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公开(公告)号：US11677060B2
公开(公告)日：2023-06-13
申请号：US17228310
申请日：2021-04-12
Inventor： Jiho Joo , Yong Sung Eom , Gwang-Mun Choi , Kwang-Seong Choi , Chanmi Lee , Ki Seok Jang
IPC: H01L33/62 , H01L23/00 , H01L33/56 , H01L25/075
CPC classification number: H01L33/62 , H01L24/27 , H01L24/81 , H01L24/83 , H01L33/56 , H01L25/0753 , H01L2224/2712 , H01L2224/2919 , H01L2224/8112 , H01L2224/8122 , H01L2224/83909 , H01L2924/0715 , H01L2924/12041 , H01L2933/005 , H01L2933/0066
Abstract: Provided is a method for transferring and bonding devices. The method includes applying an adhesive layer to a carrier, arranging a plurality of devices, attaching the arranged devices to the carrier, applying a polymer film to a substrate, aligning the carrier to which the plurality of devices are attached with the substrate, bonding the plurality of devices to the substrate by radiating laser, and releasing the carrier from the substrate to which the plurality of devices are bonded.
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公开(公告)号：US11488841B2
公开(公告)日：2022-11-01
申请号：US16795009
申请日：2020-02-19
Inventor： Yong Sung Eom , Kwang-Seong Choi , Ki Seok Jang , Seok-Hwan Moon , Jiho Joo
Abstract: Provided is a method for manufacturing a semiconductor package, the method including providing a semiconductor chip on a substrate, providing a bonding member between the substrate and the semiconductor chip, and bonding the semiconductor chip on the substrate by irradiating of a laser on the substrate. Here, the bonding member may include a thermosetting resin, a curing agent, and a laser absorbing agent.
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公开(公告)号：US11226451B2
公开(公告)日：2022-01-18
申请号：US16750942
申请日：2020-01-23
Inventor： Jaegyu Park , Gyung Ock Kim , Jiho Joo
Abstract: A 3D optical switch for transferring an optical signal between a plurality of layers of an optical integrated circuit, which comprises: a first optical coupler for distributing the optical signal input to a first optical waveguide deployed in a first layer among the plurality of layers to a second optical waveguide deployed in a second layer different from the first layer; a phase shifter for changing a phase of a first optical signal in the first optical waveguide passing through the first optical coupler and a phase of a second optical signal in the second optical waveguide distributed by the first optical coupler; and a second optical coupler for combining the first optical signal of which the phase is changed and the second optical signal of which the phase is changed is provided.
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Patent Agency Ranking
公开(公告)号：US10197818B2
公开(公告)日：2019-02-05
申请号：US15678966
申请日：2017-08-16
Inventor： Myungjoon Kwack , Jaegyu Park , Jiho Joo , Gyungock Kim
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：US10151874B2
公开(公告)日：2018-12-11
申请号：US15792550
申请日：2017-10-24
Inventor： Jiho Joo , Myungjoon Kwack , Gyungock Kim , Jaegyu Park
IPC: G02B6/124 , G02B6/02 , G02B6/34 , G02F1/19 , G02F1/225 , G02F1/01 , G02B6/42 , G02B6/293 , G02B26/08
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：US10101633B2
公开(公告)日：2018-10-16
申请号：US15661996
申请日：2017-07-27
Inventor： Jaegyu Park , Myungjoon Kwack , Jiho Joo , Gyungock Kim
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：US09728657B2
公开(公告)日：2017-08-08
申请号：US14812981
申请日：2015-07-29
Inventor： Jiho Joo , Gyungock Kim , Myungjoon Kwack , Sang Hoon Kim , Sun Ae Kim , In Gyoo Kim , Jaegyu Park , Jin Hyuk Oh , Ki Seok Jang
IPC: H01L31/0224 , H01L31/0352 , H01L31/107 , H01L31/18
CPC classification number: H01L31/022416 , H01L31/03529 , H01L31/1075 , H01L31/1808 , Y02E10/50 , Y02P70/521
Abstract: Provided is a photodetector including a substrate, a first doped region on the substrate, a second doped region having a ring structure, wherein the second doped region is provided in the substrate, surrounds the first doped region and is horizontally spaced apart from a side of the first doped region, an optical absorption layer on the first doped region, a contact layer on the optical absorption layer, a first electrode on the contact layer, and a second electrode on the second doped region.
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18.发明授权公开(公告)号：US09360621B1
公开(公告)日：2016-06-07
申请号：US14819752
申请日：2015-08-06
Inventor： Jaegyu Park , Myungjoon Kwack , Gyungock Kim , Jiho Joo
CPC classification number: G02B6/12016 , G02B6/1228 , G02B6/14
Abstract: Provided is a flat-top mode generating device. The flat-top mode generating device includes an input waveguide, a double-tapered structure connected to the input waveguide, and an input star coupler connected to the double-tapered structure. The double-tapered structure includes a first part having a first height hat is equal to that of each of the input waveguide and the input star coupler, and a second part disposed in the first part on the plane and having a second height that is less than the first height, the second part being tapered from the input star coupler toward the input waveguide.
Abstract translation: 提供了平顶模式发生装置。 平顶模式发生装置包括输入波导，连接到输入波导的双锥形结构和连接到双锥形结构的输入星形耦合器。 双锥形结构包括具有第一高度帽的第一部分等于输入波导和输入星形耦合器中的每一个的第一部分，以及设置在平面上的第一部分中的第二部分，并且具有较小的第二高度 比第一高度，第二部分从输入星形耦合器向输入波导变细。
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