Patents by Inventor Jong Chern Lee

Jong Chern Lee 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).

  • Patent number: 8946869
    Abstract: An integrated circuit that detects whether a through silicon via has defects or not, at a wafer level. The integrated circuit includes a semiconductor substrate, a through silicon via configured to be formed in the semiconductor substrate to extend to a certain depth from the surface of the semiconductor substrate, an output pad, and a current path providing unit configured to provide a current, flowing between the semiconductor substrate and the through silicon via, to the output pad during a test mode.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: February 3, 2015
    Assignee: SK Hynix Inc.
    Inventors: Dae-Suk Kim, Jong-Chern Lee, Chul Kim
  • Patent number: 8923079
    Abstract: A semiconductor apparatus having a data bit inversion function and, the semiconductor apparatus including a first semiconductor chip and a second semiconductor chip electrically coupled to the first semiconductor chip, wherein the first semiconductor chip may be configured to receive data and a data bit inversion flag, and transfer the data to the second semiconductor chip, and the second semiconductor chip may be configured to invert and store the data, which is transferred from the first semiconductor chip, according to to the data bit inversion flag.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: December 30, 2014
    Assignee: SK Hynix Inc.
    Inventors: Heat Bit Park, Jong Chern Lee
  • Patent number: 8917569
    Abstract: A semiconductor apparatus includes a signal transmission block and signal reception blocks. The signal transmission block is disposed in a first chip and configured to transmit fuse information in synchronization with transmission control signals. The signal reception blocks are respectively disposed in the first chip and a second chip and configured to receive the fuse information in synchronization with reception control signals.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: December 23, 2014
    Assignee: SK Hynix Inc.
    Inventors: Min Seok Choi, Jong Chern Lee
  • Publication number: 20140357074
    Abstract: In a semiconductor apparatus, a plurality of semiconductor chips including through-silicon vias are stacked in a vertical direction, wherein the through-silicon via formed in each semiconductor chip protrudes beyond heights of each semiconductor chip.
    Type: Application
    Filed: August 14, 2014
    Publication date: December 4, 2014
    Inventors: Chul KIM, Jong Chern LEE
  • Patent number: 8829933
    Abstract: Various embodiments of a semiconductor apparatus and related methods are disclosed. In one exemplary embodiment, a semiconductor apparatus may include a chip, scribe lanes disposed around the chip, and a probe test logic circuit for conducting a probe test on the chip. The probe test logic circuit is disposed on a portion of the scribe lanes.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: September 9, 2014
    Assignee: SK Hynix Inc.
    Inventors: Tae Sik Yun, Jong Chern Lee
  • Patent number: 8823181
    Abstract: In a semiconductor apparatus, a plurality of semiconductor chips including through-silicon vias are stacked in a vertical direction, wherein the through-silicon via formed in each semiconductor chip protrudes beyond heights of each semiconductor chip.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: September 2, 2014
    Assignee: SK Hynix Inc.
    Inventors: Chul Kim, Jong Chern Lee
  • Patent number: 8760181
    Abstract: A semiconductor system for identifying stacked chips includes a first semiconductor chip and a plurality of second semiconductor chips. The first semiconductor chip generates a plurality of counter codes by using an internal clock or an external input clock and transmits slave address signals and the counter codes through a through-chip via. The second semiconductor chips are given corresponding identifications (IDs) by latching the counter codes for a predetermined delay time, compare the latched counter codes with the slave address signals, and communicate data with the first semiconductor chip through the through-chip via according to the comparison result.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: June 24, 2014
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sang-Jin Byeon, Jong-Chern Lee
  • Patent number: 8687439
    Abstract: A semiconductor memory apparatus includes one or more semiconductor chips configured to have predetermined capacity and structure; and a signal level control unit configured to control levels of external signals, which are input to the one or more semiconductor chips, in order to realize various capacities and structures using the one or more semiconductor chips.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: April 1, 2014
    Assignee: SK Hynix Inc.
    Inventors: Jae Bum Ko, Jong Chern Lee
  • Publication number: 20140043057
    Abstract: A semiconductor apparatus includes a test voltage application unit, a first pad and a second pad. The test voltage application unit is configured to apply a test voltage to first and second TSVs in response to a test mode signal. The first pad is configured to output a first test signal outputted from the first TSV. And the second pad is configured to output a second test signal outputted from the second TSV.
    Type: Application
    Filed: December 21, 2012
    Publication date: February 13, 2014
    Applicant: SK HYNIX INC.
    Inventors: Chul KIM, Jong Chern LEE
  • Patent number: 8599627
    Abstract: A semiconductor memory apparatus includes a first data input/output line configured to transmit data from a first memory bank; a second data input/output line configured to transmit the data from the first memory bank; a first data output section configured to align and output data transmitted through the first data input/output line based on an input/output mode; and a second data output section configured to align and output either data transmitted through the first input/output line or the second data input/output line based on the input/output mode and an address signal.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 3, 2013
    Assignee: SK Hynix Inc.
    Inventors: Jae Il Kim, Jong Chern Lee
  • Patent number: 8581369
    Abstract: A semiconductor wafer includes at least one chip formed on a substrate, and a scribe line region surrounding the chip. The chip includes a device formation region, and a chip boundary region surrounding the device formation region and formed between the device formation region and the scribe line region. The chip boundary region includes a guard ring structure which physically separates the device formation region from the scribe line region. The guard ring structure includes a signal transfer element which transfers an electric signal between the device formation region and the scribe line region.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 12, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Jun-Gi Choi, Jong-Chern Lee
  • Patent number: 8547764
    Abstract: A semiconductor memory device includes a plurality of data transmission lines, a plurality of parallel-to-serial conversion sections configured to receive, serially align, and output data from at least two of the plurality of data transmission lines, a plurality of data compression circuits configured to receive, compress, and output outputs of at least two of the plurality of parallel-to-serial conversion sections, and a plurality of data output circuits configured to output respective compression results of the plurality of data compression circuits to an outside of a chip.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: October 1, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Jae-Woong Yun, Jong-Chern Lee, Hee-Jin Byun
  • Publication number: 20130241054
    Abstract: In a semiconductor apparatus, a plurality of semiconductor chips including through-silicon vias are stacked in a vertical direction, wherein the through-silicon via formed in each semiconductor chip protrudes beyond heights of each semiconductor chip.
    Type: Application
    Filed: September 5, 2012
    Publication date: September 19, 2013
    Applicant: SK hynix Inc.
    Inventors: Chul KIM, Jong Chern LEE
  • Publication number: 20130234326
    Abstract: A semiconductor apparatus comprises of a first semiconductor chip having a through silicon via (TSV) and a second semiconductor chip also having a TSV, wherein the respective semiconductor chips are stacked vertically and are connected through a conductive connection member without the assistance of an additional bump between the conductive connection member and the second semiconductor chip.
    Type: Application
    Filed: September 5, 2012
    Publication date: September 12, 2013
    Applicant: SK HYNIX INC.
    Inventors: Chul KIM, Jae Jin LEE, Jong Chern LEE
  • Patent number: 8487431
    Abstract: A semiconductor integrated circuit having a multi-chip structure includes a plurality of stacked semiconductor chips. At least one of the semiconductor chips includes first and second metal layers separately formed inside the semiconductor chip, a first internal circuit coupled in series between the first and second metal layers inside the semiconductor chip, a first metal path vertically formed over the second metal layer to a first side of the semiconductor chip, and a first through silicon via formed through the semiconductor chip from a second side of the semiconductor chip to the first metal layer.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: July 16, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sin-Hyun Jin, Jong-Chern Lee
  • Patent number: 8482331
    Abstract: An open loop type delay locked loop includes a delay amount pulse generation unit configured to generate a delay amount pulse having a pulse width corresponding to a delay amount for delay locking a clock signal, a delay amount coding unit configured to output a code value by coding the delay amount in response to the delay amount pulse, a clock control unit configured to adjust a toggling period of the clock signal in response to a control signal, and a delay line configured to delay an adjusted clock signal outputted from the clock control unit in response to the code value.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: July 9, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Seung-Joon Ahn, Jong-Chern Lee
  • Patent number: 8477545
    Abstract: A semiconductor apparatus includes a plurality of stacked chips. At least two of the chips are configured to receive a column command and generate a column control signal based on the column command. Generation timing of the column control signal generated based on a column command in one of the at least two chips substantially coincide with the generation timing in the other of the at least two of the plurality of chips.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: July 2, 2013
    Assignee: SK Hynix Inc.
    Inventors: Sin Hyun Jin, Jong Chern Lee
  • Patent number: 8451037
    Abstract: A duty cycle correction circuit includes a duty cycle control unit configured to generate a corrected clock signal by correcting a duty cycle of an input clock signal in response to a control signal, a duty cycle detection unit configured to detect a duty cycle of the corrected clock signal and output a detection signal, and a control signal generation unit configured to generate the control signal in response to the detection signal.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: May 28, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Seung-Joon Ahn, Jong-Chern Lee
  • Patent number: 8446197
    Abstract: A delay locked loop includes a delay pulse generation unit, a coding unit, and a delay line. The delay pulse generation unit is configured to generate a delay pulse having a certain width. The coding unit is configured to code the delay pulse and output a code value. The delay line is configured to delay an input clock by the code value, and generate a delayed locked clock. The delay pulse has a logic high level state during a third period equivalent to a difference between a first period, which corresponds to an integer multiple of the input clock, and a second period, which is a certain replica delay period.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: May 21, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Seung-Joon Ahn, Jong-Chern Lee
  • Patent number: 8436651
    Abstract: A command control circuit of a semiconductor integrated device includes a plurality of latches sequentially connected and receiving a command signal, and a plurality of selection switches configured to pass or to interrupt the command signal inputted to each one of the plurality of latches.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: May 7, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hyun-Su Yoon, Jong-Chern Lee