Patents by Inventor Insik Jin

Insik Jin 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: 7881104
    Abstract: Magnetic memory having separate read and write paths is disclosed. The magnetic memory unit includes a ferromagnetic strip having a first end portion with a first magnetization orientation, an opposing second end portion with a second magnetization orientation, and a middle portion between the first end portion and the second end portion, the middle portion having a free magnetization orientation. The first magnetization orientation opposes the second magnetization orientation. A tunneling barrier separates a magnetic reference layer from the middle portion forming a magnetic tunnel junction. A bit line is electrically coupled to the second end portion. A source line is electrically coupled to the first end portion and a read line is electrically coupled to the magnetic tunnel junction.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: February 1, 2011
    Assignee: Seagate Technology LLC
    Inventors: Yong Lu, Hongyue Liu, Zheng Gao, Insik Jin, Dimitar V. Dimitrov
  • Patent number: 7875923
    Abstract: A non-volatile memory cell that has a charge source region, a charge storage region, and a crested tunnel barrier layer that has a potential energy profile which peaks between the charge source region and the charge storage region. The tunnel barrier layer has multiple high-K dielectric materials, either as individual layers or as compositionally graded materials.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: January 25, 2011
    Assignee: Seagate Technology LLC
    Inventors: Wei Tian, Insik Jin, Dimitar V. Dimitrov, Song S. Xue
  • Publication number: 20110007546
    Abstract: An anti-parallel diode structure and method of fabrication is presently disclosed. In some embodiments, an anti-parallel diode structure has a semiconductor region comprising a first insulator layer disposed between a first semiconductor layer and a second semiconductor layer. The semiconductor region can be bound on a first side by a first metal material and bound on a second side by a second metal material so that current below a predetermined value is prevented from passing through the semiconductor region and current above the predetermined value passes through the semiconductor region.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Nurul Amin, Insik Jin, Venugopalan Vaithyanathan, Wei Tian, YoungPil Kim
  • Publication number: 20110007544
    Abstract: A non-volatile memory cell and method of use therefore are disclosed. In accordance with various embodiments, the memory cell comprises a tunneling region disposed between a conducting region and a metal region, wherein the tunneling region comprises an active interface region disposed between a first tunneling barrier and a second tunneling barrier. A high resistive film is formed in the active interface region with migration of ions from both the metal and conducting regions responsive to a write current to program the memory cell to a selected resistive state.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Venugopalan Vaithyanathan, Markus Jan Peter Siegert, Wei Tian, Muralikrishnan Balakrishnan, Insik Jin
  • Publication number: 20110006276
    Abstract: A switching element that includes a first semiconductor layer, the first semiconductor layer having a first portion and a second portion; a second semiconductor layer, the second semiconductor layer having a first portion and a second portion; an insulating layer disposed between the first semiconductor layer and the second semiconductor layer; a first metal contact in contact with the first portion of the first semiconductor layer forming a first junction and in contact with the first portion of the second semiconductor layer forming a second junction; a second metal contact in contact with the second portion of the first semiconductor layer forming a third junction and in contact with the second portion of the second semiconductor layer forming a fourth junction, wherein the first junction and the fourth junction are Schottky contacts, and the second junction and the third junction are ohmic contacts.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Young Pil Kim, Nurul Amin, Dadi Setiadi, Venugopalan Vaithyanathan, Wei Tian, Insik Jin
  • Publication number: 20110007545
    Abstract: A non-volatile memory cell and method of use thereof. In some embodiments, an individually programmable resistive sense memory (RSM) element is connected in series with a programmable metallization cell (PMC) switching element. In operation, while the switching element is programmed to a first resistive state, no current passes through the RSM element and while a second resistive state is programmed to the RSM element, current passes through the RSM element.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Insik Jin, YoungPil Kim, Ming Sun, Chulmin Jung, Venugopalan Vaithyanathan, Nurul Amin, Wei Tian, Yong Lu
  • Publication number: 20110007548
    Abstract: A method and apparatus for reading data from a non-volatile memory cell. In some embodiments, a cross-point array of non-volatile memory cells is arranged into rows and columns. A selection circuit is provided that is capable of activating the first block of memory cells while deactivating the second block of memory cells. Further, a read circuit is provided that is capable of reading a logical state of a predetermined memory cell in the first block of memory cells with a reduced leak current by programming a first resistive state to the block selection elements corresponding to the first block of memory cells while programming a second resistive state to the block selection elements corresponding to the second block of memory cells.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Chulmin Jung, Yong Lu, Insik Jin, YoungPil Kim, Harry Hongyue Liu
  • Publication number: 20110007581
    Abstract: A method and apparatus for reading data from a non-volatile memory cell. In some embodiments, a cross-point array of non-volatile memory cells is arranged into rows and columns that are each controlled by a line driver. A read circuit is provided that is capable of reading a logical state of a predetermined memory cell by differentiating a non-integrated first reference value from a non-integrated second reference value. Further, each reference value is measured immediately after configuring the column corresponding to the predetermined memory cell to produce a first and second amount of current.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: Seagate Technology LLC
    Inventors: Chulmin Jung, Insik Jin, YoungPil Kim, Yong Lu, Harry Hongyue Liu, Andrew John Carter
  • Publication number: 20110007551
    Abstract: A non-volatile memory cell and associated method is disclosed that includes a non-ohmic selection layer. In accordance with some embodiments, a non-volatile memory cell consists of a resistive sense element (RSE) coupled to a non-ohmic selection layer. The selection layer is configured to transition from a first resistive state to a second resistive state in response to a current greater than or equal to a predetermined threshold.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Wei Tian, Insik Jin, Venugopalan Vaithyanathan, Haiwen Xi, Michael Xuefei Tang, Brian Lee
  • Publication number: 20110002161
    Abstract: A memory cell comprising a phase-change memory cell stacked in series with a resistive switch. The resistive switch has a material switchable between a high resistance state and a low resistance state by the application of a voltage. A plurality of memory cells are used to form a memory array.
    Type: Application
    Filed: July 6, 2009
    Publication date: January 6, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Insik Jin, Nurul Amin, Wei Tian, Young Pil Kim, Venugopalan Vaithyanathan, Ming Sun, Chulmin Jung
  • Publication number: 20100277969
    Abstract: A resistive random access memory (RRAM) cell that includes a first electrode having a lower portion, a continuous side portion and an upper portion, the lower portion and the continuous side portion having an outer surface and an inner surface; a resistive layer having a lower portion, a continuous side portion and an upper portion, the lower portion and the continuous side portion having an outer surface and an inner surface; and a second electrode having a lower portion, an upper portion and an outer surface; wherein the outer surface of the resistive layer directly contacts the inner surface of the first electrode.
    Type: Application
    Filed: July 14, 2010
    Publication date: November 4, 2010
    Applicant: SEAGATE TECHNOLOGY LLC.
    Inventors: Shaoping Li, Insik Jin, Zheng Gao, Eileen Yan, Kaizhong Gao, Haiwen Xi, Song Xue
  • Patent number: 7800941
    Abstract: A memory apparatus having at least one memory cell set comprising a first spin torque memory cell electrically connected in series to a second spin torque memory cell, with each spin torque memory cell configured to switch between a high resistance state and a low resistance state. The memory cell set itself is configured to switch between a high resistance state and a low resistance state. The memory apparatus also has at least one reference cell set comprising a third spin torque memory cell electrically connected in anti-series to a fourth spin torque memory cell, with each spin torque memory cell configured to switch between a high resistance state and a low resistance state. The reference cell set itself has a reference resistance that is a midpoint of the high resistance state and the low resistance state of the memory cell set.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: September 21, 2010
    Assignee: Seagate Technology LLC
    Inventors: Young Pil Kim, Chulmin Jung, Hyung-Kew Lee, Insik Jin, Michael Xuefei Tang
  • Patent number: 7795606
    Abstract: Method and apparatus for constructing a non-volatile memory cell, such as a modified RRAM cell. In some embodiments, a memory cell comprises a resistive storage layer disposed between a first electrode layer and a second electrode layer. Further in some embodiments, the storage layer has a localized region of decreased thickness to facilitate formation of a conductive filament through the storage layer from the first electrode to the second electrode.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: September 14, 2010
    Assignee: Seagate Technology LLC
    Inventors: Insik Jin, Yang Li, Dadi Setiadi, Song S. Xue
  • Patent number: 7791925
    Abstract: A resistive random access memory (RRAM) cell that includes a first electrode having a lower portion, a continuous side portion and an upper portion, the lower portion and the continuous side portion having an outer surface and an inner surface; a resistive layer having a lower portion, a continuous side portion and an upper portion, the lower portion and the continuous side portion having an outer surface and an inner surface; and a second electrode having a lower portion, an upper portion and an outer surface; wherein the outer surface of the resistive layer directly contacts the inner surface of the first electrode.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 7, 2010
    Assignee: Seagate Technology, LLC
    Inventors: Shaoping Li, Insik Jin, Zheng Gao, Eileen Yan, Kaizhong Gao, Haiwen Xi, Song Xue
  • Publication number: 20100220512
    Abstract: Various embodiments of the present invention are generally directed to an apparatus comprising a programmable power source which uses an array of resistive sense memory cells, such as but not limited to STRAM or RRAM cells, to provide a controlled power bias to a load, such as but not limited to a micro-oscillator. In some embodiments, the programmable power source incorporates an array of serially connected resistive sense memory cells. A selectively controllable power level is applied by the programmable power source to a load in relation to a control input which selectively programs at least selected ones of the memory cells to a selected resistance state.
    Type: Application
    Filed: March 2, 2009
    Publication date: September 2, 2010
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Yiran Chen, Insik Jin, Hai Li, Dimitar V. Dimitrov, Dexin Wang
  • Publication number: 20100207219
    Abstract: A magnetic memory device includes a first electrode separated from a second electrode by a magnetic tunnel junction. The first electrode provides a write current path along a length of the first electrode. The magnetic tunnel junction includes a free magnetic layer having a magnetization orientation that is switchable between a high resistance state magnetization orientation and a low resistance state magnetization orientation. The free magnetic layer is spaced from the first electrode a distance of less than 10 nanometers. A current passing along the write current path generates a magnetic field. The magnetic field switches the free magnetic layer magnetization orientation between a high resistance state magnetization orientation and a low resistance state magnetization orientation.
    Type: Application
    Filed: February 17, 2009
    Publication date: August 19, 2010
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Insik Jin, Hongyue Liu, Yong Lu, Xiaobin Wang
  • Publication number: 20100193761
    Abstract: Programmable metallization memory cells having an active electrode, an opposing inert electrode and a variable resistive element separating the active electrode from the inert electrode. The variable resistive element includes a plurality of alternating solid electrolyte layers and electrically conductive layers. The electrically conductive layers electrically couple the active electrode to the inert electrode in a programmable metallization memory cell. Methods to form the same are also disclosed.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 5, 2010
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Nurul Amin, Insik Jin, Wei Tian, Andrew James Wirebaugh, Venugopalan Vaithyanathan, Ming Sun
  • Publication number: 20100182837
    Abstract: An apparatus includes at least one memory device including a floating gate element and a magnetic field generator that operably applies a magnetic field to the memory device. The magnetic field directs electrons in the memory device into the floating gate element.
    Type: Application
    Filed: January 19, 2009
    Publication date: July 22, 2010
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Insik Jin, Yang Li, Hongyue Liu, Song S. Xue
  • Patent number: 7750386
    Abstract: A memory cell that includes a first contact having a first surface and an opposing second surface; a second contact having a first surface and an opposing second surface; a memory material layer having a first surface and an opposing second surface; and a nanoporous layer having a first surface and an opposing second surface, the nanoporous layer including at least one nanopore and dielectric material, the at least one nanopore being substantially filled with a conductive metal, wherein a surface of the nanoporous layer is in contact with a surface of the first contact or the second contact and the second surface of the nanoporous layer is in contact with a surface of the memory material layer.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: July 6, 2010
    Assignee: Seagate Technology LLC
    Inventors: Wei Tian, Venkatram Venkatasamy, Ming Sun, Michael Xuefei Tang, Insik Jin, Dimitar V. Dimitrov
  • Publication number: 20100135061
    Abstract: In some embodiments of the invention a non-volatile memory cell is provided with a first electrode, a second electrode, and one or more side layers of a ferroelectric metal oxide and a ferroelectric material layer between the first and second electrodes. The ferroelectric material layer may be provided between, e.g., adjacent, two side layers of a ferroelectric metal oxide or between a single layer of a ferroelectric metal oxide and an electrode. The ferroelectric metal oxide may in some cases include a uniform layered structure such as a bismuth layer-structured ferroelectric material like Bi4Ti3O12. In some embodiments, the ferroelectric material layer is formed at least partially from PbZrxTi1-xO3. A non-volatile memory array including such memory cells is also provided.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 3, 2010
    Inventors: Shaoping Li, Kaizhong Gao, Insik Jin, Song Xue, Haiwen Xi, Zheng Gao, Eileen Yan