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: 20190043813
    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: Application
    Filed: October 12, 2018
    Publication date: February 7, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun-dae KIM, Hyung-gil BAEK, Yun-rae CHO, Nam-gyu BAEK
  • Patent number: 10103109
    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: March 2, 2017
    Date of Patent: October 16, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun-dae Kim, Hyung-gil Baek, Yun-rae Cho, Nam-gyu Baek
  • Publication number: 20180261555
    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: December 21, 2017
    Publication date: September 13, 2018
    Inventors: Yun-Rae CHO, Sundae KIM, Hyunggil Baek, Namgyu BAEK, Seunghun SHIN, Donghoon WON
  • Patent number: 9984945
    Abstract: A semiconductor chip may include a semiconductor substrate and a crack detection circuit. The semiconductor substrate may include a circuit structure. The crack detection circuit may include main lines and a chamfer lines. The main lines may be formed in the semiconductor substrate to surround the circuit structure. The chamfer lines may be formed in corners of the semiconductor substrate. The chamfer lines may be connected between the main lines. A first angle may be formed between each of the chamfer lines and any one of the two main lines perpendicular to each other. A second angle wider than the first angle may be formed between each of the chamfer lines and the other main line.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: May 29, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Rae Cho, Sun-Dae Kim, Nam-Gyu Baek, Hyung-Gil Baek
  • Publication number: 20170345773
    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: March 15, 2017
    Publication date: November 30, 2017
    Inventors: Nam-gyu BAEK, Yun-rae Cho, Hyung-gil Baek, Sun-dae Kim
  • Publication number: 20170317035
    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: Application
    Filed: March 2, 2017
    Publication date: November 2, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun-dae Kim, Hyung-gil Baek, Yun-rae Cho, Nam-gyu Baek
  • Publication number: 20170294360
    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: Application
    Filed: June 22, 2017
    Publication date: October 12, 2017
    Inventors: Sundae KIM, Yun-Rae CHO, Namgyu BAEK, Seokhyun LEE
  • Publication number: 20170221866
    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: December 9, 2016
    Publication date: August 3, 2017
    Inventor: Yun-Rae Cho
  • Patent number: 9716048
    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: December 30, 2015
    Date of Patent: July 25, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sundae Kim, Yun-Rae Cho, Namgyu Baek, Seokhyun Lee
  • Publication number: 20170062293
    Abstract: A semiconductor chip may include a semiconductor substrate and a crack detection circuit. The semiconductor substrate may include a circuit structure. The crack detection circuit may include main lines and a chamfer lines. The main lines may be formed in the semiconductor substrate to surround the circuit structure. The chamfer lines may be formed in corners of the semiconductor substrate. The chamfer lines may be connected between the main lines. A first angle may be formed between each of the chamfer lines and any one of the two main lines perpendicular to each other. A second angle wider than the first angle may be formed between each of the chamfer lines and the other main line. Thus, although a crack may be generated in the corner of the semiconductor substrate by twice cutting processes of a wafer, the crack detection circuit may not detect the crack.
    Type: Application
    Filed: July 26, 2016
    Publication date: March 2, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yun-Rae Cho, Sun-Dae Kim, Nam-Gyu Baek, Hyung-Gil Baek
  • Patent number: 9570411
    Abstract: A pad structure usable with a semiconductor device may include an insulating layer pattern structure, a plug, and a pad. The insulating layer pattern structure has a plug hole and at least one via hole. The plug is formed in the plug hole. The pad is formed on the insulating layer pattern structure. The pad is electrically connected with the plug and has a lower surface and an uneven upper surface. The lower surface includes a protruded portion inserted into the via hole. The uneven upper surface includes a recessed portion and an elevated portion—to provide high roughness and firm connection.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam-Gyu Baek, Young-Min Lee, Yun-Rae Cho, Sun-Dae Kim
  • Patent number: 9553074
    Abstract: A semiconductor package that includes a package substrate, a lower semiconductor chip mounted on the package substrate, and an upper semiconductor chip stacked on the lower semiconductor chip in a cascade shape is provided. An active surface of the lower semiconductor chip is facing an active surface of the upper semiconductor chip.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: January 24, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Yun-Rae Cho
  • Patent number: 9543275
    Abstract: A semiconductor package includes a substrate; a first semiconductor chip arranged on the substrate; a second semiconductor chip arranged on the first semiconductor chip; a lead attached to the second semiconductor chip on a side of the second semiconductor chip opposite a side of the second semiconductor chip facing the first semiconductor chip; and a molding member covering an upper surface of the substrate and side surfaces of the lead and sealing the first semiconductor chip and the second semiconductor chip.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: January 10, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-rae Cho, Jong-oh Kwon
  • Publication number: 20160233171
    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: Application
    Filed: December 30, 2015
    Publication date: August 11, 2016
    Inventors: Sundae KIM, Yun-Rae CHO, Namgyu BAEK, Seokhyun LEE
  • Publication number: 20160086921
    Abstract: A semiconductor package that includes a package substrate, a lower semiconductor chip mounted on the package substrate, and an upper semiconductor chip stacked on the lower semiconductor chip in a cascade shape is provided. An active surface of the lower semiconductor chip is facing an active surface of the upper semiconductor chip.
    Type: Application
    Filed: June 5, 2015
    Publication date: March 24, 2016
    Inventor: Yun-Rae CHO
  • Publication number: 20160079206
    Abstract: A semiconductor package includes a substrate; a first semiconductor chip arranged on the substrate; a second semiconductor chip arranged on the first semiconductor chip; a lead attached to the second semiconductor chip on a side of the second semiconductor chip opposite a side of the second semiconductor chip facing the first semiconductor chip; and a molding member covering an upper surface of the substrate and side surfaces of the lead and sealing the first semiconductor chip and the second semiconductor chip.
    Type: Application
    Filed: June 5, 2015
    Publication date: March 17, 2016
    Inventors: Yun-rae CHO, Jong-oh KWON
  • Publication number: 20160043045
    Abstract: A pad structure usable with a semiconductor device may include an insulating layer pattern structure, a plug, and a pad. The insulating layer pattern structure has a plug hole and at least one via hole. The plug is formed in the plug hole. The pad is formed on the insulating layer pattern structure. The pad is electrically connected with the plug and has a lower surface and an uneven upper surface. The lower surface includes a protruded portion inserted into the via hole. The uneven upper surface includes a recessed portion and an elevated portion—to provide high roughness and firm connection.
    Type: Application
    Filed: October 23, 2015
    Publication date: February 11, 2016
    Inventors: Nam-Gyu BAEK, Young-Min LEE, Yun-Rae CHO, Sun-Dae KIM
  • Patent number: 9099460
    Abstract: To manufacture a stack semiconductor package, a board mold covers a first semiconductor. The board mold includes a first face and a second face opposite to the first face. An active surface of the first semiconductor faces the second face. A first opening is formed in the board mold from the second surface. The first opening is disposed on the first semiconductor. A second opening penetrates the board mold from the first surface. A conductive metal layer fills the first and the second openings using an electroless plating method. A plurality of semiconductor devices is stacked on the first face of the board mold.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: August 4, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Rae Cho, Tae-Hoon Kim, Ho-Geon Song, Seok-Won Lee
  • Patent number: 8946909
    Abstract: A semiconductor package may include a base substrate, a solder resist layer on the base substrate, a first semiconductor chip mounted on the base substrate, and a second semiconductor chip stacked on the first semiconductor chip. The second semiconductor chip may include at least one end portion protruding from the first semiconductor chip. The solder resist layer may include and a recess portion. The recess portion may be formed in the solder resist layer at a position corresponding to the at least one end portion of the second semiconductor chip.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-rae Cho, Young-min Lee
  • Publication number: 20140363923
    Abstract: To manufacture a stack semiconductor package, a board mold covers a first semiconductor. The board mold includes a first face and a second face opposite to the first face. An active surface of the first semiconductor faces the second face. A first opening is formed in the board mold from the second surface. The first opening is disposed on the first semiconductor. A second opening penetrates the board mold from the first surface. A conductive metal layer fills the first and the second openings using an electroless plating method. A plurality of semiconductor devices is stacked on the first face of the board mold.
    Type: Application
    Filed: August 22, 2014
    Publication date: December 11, 2014
    Inventors: Yun-Rae Cho, Tae-Hoon Kim, Ho-Geon Song, Seok-Won Lee