Patents by Inventor Won Chul Do
Won Chul Do 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: 20260123548Abstract: Various aspects of this disclosure provide a semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a semiconductor device comprising a stacked die structure and a method of manufacturing thereof.Type: ApplicationFiled: December 26, 2025Publication date: April 30, 2026Inventors: Won Geol Lee, Won Chul Do, Ji Hun Yi
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Patent number: 12588560Abstract: A semiconductor package structure and a method for making a semiconductor package. As non-limiting examples, various aspects of this disclosure provide various semiconductor package structures, and methods for making thereof, that comprise a connect die that routes electrical signals between a plurality of other semiconductor die.Type: GrantFiled: January 19, 2023Date of Patent: March 24, 2026Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE, LTD.Inventors: David Hiner, Michael Kelly, Ronald Huemoeller, In Su Mok, Sang Hyoun Lee, Won Chul Do, Jin Young Khim, Gam Han Yong, Min Su Jeong, Ji Hun Lee
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Publication number: 20260076222Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.Type: ApplicationFiled: November 18, 2025Publication date: March 12, 2026Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
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Patent number: 12575442Abstract: In one example, a semiconductor device can comprise a unit substrate comprising a unit conductive structure and a unit dielectric structure, and an electronic component coupled to the unit conductive structure. The unit substrate can comprise a portion of a singulated subpanel substrate of a panel substrate. Other examples and related methods are also disclosed herein.Type: GrantFiled: June 27, 2023Date of Patent: March 10, 2026Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jae Yoon Kim, Ji Hun Lee, Suresh Jayaraman, David Hiner, Won Chul Do, Jin Young Khim, Ju Hong Shin, Kye Ryung Kim
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Patent number: 12550795Abstract: Various aspects of this disclosure provide a semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a semiconductor device comprising a stacked die structure and a method of manufacturing thereof.Type: GrantFiled: December 15, 2023Date of Patent: February 10, 2026Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.Inventors: Won Geol Lee, Won Chul Do, Ji Hun Yi
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Publication number: 20260040970Abstract: In one example, a semiconductor device comprises a first substrate comprising a first conductive structure, a first body over the first conductive structure and comprising an inner sidewall defining a cavity in the first body, a first interface dielectric over the first body, and a first internal interconnect in the first body and the first interface dielectric, and coupled with the first conductive structure. The semiconductor device further comprises a second substrate over the first substrate and comprising a second interface dielectric, a second body over the second interface dielectric, and a second conductive structure over the second body and comprising a second internal interconnect in the second body and the second interface dielectric. An electronic component is in the cavity, and the second internal interconnect is coupled with the first internal interconnect. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: October 10, 2025Publication date: February 5, 2026Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jin Young Khim, Won Chul Do, Sang Hyoun Lee, Ji Hun Yi, Ji Yeon Ryu
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Patent number: 12500199Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.Type: GrantFiled: July 8, 2024Date of Patent: December 16, 2025Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
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Publication number: 20250372489Abstract: In one example, an electronic device comprises a first substrate comprising a first conductive structure, a first electronic component over a first side of the first substrate and coupled to the first conductive structure, a second substrate over the first substrate and over the first electronic component, wherein the second substrate comprises a second conductive structure, an internal interconnect between the first substrate and the second substrate and coupled to the first conductive structure and the second conductive structure, and an encapsulant between the first substrate and the second substrate and covering a lateral side of the first electronic component and a lateral side of the internal interconnect. A first one of the first substrate and the second substrate comprises a redistribution layer (R D L) substrate, and a second one of the first substrate and the second substrate comprises a laminate substrate. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: May 9, 2025Publication date: December 4, 2025Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Won Chul Do, Tae Kyeong Hwang, Hee Jun Jang, Jae Yoon Kim
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Publication number: 20250336746Abstract: An example method of manufacturing an electronic device can include providing a device wafer including an active region comprising a front-end-of-line (FEOL) region opposite a back-end-of-line (BEOL) region. The FEOL region can include buried power rails, and the BEOL region can include a dielectric structure having a side exposed from the BEOL region. A support substrate having a substrate dielectric can be coupled to the dielectric structure. A bond interface is disposed between the substrate dielectric and the dielectric structure. A passivation structure can be provided over the FEOL region. Conductive vias can be provided through the passivation structure. The conductive vias can include a conductor coupled to the buried power rails. A substrate can be coupled to the passivation structure. The substrate can include a power network electrically coupled to the conductive vias.Type: ApplicationFiled: November 22, 2024Publication date: October 30, 2025Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Kyun Ahn, Wang Gu Lee, In Su Mok, Hee Jun Jang, Won Chul Do
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Publication number: 20250336745Abstract: In one example, an electronic device can include an active region comprising a channel region. A first isolation region may be disposed at a lateral side of the channel region. A source region may be located in a footprint of the channel region and disposed between the channel region and the first isolation region. A device passivation can cover a side of the channel region opposite the source region and disposed on a lateral side of the first isolation region. A substrate passivation can be coupled to the device passivation. A bond interface can be disposed between the device passivation and the substrate passivation. A substrate can be coupled to the substrate passivation. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: November 22, 2024Publication date: October 30, 2025Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Wang Gu Lee, Kyun Ahn, In Su Mok, Hee Jun Jang, Won Chul Do
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Patent number: 12444690Abstract: In one example, a semiconductor device comprises a first substrate comprising a first conductive structure, a first body over the first conductive structure and comprising an inner sidewall defining a cavity in the first body, a first interface dielectric over the first body, and a first internal interconnect in the first body and the first interface dielectric, and coupled with the first conductive structure. The semiconductor device further comprises a second substrate over the first substrate and comprising a second interface dielectric, a second body over the second interface dielectric, and a second conductive structure over the second body and comprising a second internal interconnect in the second body and the second interface dielectric. An electronic component is in the cavity, and the second internal interconnect is coupled with the first internal interconnect. Other examples and related methods are also disclosed herein.Type: GrantFiled: January 18, 2024Date of Patent: October 14, 2025Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jin Young Khim, Won Chul Do, Sang Hyoun Lee, Ji Hun Yi, Ji Yeon Ryu
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Publication number: 20250309157Abstract: In one example, an electronic device can comprise a substrate, a first passivation structure over the substrate and defining a first opening, and a first conductive pattern formed in the first opening. A second passivation structure can be disposed over the first conductive pattern and the first passivation structure. The second passivation structure can include a high-resolution material and a high-function material. The high-resolution material of the second passivation structure can define a second opening. A second conductive pattern can be disposed in the second opening of the second passivation structure. The high-function material can be disposed between the first conductive pattern and the second conductive pattern. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: March 26, 2024Publication date: October 2, 2025Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Sang Hyun Jin, Tae Kyeong Hwang, Won Chul Do
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Patent number: 12388018Abstract: In one example, a semiconductor device comprises a redistribution layer (RDL) substrate having a top surface and a bottom surface, wherein the RDL substrate comprises a filler-free dielectric material, an electronic device on the top surface of the RDL substrate, an electrical interconnect on the bottom surface of the RDL substrate and electrically coupled to the electronic device, a first protective material contacting a side surface of the electronic device and the top surface of the RDL substrate, and a second protective material contacting a side surface of the electrical interconnect and the bottom surface of the RDL substrate. Other examples and related methods are also disclosed herein.Type: GrantFiled: May 20, 2024Date of Patent: August 12, 2025Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Tae Ki Kim, Jae Beom Shim, Seung Nam Son, Won Chul Do
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Publication number: 20250038042Abstract: Methods and systems for a semiconductor device package with a die to interposer wafer first bond are disclosed and may include bonding a plurality of semiconductor die comprising electronic devices to an interposer wafer, and applying an underfill material between the die and the interposer wafer. Methods and systems for a semiconductor device package with a die-to-packing substrate first bond are disclosed and may include bonding a first semiconductor die to a packaging substrate, applying an underfill material between the first semiconductor die and the packaging substrate, and bonding one or more additional die to the first semiconductor die. Methods and systems for a semiconductor device package with a die-to-die first bond are disclosed and may include bonding one or more semiconductor die comprising electronic devices to an interposer die.Type: ApplicationFiled: October 15, 2024Publication date: January 30, 2025Inventors: Michael G. Kelly, Ronald Patrick Huemoeller, Won Chul Do, David Jon Hiner
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Publication number: 20250006686Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.Type: ApplicationFiled: July 8, 2024Publication date: January 2, 2025Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
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Publication number: 20240421127Abstract: In one example, a semiconductor device comprises a first base substrate comprising a first base conductive structure, a first encapsulant contacting a lateral side of the first base substrate, a redistribution structure (RDS) substrate over the base substrate and comprising an RDS conductive structure coupled with the first base conductive structure, a first electronic component over the RDS substrate and over a first component terminal coupled with the RDS conductive structure, and a second encapsulant over the RDS substrate and contacting a lateral side of the first electronic component. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: August 30, 2024Publication date: December 19, 2024Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Yi Seul Han, Tae Yong Lee, Ji Yeon Ryu, Won Chul Do, Jin Young Khim, Shaun Bowers, Ron Huemoeller
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Patent number: 12136565Abstract: Methods and systems for a semiconductor device package with a die to interposer wafer first bond are disclosed and may include bonding a plurality of semiconductor die comprising electronic devices to an interposer wafer, and applying an underfill material between the die and the interposer wafer. Methods and systems for a semiconductor device package with a die-to-packing substrate first bond are disclosed and may include bonding a first semiconductor die to a packaging substrate, applying an underfill material between the first semiconductor die and the packaging substrate, and bonding one or more additional die to the first semiconductor die. Methods and systems for a semiconductor device package with a die-to-die first bond are disclosed and may include bonding one or more semiconductor die comprising electronic devices to an interposer die.Type: GrantFiled: August 19, 2022Date of Patent: November 5, 2024Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.Inventors: Michael G. Kelly, Ronald Patrick Huemoeller, Won Chul Do, David Jon Hiner
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Publication number: 20240332032Abstract: A method for manufacturing a semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide a method for manufacturing a semiconductor device, and a semiconductor device produced thereby, that comprises an interposer without through silicon vias.Type: ApplicationFiled: April 1, 2024Publication date: October 3, 2024Inventors: Dong Jin Kim, Jin Han Kim, Won Chul Do, Jae Hun Bae, Won Myoung Ki, Dong Hoon Han, Do Hyung Kim, Ji Hun Lee, Jun Hwan Park, Seung Nam Son, Hyun Cho, Curtis Zwenger
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Publication number: 20240304550Abstract: In one example, a semiconductor device comprises a redistribution layer (RDL) substrate having a top surface and a bottom surface, wherein the RDL substrate comprises a filler-free dielectric material, an electronic device on the top surface of the RDL substrate, an electrical interconnect on the bottom surface of the RDL substrate and electrically coupled to the electronic device, a first protective material contacting a side surface of the electronic device and the top surface of the RDL substrate, and a second protective material contacting a side surface of the electrical interconnect and the bottom surface of the RDL substrate. Other examples and related methods are also disclosed herein.Type: ApplicationFiled: May 20, 2024Publication date: September 12, 2024Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Tae Ki Kim, Jae Beom Shim, Seung Nam Son, Won Chul Do
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Patent number: 12080682Abstract: In one example, a semiconductor device comprises a first base substrate comprising a first base conductive structure, a first encapsulant contacting a lateral side of the first base substrate, a redistribution structure (RDS) substrate over the base substrate and comprising an RDS conductive structure coupled with the first base conductive structure, a first electronic component over the RDS substrate and over a first component terminal coupled with the RDS conductive structure, and a second encapsulant over the RDS substrate and contacting a lateral side of the first electronic component. Other examples and related methods are also disclosed herein.Type: GrantFiled: February 6, 2023Date of Patent: September 3, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Yi Seul Han, Tae Yong Lee, Ji Yeon Ryu, Won Chul Do, Jin Young Khim, Shaun Bowers, Ron Huemoeller