Patents by Inventor Kuang-Yeu Hsieh

Kuang-Yeu Hsieh 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: 7704865
    Abstract: Methods of forming charge-trapping dielectric layer structures in semiconductor memory devices which comprise: (a) providing a semiconductor substrate; (b) forming an oxide layer on at least a portion of the substrate; (c) forming two or more source/drain regions in the substrate below the oxide layer; (d) re-oxidizing the oxide layer; (e) forming a charge-trapping dielectric layer on the oxide layer; and (f) forming an insulating layer on the charge-trapping dielectric layer; as well as methods which comprise: (a) providing a semiconductor substrate; (b) forming an oxide layer on at least a portion of the substrate in a dry atmosphere; (c) forming two or more source/drain regions in the substrate below the oxide layer; (d) forming a charge-trapping dielectric layer on the oxide layer; (e) forming an insulating layer on the charge-trapping dielectric layer; and (f) annealing the insulating layer in an atmosphere having a hydrogen content of less than about 0.01% are described.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: April 27, 2010
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Yen-Hao Shih, Shih-Chin Lee, Jung-Yu Hsieh, Erh-Kun Lai, Kuang Yeu Hsieh
  • Patent number: 7697316
    Abstract: A bistable resistance random access memory comprises a plurality of programmable resistance random access memory cells where each programmable resistance random access memory cell includes multiple memory members for performing multiple bits for each memory cell. The bistable RRAM includes a first resistance random access member connected to a second resistance random access member through interconnect metal liners and metal oxide strips. The first resistance random access member has a first resistance value Ra, which is determined from the thickness of the first resistance random access member based on the deposition of the first resistance random access member. The second resistance random access member has a second resistance value Rb, which is determined from the thickness of the second resistance random access member based on the deposition of the second resistance random access member.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: April 13, 2010
    Assignee: Macronix International Co., Ltd.
    Inventors: Erh-Kun Lai, ChiaHua Ho, Kuang Yeu Hsieh
  • Patent number: 7688615
    Abstract: A magnetic random access memory (MRAM) and a manufacturing method and a programming method thereof are provided. The magnetic random access memory comprises a first magnetic tunnel junction structure and a second magnetic tunnel junction structure. The second magnetic tunnel junction structure is electrically connected with the first magnetic tunnel junction structure, and the volume of the second magnetic tunnel junction structure is smaller than that of the first magnetic tunnel junction structure.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: March 30, 2010
    Assignee: Macronix International Co., Ltd.
    Inventors: Chia-Hua Ho, Kuang-Yeu Hsieh
  • Patent number: 7684234
    Abstract: A magnetic memory device comprises a magnetic memory cell that includes a pinned layer and a free layer separated from the pinned layer by an insulating layer. The magnetic memory device also comprises a thermal plate in contact with the free layer. The magnetic memory device can be configured so that a first current flows through the thermal plate heating the thermal plate. The magnetic behavior of the free layer can be altered due to the heating caused by the first current, making it easier to switch the orientation and magnetization of the free layer. A second current can then flow through a bit line near the free layer generating a magnetic field sufficient to switch the orientation of magnetization of the free layer.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: March 23, 2010
    Assignee: Macronix International Co., Ltd.
    Inventors: Chiahua Ho, Kuang-Yeu Hsieh
  • Publication number: 20100054014
    Abstract: Memory devices are described along with methods for manufacturing. A memory device as described herein includes a plurality of memory cells located between word lines and bit lines. Each memory cell comprises a diode and a plurality of memory elements each comprising one or more metal-oxygen compounds, the diode and the plurality of memory elements arranged in electrical series along a current path between a corresponding word line and a corresponding bit line.
    Type: Application
    Filed: September 4, 2008
    Publication date: March 4, 2010
    Inventors: Ming-Daou Lee, Erh-Kun Lai, Kuang Yeu Hsieh
  • Patent number: 7667293
    Abstract: A resistive random access memory including, an insulating layer, a hard mask layer, a bottom electrode, a memory cell and a top electrode is provided. The insulating layer is disposed on the bottom electrode. The insulating layer has a contact hole having a first width. The hard mask layer has an opening. A portion of the memory cell is exposed from the opening and has a second width smaller than the first width. The top electrode is disposed on the insulating layer and is coupled with the memory cell.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: February 23, 2010
    Assignee: Macronix International Co., Ltd.
    Inventors: Ming-Daou Lee, Chia-Hua Ho, Erh-Kun Lai, Kuang-Yeu Hsieh
  • Publication number: 20100039846
    Abstract: A memory device that selectably exhibits first and second logic levels. A first conductive material has a first surface with a first memory layer formed thereon, and a second conductive material has a second surface with a second memory layer formed thereon. A connective conductive layer joins the first and second memory layers and places the same in electrical contact. The structure is designed so that the first memory layer has a cross-sectional area less than that of the second memory layer.
    Type: Application
    Filed: October 8, 2009
    Publication date: February 18, 2010
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Erh-Kun Lai, ChiaHua Ho, Kuang Yeu Hsieh
  • Publication number: 20100015757
    Abstract: A resistance random access memory in a bridge structure is disclosed that comprises a contact structure where first and second electrodes are located within the contact structure. The first electrode has a circumferential extending shape, such as an annular shape, surrounding an inner wall of the contact structure. The second electrode is located within an interior of the circumferential extending shape and separated from the first electrode by an insulating material. A resistance memory bridge is in contact with an edge surface of the first and second electrodes. The first electrode in the contact structure is connected to a transistor and the second electrode in the contact structure is connected to a bit line. A bit line is connected to the second electrode by a self-aligning process.
    Type: Application
    Filed: October 2, 2009
    Publication date: January 21, 2010
    Applicant: Macronix International Co., Ltd.
    Inventors: ChiaHua Ho, Erh-Kun Lai, Kuang Yeu Hsieh
  • Publication number: 20100001330
    Abstract: A method of fabricating a semiconductor device is provided. The method comprises: (a) providing a first and a second conductor; (b) providing a conductive layer; (c) forming a part of the conductive layer into a data storage layer by a plasma oxidation process, wherein the data storage layer is positioned between the first and the second conductor.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 7, 2010
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Wei-Chih CHIEN, Kuo-Pin CHANG, Erh-Kun LAI, Kuang-Yeu HSIEH
  • Publication number: 20090303774
    Abstract: A method is described for operating a bistable resistance random access memory having two memory layer stacks that are aligned in series is disclosed. The bistable resistance random access memory comprises two memory layer stacks per memory cell, the bistable resistance random access memory operates in four logic states, a logic “00” state, a logic “01” state, a logic “10” state and a logic “11” state. The relationship between the four different logic states can be represented mathematically by the two variables n and f and a resistance R. The logic “0” state is represented by a mathematical expression (1+f)R. The logic “1” state is represented by a mathematical expression (n+f)R. The logic “2” state is represented by a mathematical expression (1+nf)R. The logic “3” state is represented by a mathematical expression n(1+f)R.
    Type: Application
    Filed: July 29, 2009
    Publication date: December 10, 2009
    Applicant: Macronix International Co., Ltd.
    Inventors: ChiaHua Ho, Erh-Kun Lai, Kuang Yeu Hsieh
  • Publication number: 20090296474
    Abstract: The present invention describes a uniform program method and a uniform erase method of a charge trapping memory by employing a substrate transient hot electron technique for programming, and a substrate transient hot hole technique for erasing, which emulate an FN tunneling method for NAND memory operation. The methods of the present invention are applicable to a wide variety of charge trapping memories including n-channel or p-channel SONOS types of memories and floating gate (FG) type memories. the programming of the charge trapping memory is conducted using a substrate transient hot electron injection in which a body bias voltage Vb has a short pulse width and a gate bias voltage Vg has a pulse width that is sufficient to move electrons from a channel region to a charge trapping structure.
    Type: Application
    Filed: August 10, 2009
    Publication date: December 3, 2009
    Applicant: Macronix International Co., Ltd.
    Inventors: TZU HSUAN HSU, Chao-I Wu, Kuang Yeu Hsieh, Ya-Chin King
  • Patent number: 7616472
    Abstract: A memory device that selectably exhibits first and second logic levels. A first conductive material has a first surface with a first memory layer formed thereon, and a second conductive material has a second surface with a second memory layer formed thereon. A connective conductive layer joins the first and second memory layers and places the same in electrical contact. The structure is designed so that the first memory layer has a cross-sectional area less than that of the second memory layer.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: November 10, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: Erh-Kun Lai, ChiaHua Ho, Kuang Yeu Hsieh
  • Patent number: 7608848
    Abstract: A resistance random access memory in a bridge structure is disclosed that comprises a contact structure where first and second electrodes are located within the contact structure. The first electrode has a circumferential extending shape, such as an annular shape, surrounding an inner wall of the contact structure. The second electrode is located within an interior of the circumferential extending shape and separated from the first electrode by an insulating material. A resistance memory bridge is in contact with an edge surface of the first and second electrodes. The first electrode in the contact structure is connected to a transistor and the second electrode in the contact structure is connected to a bit line. A bit line is connected to the second electrode by a self-aligning process.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: October 27, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: ChiaHua Ho, Erh-Kun Lai, Kuang Yeu Hsieh
  • Patent number: 7605079
    Abstract: A method for manufacturing a phase change memory device comprises forming an electrode layer. Electrodes are made in the electrode layer using conductor fill techniques that are also used inter-layer conductors for metallization layers, in order to improve process scaling with shrinking critical dimensions for metallization layers. The electrode layer is made by forming a multi-layer dielectric layer on a substrate, etching the multi-layer dielectric layer to form vias for electrode members contacting circuitry below, forming insulating spacers on the vias, etching through a top layer in the multi-layer dielectric layer to form trenches between the insulating spacers for electrode members contacting circuitry above, filling the vias and trenches with a conductive material using the metallization process. Thin film bridges of memory material are formed over the electrode layer.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: October 20, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: Erh Kun Lai, Chiahua Ho, Yi Chou Chen, Kuang Yeu Hsieh
  • Patent number: 7599217
    Abstract: A memory cell device, having a memory material switchable between electrical property states by the application of energy, comprises an electrode, a separation layer against an electrode surface, a hole in the separation layer, a second material in the hole defining a void having a downwardly and inwardly tapering void region. A memory material is in the void region in electrical contact with the electrode surface. A second electrode is in electrical contact with the memory material. Energy passing between the first and second electrodes is concentrated within the memory material so to facilitate changing an electrical property state of the memory material. The memory material may comprise a phase change material. The second material may comprise a high density plasma-deposited material. A method for making a memory cell device is also discussed.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: October 6, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: Erh-Kun Lai, Chiahua Ho, Kuang Yeu Hsieh
  • Patent number: 7595218
    Abstract: Programmable resistive RAM cells have a resistance that depends on the size of the programmable resistive elements. Manufacturing methods and integrated circuits for programmable resistive elements with uniform resistance are disclosed that have a cross-section of reduced size compared to the cross-section of the interlayer contacts.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: September 29, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: ChiaHua Ho, Erh Kun Lai, Kuang Yeu Hsieh
  • Publication number: 20090236743
    Abstract: Programmable resistive RAM cells have a resistance that depends on the size of the contacts. Manufacturing methods and integrated circuits for lowered contact resistance are disclosed that have contacts of reduced size.
    Type: Application
    Filed: June 3, 2009
    Publication date: September 24, 2009
    Applicant: Macronix International Co., Ltd.
    Inventors: Chiahua Ho, Erh-Kun Lai, Kuang Yeu Hsieh
  • Publication number: 20090239358
    Abstract: A method for making a memory device includes providing a dielectric material, having first and second upwardly and inwardly tapering surfaces and a surface segment connecting the first and second surfaces. First and second electrodes are formed over the first and second surfaces. A memory element is formed over the surface segment to electrically connect the first and second electrodes.
    Type: Application
    Filed: May 20, 2009
    Publication date: September 24, 2009
    Applicant: Macronix International Co., Ltd.
    Inventors: Erh-Kun Lai, Chiahua Ho, Kuang Yeu Hsieh
  • Patent number: 7590005
    Abstract: The present invention describes a uniform program method and a uniform erase method of a charge trapping memory by employing a substrate transient hot electron technique for programming, and a substrate transient hot hole technique for erasing, which emulate an FN tunneling method for NAND memory operation. The methods of the present invention are applicable to a wide variety of charge trapping memories including n-channel or p-channel SONOS types of memories and floating gate (FG) type memories. The programming of the charge trapping memory is conducted using a substrate transient hot electron injection in which a body bias voltage Vb has a short pulse width and a gate bias voltage Vg has a pulse width that is sufficient to move electrons from a channel region to a charge trapping structure.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: September 15, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: Tzu Hsuan Hsu, Chao-I Wu, Kuang Yeu Hsieh, Ya-Chin King
  • Patent number: 7586778
    Abstract: A method is described for operating a bistable resistance random access memory having two memory layer stacks that are aligned in series is disclosed. The bistable resistance random access memory comprises two memory layer stacks per memory cell, the bistable resistance random access memory operates in four logic states, a logic “00” state, a logic “01” state, a logic “10” state and a logic “11” state. The relationship between the four different logic states can be represented mathematically by the two variables n and f and a resistance R. The logic “0” state is represented by a mathematical expression (1+f) R. The logic “1” state is represented by a mathematical expression (n+f) R. The logic “2” state is represented by a mathematical expression (1+nf) R. The logic “3” state is represented by a mathematical expression n(1+f) R.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: September 8, 2009
    Assignee: Macronix International Co., Ltd.
    Inventors: ChiaHua Ho, Erh-Kun Lai, Kuang Yeu Hsieh