Patents by Inventor Chang-Seob Kim

Chang-Seob Kim 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: 20050224983
    Abstract: A semiconductor structure includes a material layer on a substrate and to be patterned, an amorphous carbon layer on the material layer to be patterned, an N-free anti-reflective layer on the amorphous carbon layer, and a photoresist layer on the N-free anti-reflective layer. The N-free anti-reflective layer contains SiCXOYHZ as a main element. Related methods of patterning semiconductor structures also are provided.
    Type: Application
    Filed: October 26, 2004
    Publication date: October 13, 2005
    Inventors: Won-jin Kim, Hyun Park, Chang-seob Kim, Mun-jun Kim, Hye-min Kim, Jin-gyun Kim
  • Publication number: 20050095507
    Abstract: A lithium battery which has an anode, a cathode having a compound capable of intercalating and deintercalating lithium, a separator interposed between the cathode and the anode, and an electrolyte solution having an electrolyte solute dissolved in a nonaqueous solvent. The nonaqueous solvent includes a mixed solvent containing 8 to 15% by volume of ethylene carbonate, 10 to 35% by volume of ?-butyrolactone, 35 to 65% by volume of at least one linear carbonate selected from the group consisting of dimethyl carbonate, diethyl carbonate, ethylmethyl carbonate, methylpropyl carbonate, ethylpropyl carbonate and methylbutyl carbonate and 8 to 15% by volume of fluorobenzene, and 0.5 to 9 parts by volume of vinylene carbonate based on 100 parts by volume of the mixed solvent. The nonaqueous solvent may further include 0.05 to 5 parts by volume of vinyl sulfone, isooxazole or a mixture thereof based on 100 parts by volume of the mixed solvent.
    Type: Application
    Filed: September 13, 2004
    Publication date: May 5, 2005
    Inventors: Kwang-Chun Kim, Jin-Sung Kim, Min-Ho Song, Jang-Ho Yoon, Teak-Hyen Kwon, Jin-Uk Lee, Chang-Seob Kim
  • Patent number: 6887616
    Abstract: An electrode unit and a secondary battery having the electrode unit include a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material, a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material, and a separator interposed between the first electrode plate and the second electrode plate, wherein an insulating separator having at least two folds is located between the first electrode uncoated portion and the second electrode uncoated portion.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: May 3, 2005
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chang-Seob Kim, Su-Jin Han, Min-Ho Song, Jun-Won Kang, Ju-Hyung Kim, Soo-Youn Maeng
  • Publication number: 20050042516
    Abstract: An electrode assembly including a first electrode strip having a first electrode collector coated with at least a first electrode active material, an exposed portion of the first electrode collector attached with a first electrode tab; a second electrode strip having a second electrode collector coated with at least a second electrode active material and is rolled together with the first electrode strip, an exposed portion of the second electrode collector is attached with a second electrode tab; and at least one inter-electrode strip separator is positioned between the first and second electrode strips, wherein at least one sheet of protective separator, which is extended from the inter-electrode strip separator, is further positioned on a side of the first electrode strip attached with the first electrode tab.
    Type: Application
    Filed: August 5, 2004
    Publication date: February 24, 2005
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Won-Seog Oh, Soon-Ki Woo, Kwang-Soo Kim, Chang-Seob Kim
  • Publication number: 20050042508
    Abstract: A secondary battery includes an electrode assembly with a positive electrode plate, a negative electrode plate, and a separator disposed between the positive and the negative electrode plates. A can in which the electrode assembly is mounted has an opening portion. A cap assembly is mounted at the opening portion of the can to seal the can. The cap assembly has a cap plate fitted to the opening portion of the can, and the hardness of the can is greater than the hardness of the cap plate.
    Type: Application
    Filed: August 19, 2004
    Publication date: February 24, 2005
    Inventors: Chang-Seob Kim, Su-Jin Han
  • Publication number: 20040234846
    Abstract: A secondary battery includes an electrode unit having a first electrode plate, a second electrode plate, a separator interposed therebetween, and first and second electrode tabs respectively extending from the first and second electrode plates, a can adapted to accommodate the electrode unit and an electrolytic solution, and a cap plate adapted to seal the can and having an electrolytic solution inlet, wherein the electrolytic solution inlet has an area on one surface of the cap plate different from that on another surface of the cap plate.
    Type: Application
    Filed: March 4, 2004
    Publication date: November 25, 2004
    Inventors: Su-Jin Han, Chang-Seob Kim, Yoon-Tai Kwak, Soo-Youn Maeng, Ju-Hyung Kim
  • Publication number: 20040180259
    Abstract: An electrode unit and a secondary battery having the electrode unit include a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material, a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material, and a separator interposed between the first electrode plate and the second electrode plate, wherein an insulating separator having at least two folds is located between the first electrode uncoated portion and the second electrode uncoated portion.
    Type: Application
    Filed: December 17, 2003
    Publication date: September 16, 2004
    Applicant: SAMSUNG SDI Co., Ltd.
    Inventors: Chang-Seob Kim, Su-Jin Han, Min-Ho Song, Jun-Won Kang, Ju-Hyung Kim, Soo-Youn Maeng
  • Publication number: 20040161662
    Abstract: A jelly-roll type battery unit, a winding method thereof and a lithium secondary battery comprising the battery unit include a first electrode plate having a first electrode current collector with a first electrode tab and a first electrode active material layer coated on at least one surface of the first electrode current collector, a second electrode plate having a second electrode current collector with a second electrode tab and a second electrode active material layer coated on at least one surface of the second electrode current collector, and a separator that is interposed between the first electrode plate and the second electrode plate, wherein the electrode tab is incorporated into the electrode current collector in an area of either the first or the second electrode plate where the corresponding electrode active material layer is not coated.
    Type: Application
    Filed: December 31, 2003
    Publication date: August 19, 2004
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Chang-Seob Kim, Ju-Hyung Kim, Min-Ho Song, Jung-Won Kang
  • Publication number: 20040137331
    Abstract: A separator for a lithium battery having an elastic modulus of 2.0 kgf/mm2 or less, and a lithium battery employing the separator and a method of manufacture thereof are provided.
    Type: Application
    Filed: December 29, 2003
    Publication date: July 15, 2004
    Inventors: Su-Jin Han, Chang-Seob Kim, Yoon-Tai Kwak, Ju-Hyung Kim, Soo-Youn Maeng, Jun-Won Kang
  • Publication number: 20040126651
    Abstract: A lithium secondary battery includes a can made of a conductive metal. The can houses an electrode unit having positive and negative electrode plates with a separator interposed therebetween with an electrolytic solution. An upper opening of the can is sealed by a cap assembly. A bottom plate is welded to an outer bottom surface of the can, and a lead plate having a first end welded to the outer bottom surface of the can and a second end connected to a safety device so that the can is electrically connected to the safety device.
    Type: Application
    Filed: December 18, 2003
    Publication date: July 1, 2004
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Chang-Seob Kim, Su-Jin Han, Min-Ho Gong, Jun-Won Kang, Soo-Youn Maeng, Ju-Hyung Kim
  • Publication number: 20040126648
    Abstract: An electrode unit of a secondary battery prevents deviated winding of electrode plates of the electrode unit and prevents the position of an electrode tab from shifting during winding and a secondary battery having the electrode unit. The secondary battery includes an electrode unit having a first electrode plate having a first electrode uncoated portion on at least one side of a first electrode collector coated with at least a first electrode active material, a second electrode plate having a second electrode uncoated portion on at least one side of a second electrode collector coated with at least a second electrode active material, a separator interposed between the first electrode plate and the second electrode plate, and a case accommodating the electrode unit to be sealed and having a terminal portion electrically connected to the electrode unit.
    Type: Application
    Filed: December 8, 2003
    Publication date: July 1, 2004
    Applicant: SAMSUNG SDI Co.,Ltd.
    Inventors: Jun-Won Kang, Su-Jin Han, Chang-Seob Kim, Yoon-Tai Kwak, Ju-Hyung Kim, Soo-Youn Maenn, Min-Ilo Bong
  • Publication number: 20040126650
    Abstract: An electrode assembly for a lithium ion cell and a lithium ion cell using the electrode assembly are provided. The electrode assembly for a lithium ion cell includes a positive electrode plate, a separator and a negative electrode plate, which are sequentially stacked and wound. A positive electrode lead is electrically coupled to the positive electrode plate and is led from the positive electrode plate. A negative electrode lead is electrically coupled to the negative electrode plate and has a current interrupter which is capable of causing a disconnection in the event of an over-current.
    Type: Application
    Filed: September 23, 2003
    Publication date: July 1, 2004
    Applicant: Samsung SDI Co., Ltd.
    Inventor: Chang-Seob Kim
  • Publication number: 20030170534
    Abstract: Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a rechargeable lithium battery using the same. The negative active material composition includes a negative active material, an additive capable of forming a surface electrolyte interface film on a negative electrode during charge and discharge, a binder, and an organic solvent.
    Type: Application
    Filed: February 21, 2003
    Publication date: September 11, 2003
    Inventors: Chang-Seob Kim, Ju-Hyung Kim, Un-Sick Park
  • Patent number: 6329097
    Abstract: A roll electrode assembly of a secondary battery includes a positive electrode rolled having a plurality of turns, a negative electrode rolled having a plurality of turns, and first and second separators each rolled to have a plurality of turns. Each turn of the first separator is disposed between each outer surface of the turns of the negative electrode and each inner surface of the turns of the positive electrode. Each turn of the second separator is disposed between each outer surface of the turns of the positive electrode and each inner surface of the turns of the negative electrode. The thickness of the second separator is thinner than that of the first separator.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: December 11, 2001
    Assignee: Samsung SDI, Co., Ltd.
    Inventor: Chang-Seob Kim
  • Patent number: 6258478
    Abstract: A roll electrode assembly used in a secondary battery includes a positive electrode applied with a positive active material, a negative electrode applied with a negative active material, and a separator disposed between said positive and negative electrodes. A thickness of the positive or negative active materials applied on opposite sides of positive or negative substrates of the positive or negative electrodes are different from each other such that the capacity ratio between the positive and negative electrodes can be maintained above 1.
    Type: Grant
    Filed: August 25, 1998
    Date of Patent: July 10, 2001
    Assignee: Samsung Display Devices Co., Ltd.
    Inventor: Chang Seob Kim
  • Patent number: 6168879
    Abstract: The present invention provides a cap assembly for a secondary battery having a can and a roll electrode assembly received in the can. The cap assembly comprises a negative plate for mounting on an upper end of the can, a positive plate disposed on the negative plate, an insulating member disposed between the negative and positive plates, a current control member disposed on the positive plate, and a rivet penetrating central portions of the negative and positive plates, the rivet being insulated from the negative plate by a gasket and connected to the roll electrode assembly through a tab. The current control member reduces conductivity between the rivet and the positive plate, thereby cutting off the flow of the current.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: January 2, 2001
    Assignee: Samsung Display Devices Co., Ltd.
    Inventor: Chang-Seob Kim
  • Patent number: 6117586
    Abstract: A cap assembly of a battery, comprising: a cap plate for covering the upper portion of a battery case; a positive terminal installed on the cap plate, insulated from the cap plate; a rivet member having a rivet protrusion, through which a vent hole is formed, inserted through holes formed in the cap plate and the positive terminal for riveting them together, the rivet member electrically connected to the positive terminal; a safety member installed at the lower end of rivet member, blocking the vent hole; and a positive tap fixing member attached to the lower end of the safety member and joined to a positive tap of an electrode assembly in the battery case, wherein the safety member is ruptured and separated from the positive tap fixing member by an internal pressure increase of the battery case.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: September 12, 2000
    Assignee: Samsung Display Devices, Ltd.
    Inventors: Chang-seob Kim, Hyun-woo Kim, Ki-woong Jang, E-ju Hwang, Eui-sun Hong, Yoshiaki Miura
  • Patent number: 6083640
    Abstract: A secondary battery includes a case, a rolled electrode assembly disposed within the case, and an electrode assembly fixing member receiving a portion of the rolled electrode assembly so that expansion and contraction of the rolled electrode assembly can be suppressed during charging and discharging operations of the battery, and deformation of the rolled electrode assembly caused by outer impact can be prevented. The electrode assembly fixing member comprises a cap fitted onto at least one of upper and lower ends of the rolled electrode assembly. The electrode assembly fixing member further comprises a gripper holding the rolled electrode assembly.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: July 4, 2000
    Assignee: Samsung Display Device Co., Ltd.
    Inventors: Jin-Uk Lee, Jun-Won Kang, Chang-Seob Kim
  • Patent number: 5990603
    Abstract: A cathode structure of an electron gun for a cathode ray tube includes: a substrate (51); cathode electrode layers (52) formed on the substrate (51) and spaced apart from each other at predetermined intervals; a plurality of metal tips (53); an insulating layer (54) formed on the cathode electrode layers (52) and the substrate (51) to isolate each of the metal tips (53) from each other; a gate electrode layer having a first gate electrode portion (56) having a gate through which the metal tips (53) are exposed and formed on top of the insulating layer (54), and a second gate electrode portion (57) extending horizontally from said first gate portion (56) and divided into several parts by a plurality of gaps (60) for reducing the capacitance between the cathode electrode layers (52) and the second gate electrode portion (57).
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: November 23, 1999
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Chang-seob Kim, Bong-uk Jeong
  • Patent number: 5985478
    Abstract: There is provided a cap assembly for a rectangular battery comprising a cap cover in which a vent hole is formed, a positive electrode terminal which has a through hole leading to the discharge hole and combines with the upper portion of the cap cover having an insulating plate interposed therebetween, a positive electrode tab connected to a positive electrode of an electrode assembly, a conductive safety vent support having a hollow rivet protrusion passing through the vent hole of the cap cover and the through hole of the positive electrode terminal to be coupled to the positive electrode terminal, and a conical conductive safety vent whose upper circumferential portion combines with the bottom surface of the safety vent support to seal the hollow of the rivet protrusion, and whose vertex contacts the upper surface of the positive electrode tab, wherein the vertex of the safety vent separates from the positive electrode tab when the internal pressure of the battery increases to a predetermined level.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: November 16, 1999
    Assignee: Samsung Display Devices Co., Ltd.
    Inventor: Chang-seob Kim