Patents by Inventor Yun-rae Cho

Yun-rae Cho 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).

  • Publication number: 20240088082
    Abstract: A semiconductor package, including a substrate extending in first direction and a second direction intersecting the first direction and including a solder resist layer having an open area thereon; a semiconductor chip on the substrate in a third direction, the third direction intersecting the first direction and the second direction, a first surface of the semiconductor chip facing the substrate; and a bump structure in contact with a first connection pad on the open area and a second connection pad on the first surface of the semiconductor chip, and configured to connect the substrate to the semiconductor chip, wherein the open area includes a first area and a second area disposed in a peripheral part of the first area, and wherein a length of the first area in the first direction is greater than a length of the second area in the first direction.
    Type: Application
    Filed: August 2, 2023
    Publication date: March 14, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Ho Cha, Yun-Rae Cho
  • Patent number: 11784137
    Abstract: A semiconductor device in which reliability and production yield are improved by reducing or preventing the spreading of cracks that may occur in the die sawing process, and a method for fabricating the same are provided. The semiconductor device includes a substrate which includes a first chip region and a scribe lane region surrounding the first chip region, a first low-k insulating film, which includes a first insulating material having a dielectric constant lower than silicon oxide, on the substrate in the first chip region, a wiring structure, which includes a second low-k insulating film including the first insulating material and a first wiring pattern in the second low-k insulating film, on the substrate in the scribe lane region, and a first protective insulating film, which includes a second insulating material different from the first insulating material, between the first low-k insulating film and the wiring structure.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: October 10, 2023
    Inventors: Yun Rae Cho, Ae Nee Jang, Seung Hun Han
  • Patent number: 11158589
    Abstract: A semiconductor device has a semiconductor chip region which contains a semiconductor chip and a first portion of a passivation film covering the semiconductor chip and a scribe line region which contains a second portion of the passivation film connected to the first portion of the passivation film, a first insulating film protruding from a distal end of the second portion of the passivation film, and at least a part of a first wiring. A first portion of the first insulating film is disposed along the distal end of the second portion of the passivation film, a second portion of the first insulating film protrudes laterally beyond the first portion of the first insulating film, and the first wiring protrudes laterally beyond the second portion of the first insulating film.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: October 26, 2021
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seung Hun Han, Yun Rae Cho, Nam Gyu Baek, Ae Nee Jang
  • Publication number: 20210143109
    Abstract: A semiconductor device in which reliability and production yield are improved by reducing or preventing the spreading of cracks that may occur in the die sawing process, and a method for fabricating the same are provided. The semiconductor device includes a substrate which includes a first chip region and a scribe lane region surrounding the first chip region, a first low-k insulating film, which includes a first insulating material having a dielectric constant lower than silicon oxide, on the substrate in the first chip region, a wiring structure, which includes a second low-k insulating film including the first insulating material and a first wiring pattern in the second low-k insulating film, on the substrate in the scribe lane region, and a first protective insulating film, which includes a second insulating material different from the first insulating material, between the first low-k insulating film and the wiring structure.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Inventors: Yun Rae Cho, Ae Nee Jang, Seung Hun Han
  • Patent number: 10950586
    Abstract: A semiconductor device includes a package substrate, a semiconductor chip on a first region of the package substrate, and a solder bump on a second region of the package substrate. The solder bump includes a core portion and a peripheral portion encapsulating the core portion. The peripheral portion includes a first segment with a first melting point and a second segment with a second melting point that is less than the first melting point.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Yun-Rae Cho
  • Patent number: 10930602
    Abstract: A semiconductor device in which reliability and production yield are improved by reducing or preventing the spreading of cracks that may occur in the die sawing process, and a method for fabricating the same are provided. The semiconductor device includes a substrate which includes a first chip region and a scribe lane region surrounding the first chip region, a first low-k insulating film, which includes a first insulating material having a dielectric constant lower than silicon oxide, on the substrate in the first chip region, a wiring structure, which includes a second low-k insulating film including the first insulating material and a first wiring pattern in the second low-k insulating film, on the substrate in the scribe lane region, and a first protective insulating film, which includes a second insulating material different from the first insulating material, between the first low-k insulating film and the wiring structure.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: February 23, 2021
    Inventors: Yun Rae Cho, Ae Nee Jang, Seung Hun Han
  • Patent number: 10923407
    Abstract: Provided is a semiconductor device including an interconnection structure provided on a cell region of a substrate to include a first line and a second line sequentially stacked on the substrate, and a defect detection structure provided on a peripheral region of the substrate to include first and second defect detection lines provided at the same levels as those of the first and second lines, respectively.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: February 16, 2021
    Inventors: Sundae Kim, Yun-Rae Cho, Namgyu Baek, Seokhyun Lee
  • Patent number: 10916509
    Abstract: A method of dividing a substrate includes preparing a substrate including a crystalline semiconductor layer having a scribe lane region and device regions, a dielectric layer on the crystalline semiconductor layer, and a partition structure in physical contact with the dielectric layer and provided on the scribe lane region of the crystalline semiconductor layer, forming an amorphous region in the crystalline semiconductor layer, and performing a grinding process on the crystalline semiconductor layer after the forming of the amorphous region. The amorphous region is formed in the scribe lane region of the crystalline semiconductor layer.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: February 9, 2021
    Inventors: Yun-Rae Cho, Sundae Kim, Hyunggil Baek, Namgyu Baek, Seunghun Shin, Donghoon Won
  • Patent number: 10643958
    Abstract: Provided is a semiconductor device including a semiconductor substrate including a main chip area and a scribe lane area adjacent to the main chip area, the scribe lane area including a first region adjacent to the main chip area and a second region adjacent to the first region; an insulating layer disposed on the semiconductor substrate; first embossing structures disposed on a first surface of the insulating layer in a first area of the insulating layer corresponding to the first region; second embossing structures disposed on the first surface of the insulating layer in a second area of the insulating layer corresponding to the second region; and dam structures provided in the first area of the insulating layer at positions corresponding to the first embossing structures, the dam structures extending in a direction perpendicular to a second surface of the insulating layer that is adjacent to the semiconductor substrate.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 5, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun-dae Kim, Hyung-gil Baek, Yun-rae Cho, Nam-gyu Baek
  • Publication number: 20200126930
    Abstract: A semiconductor device in which reliability and production yield are improved by reducing or preventing the spreading of cracks that may occur in the die sawing process, and a method for fabricating the same are provided. The semiconductor device includes a substrate which includes a first chip region and a scribe lane region surrounding the first chip region, a first low-k insulating film, which includes a first insulating material having a dielectric constant lower than silicon oxide, on the substrate in the first chip region, a wiring structure, which includes a second low-k insulating film including the first insulating material and a first wiring pattern in the second low-k insulating film, on the substrate in the scribe lane region, and a first protective insulating film, which includes a second insulating material different from the first insulating material, between the first low-k insulating film and the wiring structure.
    Type: Application
    Filed: July 16, 2019
    Publication date: April 23, 2020
    Inventors: Yun Rae Cho, Ae Nee Jang, Seung Hun Han
  • Publication number: 20200051932
    Abstract: A semiconductor device has a semiconductor chip region which contains a semiconductor chip and a first portion of a passivation film covering the semiconductor chip and a scribe line region which contains a second portion of the passivation film connected to the first portion of the passivation film, a first insulating film protruding from a distal end of the second portion of the passivation film, and at least a part of a first wiring. A first portion of the first insulating film is disposed along the distal end of the second portion of the passivation film, a second portion of the first insulating film protrudes laterally beyond the first portion of the first insulating film, and the first wiring protrudes laterally beyond the second portion of the first insulating film.
    Type: Application
    Filed: August 6, 2019
    Publication date: February 13, 2020
    Inventors: SEUNG HUN HAN, YUN RAE CHO, NAM GYU BAEK, AE NEE JANG
  • Patent number: 10559543
    Abstract: A semiconductor device includes a substrate including a first region and a second region at least partially surrounding the first region in a plan view. A protection pattern is disposed on the second region of the substrate and at least partially surrounds the first region of the substrate in the plan view. A protection trench overlaps the protection pattern and at least partially surrounds the first region of the substrate in the plan view, along the protection pattern. A width of the protection trench is different from a width of the protection pattern.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sundae Kim, Yun-Rae Cho, Namgyu Baek
  • Publication number: 20200035649
    Abstract: A semiconductor package includes a package substrate, a plurality of external connections under the package substrate, a master chip on the package substrate, at least one slave chip on the master chip, a plurality of first bumps and a plurality of second bumps between the package substrate and the master chip, and a plurality of wires connecting the package substrate to the at least one slave chip. The package substrate includes a plurality of first paths connecting the plurality of first bumps to the plurality of external connections and a plurality of second paths connecting the plurality of second bumps to the plurality of wires. An upper surface of the package substrate includes a first edge and a second edge that extend in a first direction and a third edge and a fourth edge that extend in a second direction.
    Type: Application
    Filed: April 5, 2019
    Publication date: January 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ae-nee JANG, Nam-gyu BAEK, Yun-rae CHO, Seung-hun HAN
  • Patent number: 10490514
    Abstract: The semiconductor devices may include a semiconductor substrate, and a guard ring and a crack sensing circuit on the semiconductor substrate. The semiconductor substrate may include a main chip region that is defined by the guard ring and includes the crack sensing circuit, a central portion of the main chip region surrounded by the crack sensing circuit, and a chamfer region that is in a corner portion of the main chip region and is defined by the guard ring and the crack sensing circuit. The semiconductor devices may also include at least one gate structure on the semiconductor substrate in the main chip region, a plurality of metal pattern structures on the at least one gate structure in the chamfer region, and an insulating layer on the plurality of metal pattern structures. The plurality of metal pattern structures may extend in parallel to one another and may have different lengths.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam-Gyu Baek, Yun-Rae Cho, Hyung-Gil Baek, Sun-Dae Kim
  • Publication number: 20190355671
    Abstract: A method of dividing a substrate includes preparing a substrate including a crystalline semiconductor layer having a scribe lane region and device regions, a dielectric layer on the crystalline semiconductor layer, and a partition structure in physical contact with the dielectric layer and provided on the scribe lane region of the crystalline semiconductor layer, forming an amorphous region in the crystalline semiconductor layer, and performing a grinding process on the crystalline semiconductor layer after the forming of the amorphous region. The amorphous region is formed in the scribe lane region of the crystalline semiconductor layer.
    Type: Application
    Filed: August 2, 2019
    Publication date: November 21, 2019
    Inventors: Yun-Rae CHO, Sundae KIM, HYUNGGIL BAEK, Namgyu BAEK, Seunghun SHIN, Donghoon WON
  • Publication number: 20190295997
    Abstract: A semiconductor device includes a package substrate, a semiconductor chip on a first region of the package substrate, and a solder bump on a second region of the package substrate. The solder bump includes a core portion and a peripheral portion encapsulating the core portion. The peripheral portion includes a first segment with a first melting point and a second segment with a second melting point that is less than the first melting point.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 26, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Yun-Rae CHO
  • Patent number: 10418335
    Abstract: A method of dividing a substrate includes preparing a substrate including a crystalline semiconductor layer having a scribe lane region and device regions, a dielectric layer on the crystalline semiconductor layer, and a partition structure in physical contact with the dielectric layer and provided on the scribe lane region of the crystalline semiconductor layer, forming an amorphous region in the crystalline semiconductor layer, and performing a grinding process on the crystalline semiconductor layer after the forming of the amorphous region. The amorphous region is formed in the scribe lane region of the crystalline semiconductor layer.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Rae Cho, Sundae Kim, Hyunggil Baek, Namgyu Baek, Seunghun Shin, Donghoon Won
  • Publication number: 20190237414
    Abstract: The semiconductor devices may include a semiconductor substrate, and a guard ring and a crack sensing circuit on the semiconductor substrate. The semiconductor substrate may include a main chip region that is defined by the guard ring and includes the crack sensing circuit, a central portion of the main chip region surrounded by the crack sensing circuit, and a chamfer region that is in a corner portion of the main chip region and is defined by the guard ring and the crack sensing circuit. The semiconductor devices may also include at least one gate structure on the semiconductor substrate in the main chip region, a plurality of metal pattern structures on the at least one gate structure in the chamfer region, and an insulating layer on the plurality of metal pattern structures. The plurality of metal pattern structures may extend in parallel to one another and may have different lengths.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventors: NAM-GYU BAEK, YUN-RAE CHO, HYUNG-GIL BAEK, SUN-DAE KIM
  • Publication number: 20190164915
    Abstract: A semiconductor device includes a substrate including a first region and a second region at least partially surrounding the first region in a plan view. A protection pattern is disposed on the second region of the substrate and at least partially surrounds the first region of the substrate in the plan view. A protection trench overlaps the protection pattern and at least partially surrounds the first region of the substrate in the plan view, along the protection pattern. A width of the protection trench is different from a width of the protection pattern.
    Type: Application
    Filed: June 29, 2018
    Publication date: May 30, 2019
    Inventors: Sundae Kim, Yun-Rae Cho, Namgyu Baek
  • Patent number: 10304781
    Abstract: The semiconductor devices may include a semiconductor substrate, and a guard ring and a crack sensing circuit on the semiconductor substrate. The semiconductor substrate may include a main chip region that is defined by the guard ring and includes the crack sensing circuit, a central portion of the main chip region surrounded by the crack sensing circuit, and a chamfer region that is in a corner portion of the main chip region and is defined by the guard ring and the crack sensing circuit. The semiconductor devices may also include at least one gate structure on the semiconductor substrate in the main chip region, a plurality of metal pattern structures on the at least one gate structure in the chamfer region, and an insulating layer on the plurality of metal pattern structures. The plurality of metal pattern structures may extend in parallel to one another and may have different lengths.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam-gyu Baek, Yun-rae Cho, Hyung-gil Baek, Sun-dae Kim