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公开(公告)号：US20160259126A1
公开(公告)日：2016-09-08
申请号：US14820406
申请日：2015-08-06
Inventor： Myungjoon KWACK , Gyungock KIM , Jaegyu PARK , Ki Seok JANG , Jiho JOO
CPC classification number: G02B6/423 , G02B6/3644 , G02B6/4239 , G02B6/4249
Abstract: An optical coupling device comprises an optical fiber block including a first block part and a second block part contacting with one side of the first block part, an optical fiber penetrating the optical fiber block and having an end surface exposed at a bottom surface of the optical fiber block, a semiconductor chip disposed below the optical fiber block and having an optical input/output element disposed on a top surface of the semiconductor chip to correspond with the end surface of the optical fiber, and a planarization layer disposed on the top surface of the semiconductor chip and having a recess region. A bottom surface of the first block part has a higher level than that of the second block part. The bottom surface of the second block part contacts with a bottom of the recess region. The optical fiber is optically coupled with the optical input/output element.
Abstract translation: 光耦合装置包括光纤块，该光纤块包括与第一块部分的一侧接触的第一块部分和第二块部分，穿过光纤块的光纤，并且具有暴露在光学器件的底表面处的端面 光纤块，设置在光纤块下方的半导体芯片，并且具有设置在半导体芯片的顶表面上的光输入/输出元件，以对应于光纤的端面;以及平坦化层，设置在光纤的顶表面上 半导体芯片并具有凹部区域。 第一块部分的底表面具有比第二块部分更高的水平。 第二块部的底面与凹部的底部接触。 光纤与光输入/输出元件光学耦合。
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公开(公告)号：US20180113253A1
公开(公告)日：2018-04-26
申请号：US15792550
申请日：2017-10-24
Inventor： Jiho JOO , Myungjoon KWACK , Gyungock KIM , Jaegyu PARK
CPC classification number: G02B6/02085 , G02B6/02095 , G02B6/12014 , G02B6/125 , G02B6/29313 , G02B6/29323 , G02B6/29328 , G02B6/4203 , G02B6/4215 , G02B26/0833 , G02B2006/12164 , G02F1/0147 , G02F1/19 , G02F1/225 , G02F2201/307
Abstract: A wavelength division multiplexer is disclosed. The wavelength division multiplexer may include an input waveguide, in which a plurality of Bragg gratings for separating multiplexed optical signals into respective optical signals are provided, and a plurality of output waveguides connected to the input waveguide and configured to receive the optical signals separated by the plurality of Bragg gratings. The plurality of Bragg gratings may include a first Bragg grating including first protrusions each having a first width, and a second Bragg grating including second protrusions each having a second width larger than the first width. Each of the first and second protrusions may include a curved side surface, to which a corresponding one of the optical signals is incident.
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公开(公告)号：US20180100970A1
公开(公告)日：2018-04-12
申请号：US15488321
申请日：2017-04-14
Inventor： Jaegyu PARK , Myungjoon KWACK , Jiho JOO , Gyungock KIM
CPC classification number: G02B6/305 , G02B6/1228 , G02B6/125 , G02B2006/12097 , G02B2006/12147
Abstract: Provided is an optical coupler including a substrate, a buffer layer on the substrate, a ridge waveguide having a first side surface and a second side surface opposed to the first side surface, and a first waveguide disposed adjacent to the second side surface. The first waveguide includes a first body part and a first connecting part extending from one end of the first body part to be inserted in the ridge waveguide. The first connecting part has a width decreasing in the direction away from the second side surface, and the ridge waveguide includes an extension part extending under an upper surface of the buffer layer.
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4.发明申请公开(公告)号：US20170168238A1
公开(公告)日：2017-06-15
申请号：US15347679
申请日：2016-11-09
Inventor： Jaegyu PARK , Myungjoon KWACK , Gyungock KIM , Jiho JOO
CPC classification number: G02B6/12021 , G02B6/12014 , G02B6/12019 , G02B6/124 , G02B6/30 , G02B6/34 , H04J14/02
Abstract: Provided is a wavelength division device. The wavelength division device includes input arrayed waveguides, an input circular grating coupler connected to one ends of the input arrayed waveguides and configured to refract first light having a plurality of wavelengths and output the refracted first light to each of the one ends of the input arrayed waveguides as plurality of second light, and an output star coupler connected to the other ends of the input arrayed waveguides and configured to receive the plurality of second light from the other ends of the input arrayed waveguides and output optical signals that are divided for each wavelength. The input circular grating coupler includes a plurality of circular gratings.
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公开(公告)号：US20220369952A1
公开(公告)日：2022-11-24
申请号：US17735343
申请日：2022-05-03
Inventor： Dae-Sik LEE , Myungjoon KWACK , Hyung Ju PARK , Hyung-Kun LEE , Doyeob KIM , Jae Eun LEE
Abstract: Disclosed are a disease diagnosis device and a diagnosis method thereof. The disease diagnosis device includes a pump for pumping a respiratory gas, a first pre-treatment portion connected to the pump and removing moisture and bad breath in the respiratory gas, and a volatile organic compound (VOC) detection portion connected between the first pre-treatment portion and the pump to detect VOCs in the respiratory gas.
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Patent Agency Ranking
公开(公告)号：US20170213904A1
公开(公告)日：2017-07-27
申请号：US15414156
申请日：2017-01-24
Inventor： Jeho NA , Hyung Seok LEE , Chi Hoon JUN , Sang Choon KO , Myungjoon KWACK , Young Rak PARK , Woojin CHANG , Hyun-Gyu JANG , Dong Yun JUNG
IPC: H01L29/778 , H01L29/205 , H01L29/66 , H01L29/06 , H01L29/417 , H01L29/423 , H01L29/20 , H01L23/31
CPC classification number: H01L29/7787 , H01L23/315 , H01L23/3171 , H01L29/0649 , H01L29/0657 , H01L29/2003 , H01L29/205 , H01L29/41758 , H01L29/42364 , H01L29/42372 , H01L29/66462 , H01L29/7786
Abstract: A semiconductor device includes a semiconductor structure including a substrate, a first semiconductor layer on the substrate, and a second semiconductor layer on the first semiconductor layer, a first passivation pattern provided on the semiconductor structure, and first and second conductive patterns provided on the semiconductor structure and spaced from the first passivation pattern.
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公开(公告)号：US20240407650A1
公开(公告)日：2024-12-12
申请号：US18672674
申请日：2024-05-23
Inventor： Myungjoon KWACK , Jaegyu Park , Hyung Ju Park
IPC: A61B5/00
Abstract: An optogenetic neural probe device for transmitting an optical signal to a nerve cell or receiving a fluorescent signal from the nerve cell, including: an optical device alignment substrate; an optical device group on the optical device alignment substrate and including one or more optical devices; and one or more optogenetic neural probes, wherein each optogenetic neural probe from among the one or more optogenetic neural probes may include an optical neural probe substrate, an optical waveguide on the optical neural probe substrate, and an optical signal input/output port, wherein the optogenetic neural probe is configured to transmit the optical signal emitted from the optical device group to the optical signal input/output port through the optical waveguide.
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公开(公告)号：US20180113371A1
公开(公告)日：2018-04-26
申请号：US15661996
申请日：2017-07-27
Inventor： Jaegyu PARK , Myungjoon KWACK , Jiho JOO , Gyungock KIM
IPC: G02F1/313
CPC classification number: G02F1/3138 , G02F1/3133 , G02F1/3134 , G02F2201/12
Abstract: Provided is an optical switch including a substrate, a first optical waveguide disposed on the substrate and having a conductive portion disposed on one surface thereof, and a second optical waveguide disposed on the substrate being spaced apart from the first optical waveguide and having an electrode portion disposed on one surface thereof. The electrode portion and the conductive portion face each other. The electrode portion controls an optical field between the first optical waveguide and the second optical waveguide.
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公开(公告)号：US20180113332A1
公开(公告)日：2018-04-26
申请号：US15678966
申请日：2017-08-16
Inventor： Myungjoon KWACK , Jaegyu PARK , Jiho JOO , Gyungock KIM
CPC classification number: G02F1/0147 , G02F1/009 , G02F1/2257 , G02F2201/06 , G02F2202/022 , G02F2203/50
Abstract: Provided is a thermo-optic optical switch including an input waveguide configured to receive an optical signal, an output waveguide configured to output the optical signal, branch waveguides branching from the input waveguide to be connected to the output waveguide, and heater electrodes disposed on the branch waveguides and configured to heat the branch waveguides, wherein the branch waveguides includes first and second phase shifters having first and second thermo-optic coefficients of opposite signs.
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公开(公告)号：US20170309589A1
公开(公告)日：2017-10-26
申请号：US15423473
申请日：2017-02-02
Inventor： Myungjoon KWACK , Gyungock KIM , Jaegyu PARK , Jin Hyuk OH , Jiho JOO
IPC: H01L23/00 , H01L25/065
CPC classification number: H01L24/32 , H01L24/05 , H01L24/16 , H01L24/48 , H01L24/73 , H01L24/83 , H01L25/0657 , H01L25/50 , H01L2224/04026 , H01L2224/05551 , H01L2224/05624 , H01L2224/05639 , H01L2224/05644 , H01L2224/05666 , H01L2224/13101 , H01L2224/16145 , H01L2224/16225 , H01L2224/27013 , H01L2224/32111 , H01L2224/32145 , H01L2224/48091 , H01L2224/48227 , H01L2224/73253 , H01L2224/73265 , H01L2224/83191 , H01L2224/83194 , H01L2224/83201 , H01L2224/83385 , H01L2225/0651 , H01L2225/06513 , H01L2225/06517 , H01L2225/06558 , H01L2225/06589 , H01L2924/00014 , H01L2924/10158 , H01L2924/15311 , H01L2224/45099 , H01L2924/014
Abstract: Provided are a semiconductor device and a method for manufacturing the same. The semiconductor device according to an embodiment of the inventive concept includes a first semiconductor chip having a recess portion in one surface thereof; a first adhesion pattern filled within the recess portion of the first semiconductor chip; and a second semiconductor chip disposed on the first adhesion pattern. The second semiconductor chip may represent improved heat dissipation characteristics.
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