacitor body, and a first external electrode and a second external electrode, respectively be connected to the first internal electrode and the second internal electrode. The first and second side portions comprise an acicular second phase including a glass comprising aluminum (Al) and silicon (Si), manganese (Mn), and phosphorus (P), and a volume of the second phase is 30% or more with respect to the entire first and second side portions.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sim Chung Kang, Yong Park, Woo Chul Shin, Ki Pyo Hong
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Publication number: 20220068567Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and first and second internal electrodes, the capacitor body having first to sixth surfaces, the first internal electrode being exposed through the third, fifth, and sixth surfaces, and the second internal electrode being exposed through the fourth, fifth, and sixth surfaces, a first side portion and a second side portion, respectively disposed on the fifth surface and the sixth surface of the capacitor body, and a first external electrode and a second external electrode, respectively connected to the third surface and the fourth surface of the capacitor body to be respectively connected to the first internal electrode and the second internal electrode. The first and second side portions include an acicular second phase including a glass including aluminum (Al) and silicon (Si), manganese (Mn), and phosphorus (P).Type: ApplicationFiled: October 14, 2021Publication date: March 3, 2022Inventors: Sim Chung KANG, Yong PARK, Woo Chul SHIN, Ki Pyo HONG