Patents by Inventor Tzung-Han Lee

Tzung-Han 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).

  • Publication number: 20130168811
    Abstract: The instant disclosure relates to a capacitor having multi-layered electrodes. The capacitor includes a dielectric layer having a first surface and a second surface oppositely arranged, a first electrode formed on the first surface, and a second electrode formed on the second surface. At least one of the first and second electrodes having a low band gap material layer formed on the dielectric layer and a conducting layer formed on the low band gap material layer. The band gap of the low band gap material layer is lower than the band gap of the conducting layer.
    Type: Application
    Filed: March 12, 2012
    Publication date: July 4, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG, RON-FU CHU
  • Patent number: 8471664
    Abstract: A transformer without coil racks includes a winding set, multiple conductive plates and an insulation mounting sheet. The winding set includes a coil portion and a magnetic core set running through the coil portion. The magnetic core set includes at least one inner magnetic core portion and at least two outer magnetic core portions that are spaced from each other by a gap. Each conductive plate includes a connecting section and two extended arms connected to two ends of the connecting section and running through the gap. The insulation mounting sheet includes multiple retaining slots corresponding to the gap to allow the extended arms to pass through and multiple retaining portions each being formed between two neighboring retaining slots to prevent the extended arms from contacting each other. The conductive plates run through the retaining slots and are confined by the retaining portions from moving.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: June 25, 2013
    Assignee: Zippy Technology Corp.
    Inventors: Yung-Hsin Huang, Tzung-Han Lee, Yun-Chen Chen
  • Patent number: 8471320
    Abstract: A memory array layout includes an active region array having a plurality of active regions, wherein the active regions are arranged alternatively along a second direction and parts of the side of the adjacent active regions are overlapped along a second direction; a plurality of first doped region, wherein each first doped region is disposed in a middle region; a plurality of second doped region, wherein each second doped region is disposed in a distal end region respectively; a plurality of recessed gate structures; a plurality of word lines electrically connected to each recessed gate structure respectively; a plurality of digit lines electrically connected to the first doped region respectively; and a plurality of capacitors electrically connected to each second doped region respectively.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: June 25, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Publication number: 20130146954
    Abstract: The present invention provides a memory array including a substrate, an isolation region, a plurality of active regions, a plurality of buried bit lines, a plurality of word lines, a plurality of drain regions and a plurality of capacitors. The isolation region and the active regions are disposed in the substrate and the active regions are encompassed and isolated by the isolation region. The buried bit lines are disposed in the substrate and extend in the second direction. The word lines are disposed in the substrate extend in the first direction. The drain regions are disposed in the active region not covered by the word lines. The capacitors are disposed on the substrate and electrically connected to the drain regions.
    Type: Application
    Filed: March 26, 2012
    Publication date: June 13, 2013
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Publication number: 20130140620
    Abstract: The present invention discloses a flash memory. The flash memory includes a substrate and a memory string, a plurality of landing pads, a plurality of common source lines, a plurality of bit line contacts and at least a bit line, which are disposed on the substrate in sequence. The memory string includes a plurality of storage transistors. The landing pads are disposed between each of the storage transistors. The common source lines and the bit line contact are electrically connected to the landing pads alternatively. The common line is disposed on the common line contacts and is electrically connected thereto. The present invention further provides a manufacturing method of making the same.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 6, 2013
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu, Dah-Wei Liu
  • Patent number: 8455363
    Abstract: A method for adjusting the trench depth of a substrate has the steps as follows. Forming a patterned covering layer on the substrate, wherein the patterned covering layer defines a wider spacing and a narrower spacing. Forming a wider buffering layer arranged in the wider spacing and a narrower buffering layer arranged in the narrower spacing. The thickness of the narrower buffering layer is thinner than the wider buffering layer. Implementing dry etching process to make the substrate corresponding to the wider and the narrower buffering layers form a plurality of trenches. When etching the wider and the narrower buffering layers, the narrower buffering layer is removed firstly, so that the substrate corresponding to the narrower buffering layer will be etched early than the substrate corresponding to the wider buffering layer.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: June 4, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang
  • Patent number: 8455319
    Abstract: A manufacturing method for a vertical transistor of random-access memory, having the steps of: defining an active region on a semiconductor substrate; forming a shallow trench isolation structure outside of the active region; etching the active region and forming a gate dielectric layer and a positioning gate thereon, forming a word line perpendicular to the positioning gate; forming spacing layers on the outer surfaces of the word line; implanting ions to the formed structure in forming an n-type and a p-type region on opposite sides of the word line with the active region; forming an n-type and a p-type floating body respectively on the n-type and p-type region; forming a source line perpendicular to the word line and connecting to the n-type floating body; forming a bit line perpendicular to the source line and connecting to the p-type floating body. Hence, a vertical transistor with steady threshold voltage is achieved.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: June 4, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung Han Lee, Chung-Yuan Lee, Hsien-Wen Liu
  • Publication number: 20130119448
    Abstract: A memory array layout includes an active region array having a plurality of active regions, wherein the active regions are arranged alternatively along a second direction and parts of the side of the adjacent active regions are overlapped along a second direction; a plurality of first doped region, wherein each first doped region is disposed in a middle region; a plurality of second doped region, wherein each second doped region is disposed in a distal end region respectively; a plurality of recessed gate structures; a plurality of word lines electrically connected to each recessed gate structure respectively; a plurality of digit lines electrically connected to the first doped region respectively; and a plurality of capacitors electrically connected to each second doped region respectively.
    Type: Application
    Filed: January 4, 2012
    Publication date: May 16, 2013
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Publication number: 20130113110
    Abstract: The present invention provides a semiconductor structure having a lateral TSV and a manufacturing method thereof. The semiconductor structure includes a chip having an active side, a back side disposed opposite to the active side, and a lateral side disposed between the active side and the back side. The chip further includes a contact pad, a lateral TSV and a patterned conductive layer. The contact pad is disposed on the active side. The lateral TSV is disposed on the lateral side. The patterned conductive layer is disposed on the active side and is electrically connected to the lateral TSV and the contact pad.
    Type: Application
    Filed: January 3, 2012
    Publication date: May 9, 2013
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu, Dah-Wei Liu
  • Patent number: 8431933
    Abstract: A memory layout structure is disclosed, in which, a lengthwise direction of each active area and each row of active areas form an included angle not equal to zero and not equal to 90 degrees, bit lines and word lines cross over each other above the active areas, the bit lines are each disposed above a row of active areas, bit line contact plugs or node contact plugs may be each disposed entirely on an source/drain region, or partially on the source/drain region and partially extend downward along a sidewall (edge wall) of the substrate of the active area to carry out a sidewall contact. Self-aligned node contact plugs are each disposed between two adjacent bit lines and between two adjacent word lines.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: April 30, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Hsien-Wen Liu
  • Publication number: 20130069428
    Abstract: A power system for actively maintaining operation includes a power supply unit electrically connected to a commercial power source, a back panel electrically connected to the power supply unit and an ON/OFF control unit. The power supply unit has an OFF state and an operating state to convert the power provided by the commercial power source for outputting. The back panel converges the output of the power supply unit and provides a driving power. The ON/OFF control unit has an input detection terminal electrically connected to the commercial power source to detect whether the commercial power source supplies power and at least one operation signal terminal to output an operation signal upon judging that the commercial power source supplies power to drive the power supply unit to enter the operating state.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 21, 2013
    Inventors: Tzung-Han LEE, Tsung-Te LEE
  • Publication number: 20130062674
    Abstract: A spin transfer torque random access memory includes a substance unit, a source line unit, an insulation unit, a transistor unit, a MTJ unit, and a bit line unit. The substance unit includes a substance layer. The source line unit includes a plurality of source lines formed inside the substance layer. The transistor unit includes a plurality of transistors respectively disposed on the source lines. Each transistor includes a source region formed on each corresponding source line, a drain region formed above the source region, a channel region formed between the source region and the drain region, and a surrounding gate region surrounding the source region, the drain region, and the channel region. The MTJ unit includes a plurality of MTJ structures respectively disposed on the transistors. The bit line unit includes at least one bit line disposed on the MTJ unit.
    Type: Application
    Filed: October 27, 2011
    Publication date: March 14, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG HAN LEE, CHUNG-LIN HUANG, RON FU CHU
  • Publication number: 20130062676
    Abstract: A flash memory structure includes a semiconductor substrate, a gate dielectric layer on the semiconductor substrate, a floating gate on the gate dielectric layer, a capacitor dielectric layer conformally covering the floating gate, wherein the capacitor dielectric layer forms a top surface and four sidewall surfaces; and an isolated conductive cap layer covering the top surface and the four sidewall surfaces.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 14, 2013
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu, Dah-Wei Liu
  • Publication number: 20130059442
    Abstract: A method for adjusting the trench depth of a substrate has the steps as follows. Forming a patterned covering layer on the substrate, wherein the patterned covering layer defines a wider spacing and a narrower spacing. Forming a wider buffering layer arranged in the wider spacing and a narrower buffering layer arranged in the narrower spacing. The thickness of the narrower buffering layer is thinner than the wider buffering layer. Implementing dry etching process to make the substrate corresponding to the wider and the narrower buffering layers form a plurality of trenches. When etching the wider and the narrower buffering layers, the narrower buffering layer is removed firstly, so that the substrate corresponding to the narrower buffering layer will be etched early than the substrate corresponding to the wider buffering layer.
    Type: Application
    Filed: October 27, 2011
    Publication date: March 7, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG-HAN LEE, CHUNG-LIN HUANG
  • Publication number: 20130052786
    Abstract: A fabricating method of a DRAM structure includes providing a substrate comprising a memory array region and a peripheral region. A buried gate transistor is disposed within the memory array region, and a planar gate transistor is disposed within the peripheral region. Furthermore, an interlayer dielectric layer covers the memory array region, the buried gate transistor and the planar gate transistor. Then, a capping layer of the planar gate transistor and part of the interlayer dielectric layer are removed simultaneously so that a first contact hole, a second contact hole and a third contact hole are formed in the interlayer dielectric layer. A drain doping region of the buried gate transistor is exposed through the first contact hole, a doping region of the planar gate transistor is exposed through the second contact hole, and a gate electrode of the planar gate transistor is exposed through the third contact hole.
    Type: Application
    Filed: November 16, 2011
    Publication date: February 28, 2013
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Patent number: 8373220
    Abstract: A NAND type flash memory for increasing data read/write reliability includes a semiconductor substrate unit, a base unit, and a plurality of data storage units. The semiconductor substrate unit includes a semiconductor substrate. The base unit includes a first dielectric layer formed on the semiconductor substrate. The data storage units are formed on the first dielectric layer. Each data storage unit includes two floating gates formed on the first dielectric layer, two inter-gate dielectric layers respectively formed on the two floating gates, two control gates respectively formed on the two inter-gate dielectric layers, a second dielectric layer formed on the first dielectric layer, between the two floating gates, between the two inter-gate dielectric layers, and between the two control gates, and a third dielectric layer formed on the first dielectric layer and surrounding and connecting with the two floating gates, the two inter-gate dielectric layers, and the two control gates.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: February 12, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung Han Lee, Chung-Lin Huang, Ron Fu Chu
  • Publication number: 20130029465
    Abstract: The instant disclosure relates to a manufacturing method of memory structure for dynamic random-access memory (DRAM). The method includes the steps of: (a) providing a substrate having a plurality of parallel trenches formed on a planar surface thereof each defining a buried gate, where a first insulating layer is formed on the planar surface of the substrate; (b) forming a gate oxide layer on the surface of each trench that defines the buried gate; (c) disposing a metal filler on the gate oxide layer to fill each of the trenches; (d) removing the metal filler in the upper region of each trench to selectively expose the gate oxide layer; (e) implanting ions at an oblique angle toward the exposed portions of the gate oxide layer in each trench to respectively form a drain electrode and a source electrode in the substrate abreast the gate oxide layer.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 31, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG HAN LEE, CHUNG-LIN HUANG, RON FU CHU
  • Publication number: 20130026554
    Abstract: A NAND type flash memory for increasing data read/write reliability includes a semiconductor substrate unit, a base unit, and a plurality of data storage units. The semiconductor substrate unit includes a semiconductor substrate. The base unit includes a first dielectric layer formed on the semiconductor substrate. The data storage units are adjacent to each other and formed on the first dielectric layer. Each data storage unit includes at least two floating gates formed on the first dielectric layer, a second dielectric layer formed on the first dielectric layer and between the two floating gates, an inter-gate dielectric layer formed on the two floating gates and the second dielectric layer, at least one control gate formed on the inter-gate dielectric layer, and a third dielectric layer formed on the first dielectric layer and surrounding and tightly connecting with the two floating gates, the inter-gate dielectric layer, and the control gate.
    Type: Application
    Filed: August 2, 2011
    Publication date: January 31, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG HAN LEE, CHUNG-LIN HUANG, RON FU CHU
  • Publication number: 20130026556
    Abstract: A NAND type flash memory for increasing data read/write reliability includes a semiconductor substrate unit, a base unit, and a plurality of data storage units. The semiconductor substrate unit includes a semiconductor substrate. The base unit includes a first dielectric layer formed on the semiconductor substrate. The data storage units are formed on the first dielectric layer. Each data storage unit includes two floating gates formed on the first dielectric layer, two inter-gate dielectric layers respectively formed on the two floating gates, two control gates respectively formed on the two inter-gate dielectric layers, a second dielectric layer formed on the first dielectric layer, between the two floating gates, between the two inter-gate dielectric layers, and between the two control gates, and a third dielectric layer formed on the first dielectric layer and surrounding and connecting with the two floating gates, the two inter-gate dielectric layers, and the two control gates.
    Type: Application
    Filed: September 2, 2011
    Publication date: January 31, 2013
    Applicant: INOTERA MEMORIES, INC.
    Inventors: TZUNG HAN LEE, CHUNG-LIN HUANG, RON FU CHU
  • Patent number: 8330198
    Abstract: A device for preventing current-leakage is located between a transistor and a capacitor of a memory cell. The two terminals of the device for preventing current-leakage are respectively connected with a slave terminal of the transistor and an electric pole of the capacitor. The device for preventing current-leakage has at least two p-n junctions. The device for preventing current-leakage is a lateral silicon controlled rectifier, a diode for alternating current, or a silicon controlled rectifier. By utilizing the driving characteristic of the device for preventing current-leakage, electric charge stored in the capacitor hardly passes through the device for preventing current-leakage when the transistor is turned off to improve the current-leakage problem.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: December 11, 2012
    Assignee: Inotera Memories, Inc.
    Inventors: Shin Bin Huang, Chung-Lin Huang, Ching-Nan Hsiao, Tzung Han Lee