Patents by Inventor Ho-Jeong Choi
Ho-Jeong Choi 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: 11454384Abstract: The lighting lamp with an enhanced heat dissipation function of the present invention includes a main body, an LED module, a cylindrical fastening boss, a connection portion, a lens holder and a ring-shaped fixing cap.Type: GrantFiled: May 29, 2018Date of Patent: September 27, 2022Assignee: INNOCOMPANY CO., LTDInventor: Ho Jeong Choi
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Publication number: 20210156556Abstract: The lighting lamp with an enhanced heat dissipation function of the present invention includes a main body, an LED module, a cylindrical fastening boss, a connection portion, a lens holder and a ring-shaped fixing cap.Type: ApplicationFiled: May 29, 2018Publication date: May 27, 2021Inventor: Ho Jeong CHOI
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Patent number: 10414451Abstract: An air passage type wheel deflector applied to a vehicle may include a deflector body 10 fastened to the floor panel by screws 40 and mounted at the rear wheel 120 side, an air duct 20 forming an air passage 20-1 for forcing the air introduced externally to flow downward and discharge in a state of being covered by the deflector body 10 coupled to the air duct, and a plurality of ribs 30 disposed in the deflector body 10 at a certain rib spacing and positioned in the space of the air passage 20-1 so that robustness against strike by chipping is maintained and at the same time aerodynamic performance is improved resulting from improvement of the kick-up function by the air passage 20-1.Type: GrantFiled: December 11, 2017Date of Patent: September 17, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Cheol-O Kim, Jae-Young Kang, Hyun-Seok Jung, Jeong-Ho Lee, Ho-Jeong Choi, Jun-Young Ahn, Hyun-Ah Kim, Byung-Hoon Kang, Yun-Woo Chung
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Publication number: 20190002038Abstract: An air passage type wheel deflector applied to a vehicle may include a deflector body 10 fastened to the floor panel by screws 40 and mounted at the rear wheel 120 side, an air duct 20 forming an air passage 20-1 for forcing the air introduced externally to flow downward and discharge in a state of being covered by the deflector body 10 coupled to the air duct, and a plurality of ribs 30 disposed in the deflector body 10 at a certain rib spacing and positioned in the space of the air passage 20-1 so that robustness against strike by chipping is maintained and at the same time aerodynamic performance is improved resulting from improvement of the kick-up function by the air passage 20-1.Type: ApplicationFiled: December 11, 2017Publication date: January 3, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Cheol-O Kim, Jae-Young Kang, Hyun-Seok Jung, Jeong-Ho Lee, Ho-Jeong Choi, Jun-Young Ahn, Hyun-Ah Kim, Byung-Hoon Kang, Yun-Woo Chung
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Patent number: 8564317Abstract: A test socket is provided that includes a socket body to receive an object to be tested, a lid disposed on the socket body, one or more pushers coupled to a first surface of lid to apply force to a first surface of the object toward the socket body, and a temperature controlling member to provide a temperature to the object. A semiconductor package may be tested in a test apparatus that includes the test socket, the methods of testing including receiving a semiconductor package in a socket in a test chamber, applying a first temperature to the test chamber to test the semiconductor package at a first test temperature, and applying a second temperature to the semiconductor package to test the semiconductor package at a second test temperature by controlling the application of the second temperature with the socket.Type: GrantFiled: March 8, 2010Date of Patent: October 22, 2013Assignee: SAMSUNG Electronics Co., Ltd.Inventors: Jong-Won Han, Seok Goh, Byoung-Jun Min, Jung-Hyeon Kim, Sang-Sik Lee, Bo-Woo Kim, Ho-Jeong Choi
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Patent number: 8139949Abstract: An electrical signal transmission module includes a plurality of optical signal lines and a plurality of electrical signal lines. The plurality of optical signal lines converting a first externally input electrical signal into an optical signal, transmitting the optical signal, converting the optical signal back into the first electrical signal, and outputting the first electrical signal. The plurality of electrical signal lines transmitting a second externally input electrical signal and outputting the second electrical signal.Type: GrantFiled: July 24, 2008Date of Patent: March 20, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Hoon Lee, Ho-Jeong Choi, Se-Jang Oh, Young-Soo An, Gyu-Yeol Kim
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Patent number: 7786721Abstract: There is provided a multilayer type test board assembly for high-precision inspection. The multilayer test board assembly comprises: a plurality of test boards separated from each other according to their functions, having input/output signal terminals, and including at least one test board each having a first section where first mounting devices sensitive to an influence of electrical signals are mounted and a second section where second mounting devices insensitive to an influence of electrical signals are mounted; spacers that arrange the test boards in parallel by spacing apart the test boards by predetermined intervals; connection cables connected to the input/output signal terminals of the test boards; and a signal shielding fence formed on each of the at least one test board so as to protect the first mounting devices from electrical signals generated by the second mounting devices.Type: GrantFiled: January 3, 2008Date of Patent: August 31, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Min-Gu Kim, Young-Soo An, Ho-Jeong Choi, Jung-Hyeon Kim
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Publication number: 20100176796Abstract: An apparatus for testing electrical characteristics includes a probe configured to contact a test object, a DC signal transmission line configured to transmit a DC signal to the probe, a frequency signal transmission line configured to transmit a frequency signal to the probe, and a line selection unit configured to selectively connect only one of the frequency signal transmission line and the DC signal transmission line to the probe at a time in accordance with a selected test.Type: ApplicationFiled: January 11, 2010Publication date: July 15, 2010Inventors: Dong-dae Kim, Min-gu Kim, Ho-jeong Choi, Young-soo An, Yang-gi Kim
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Patent number: 7659735Abstract: A probe card capable of multi-probing includes a print circuit board having a plurality of contact portions and a test module having a plurality of test boards. Each of the test boards includes at least one probing portion on which a plurality of needles are arrayed. The test module selects one of the test boards and probes semiconductor chips formed on a semiconductor wafer through the needles arrayed on the probing portion of the selected test board.Type: GrantFiled: December 27, 2006Date of Patent: February 9, 2010Inventors: Min-gu Kim, Ho-jeong Choi, Young-soo An
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Patent number: 7492032Abstract: A device and method of manufacturing a fuse region are disclosed. The fuse region may include an interlayer insulating layer formed on a substrate, a plurality of fuses disposed on the interlayer insulating layer, and fuse isolation walls located between the fuses, wherein each of the fuse isolation walls may include lower and upper fuse isolation patterns.Type: GrantFiled: April 19, 2005Date of Patent: February 17, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Kwang-Kyu Bang, Kun-Gu Lee, Kyoung-Suk Lyu, Jeong-Ho Bang, Kyeong-Seon Shin, Ho-Jeong Choi, Seung-Gyoo Choi
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Publication number: 20090028571Abstract: An electrical signal transmission module includes a plurality of optical signal lines and a plurality of electrical signal lines. The plurality of optical signal lines converting a first externally input electrical signal into an optical signal, transmitting the optical signal, converting the optical signal back into the first electrical signal, and outputting the first electrical signal. The plurality of electrical signal lines transmitting a second externally input electrical signal and outputting the second electrical signal.Type: ApplicationFiled: July 24, 2008Publication date: January 29, 2009Inventors: Sang-Hoon Lee, Ho-Jeong Choi, Se-Jang Oh, Young-Soo An, Gyu-Yeol Kim
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Publication number: 20090009204Abstract: A test socket in accordance with one aspect of the present invention includes a socket body, a thermoelectric element and a heat transfer member. The socket body receives an object. The thermoelectric element is arranged in the socket body to emit heat and absorb heat in accordance with current directions. The heat transfer member is arranged between the object and the thermoelectric element to transfer a heat generated from the object to the thermoelectric element. Thus, the object may be directly provided with a desired test temperature using the thermoelectric element so that the desired test temperature may be set rapidly and accurately. Further, the heat transfer member interposed between the object and the thermoelectric element may quickly dissipate the heat in the object.Type: ApplicationFiled: June 24, 2008Publication date: January 8, 2009Applicant: Samsung Electronics Co. Ltd.Inventors: Sang-Sik Lee, Bo-Woo Kim, Ho-Jeong Choi
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Publication number: 20080164894Abstract: A system and method for testing a semiconductor integrated circuit (IC) in parallel includes a probe chuck, a test head, and a test controller. The probe chuck loads a plurality of different types of semiconductor DUTs. The test head provides a plurality of circuit sites to independently and simultaneously test the different types of semiconductor DUTs, and the test controller controls the test head and the probe chuck.Type: ApplicationFiled: January 3, 2008Publication date: July 10, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Min-Gu Kim, Young-Soo An, Ho-Jeong Choi, Jung-Hyeon Kim
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Publication number: 20080164901Abstract: There is provided a multilayer type test board assembly for high-precision inspection. The multilayer test board assembly comprises: a plurality of test boards separated from each other according to their functions, having input/output signal terminals, and including at least one test board each having a first section where first mounting devices sensitive to an influence of electrical signals are mounted and a second section where second mounting devices insensitive to an influence of electrical signals are mounted; spacers that arrange the test boards in parallel by spacing apart the test boards by predetermined intervals; connection cables connected to the input/output signal terminals of the test boards; and a signal shielding fence formed on each of the at least one test board so as to protect the first mounting devices from electrical signals generated by the second mounting devices.Type: ApplicationFiled: January 3, 2008Publication date: July 10, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Min-Gu Kim, Young-Soo An, Ho-Jeong Choi, Jung-Hyeon Kim
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Probe card for test of semiconductor chips and method for test of semiconductor chips using the same
Publication number: 20080164898Abstract: There are provided a probe card for test of semiconductor chips and a method for testing semiconductor chips using the probe card. In implementing the probe card for electrically testing semiconductor chips, the probe blocks corresponding to multiple selected ones of the semiconductor chips on the wafer can be selected so that the selected semiconductor chips are EDS tested in a one-step process. As the selected semiconductor chips are EDS tested in a one-step process, equipment efficiency is improved, and statistical objectivity of data indicating characteristics of the wafer can be achieved.Type: ApplicationFiled: December 28, 2007Publication date: July 10, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Sung-Hoon Bae, Jung-Hyeon Kim, Young-Soo An, Ho-Jeong Choi, Myoung-Sub Kim -
Publication number: 20080164893Abstract: Provided is a probe card for testing a wafer. The probe card includes: a main card having a flat plate in which a hole is formed; an auxiliary card vertically mounted on the main card through the hole; and a plurality of probe needles attached to the auxiliary card. Costs and time for manufacturing the probe card are greatly reduced.Type: ApplicationFiled: September 19, 2007Publication date: July 10, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Hyun-ae Lee, Ho-jeong Choi
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Patent number: 7323891Abstract: A method of and testing jig for sequentially testing front and rear surfaces of a semiconductor chip is shown. The testing jig includes a support package having a first cavity over which the semiconductor chip mounts; an infrared filter affixed relative to the first cavity and attached to a rear surface of the semiconductor chip; and a test substrate having a second cavity exposing the infrared filter and upon which the support package mounts. Front and rear surfaces of the semiconductor chip can be conveniently and sequentially tested. Because the testing jig includes the infrared filter and the heat pad, heat can be easily transmitted to the defective chip.Type: GrantFiled: May 24, 2006Date of Patent: January 29, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-Jong Kim, Ho-Jeong Choi, Chan-Soon Park
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Publication number: 20070152688Abstract: A probe card capable of multi-probing includes a print circuit board having a plurality of contact portions and a test module having a plurality of test boards. Each of the test boards includes at least one probing portion on which a plurality of needles are arrayed. The test module selects one of the test boards and probes semiconductor chips formed on a semiconductor wafer through the needles arrayed on the probing portion of the selected test board.Type: ApplicationFiled: December 27, 2006Publication date: July 5, 2007Inventors: Min-gu Kim, Ho-jeong Choi, Young-soo An
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Publication number: 20070023610Abstract: A method of and testing jig for sequentially testing front and rear surfaces of a semiconductor chip is shown. The testing jig includes a support package having a first cavity over which the semiconductor chip mounts; an infrared filter affixed relative to the first cavity and attached to a rear surface of the semiconductor chip; and a test substrate having a second cavity exposing the infrared filter and upon which the support package mounts. Front and rear surfaces of the semiconductor chip can be conveniently and sequentially tested. Because the testing jig includes the infrared filter and the heat pad, heat can be easily transmitted to the detective chip.Type: ApplicationFiled: May 24, 2006Publication date: February 1, 2007Inventors: Dae-Jong Kim, Ho-Jeong Choi, Chan-Soon Park
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Publication number: 20050236688Abstract: A device and method of manufacturing a fuse region are disclosed. The fuse region may include an interlayer insulating layer formed on a substrate, a plurality of fuses disposed on the interlayer insulating layer, and fuse isolation walls located between the fuses, wherein each of the fuse isolation walls may include lower and upper fuse isolation patterns.Type: ApplicationFiled: April 19, 2005Publication date: October 27, 2005Inventors: Kwang-Kyu Bang, Kun-Gu Lee, Kyoung-Suk Lyu, Jeong-Ho Bang, Kyeong-Seon Shin, Ho-Jeong Choi, Seung-Gyoo Choi