Patents by Inventor Chih-Wei Hu

Chih-Wei Hu 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: 9224750
    Abstract: A memory array includes a plurality of ridge-shaped multi-layer stacks extending along a first direction, and a hard mask layer formed on top of the plurality of ridge-shaped multi-layer stacks. The hard mask layer includes a plurality of stripes vertically aligned with the plurality of ridge-shaped multi-layer stacks, respectively, a plurality of bridges connecting adjacent ones of the stripes along a second direction orthogonal to the first direction, and a plurality of hard mask through holes between the plurality of bridges and the plurality of stripes.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: December 29, 2015
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Teng-Hao Yeh, Chih-Wei Hu, Yen-Hao Shih
  • Publication number: 20150364196
    Abstract: A device, such as an integrated circuit including memory, includes an array of memory cells on a substrate. A row/column line, such as a local word line or local bit line, is disposed in the array. The row/column line includes a pass transistor structure comprising a semiconductor strip in a first patterned layer over the substrate. The semiconductor strip includes a semiconductor channel body, a contact region on one side of the semiconductor channel body, and an extension on another side of the semiconductor channel body, which reaches into the memory cells in the array. A select line in a second patterned layer crossing the semiconductor channel body is provided. The pass transistor structure can be implemented in a fanout structure for row/column lines in the array.
    Type: Application
    Filed: June 16, 2014
    Publication date: December 17, 2015
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: LEE-YIN LIN, TENG-HAO YEH, CHIH-WEI HU, CHIEH-FANG CHEN
  • Publication number: 20150357341
    Abstract: A memory array includes a plurality of ridge-shaped multi-layer stacks extending along a first direction, and a hard mask layer formed on top of the plurality of ridge-shaped multi-layer stacks. The hard mask layer includes a plurality of stripes vertically aligned with the plurality of ridge-shaped multi-layer stacks, respectively, a plurality of bridges connecting adjacent ones of the stripes along a second direction orthogonal to the first direction, and a plurality of hard mask through holes between the plurality of bridges and the plurality of stripes.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Inventors: Teng-Hao Yeh, Chih-Wei Hu, Yen-Hao Shih
  • Patent number: 9159788
    Abstract: A nitride semiconductor structure including a silicon substrate, a nucleation layer, a buffer layer and a nitride semiconductor layer is provided. The nucleation layer is disposed on the silicon substrate. The buffer layer is disposed on the nucleation layer, in which the buffer layer includes n sub-buffer layers where n?2, and each of the sub-buffer layers has island structures. The nitride semiconductor layer is disposed on the buffer layer.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: October 13, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Chih-Wei Hu, Chen-Zi Liao, Hsun-Chih Liu, Rong Xuan
  • Patent number: 9112077
    Abstract: A semiconductor structure including a silicon substrate, a nucleation layer and a plurality of multi-layer sets is provided. The nucleation layer is disposed on the silicon substrate. The multi-layer sets are stacked over the nucleation layer, and each of the multi-layer sets includes a plurality of first sub-layers and a plurality of second sub-layers stacked alternately. A material of the first sub-layers and the second sub-layers includes Al-containing III-V group compound, wherein an average content of aluminum of the multi-layer sets decreases as a minimum distance between each of the multi-layer sets and the silicon substrate increases, and an aluminum content of the first sub-layers is different from an aluminum content of the second sub-layers.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: August 18, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Chen-Zi Liao, Chih-Wei Hu, Hsun-Chih Liu, Yen-Hsiang Fang, Rong Xuan
  • Patent number: 9082657
    Abstract: A semiconductor structure and a method for manufacturing the same are provided. The method comprises following steps. Semiconductor units are arranged on a substrate. A material layer is formed on the semiconductor units. A first patterned mask layer is formed on the semiconductor units. The first patterned mask layer has a mask opening corresponding to a portion of the semiconductor units and exposing the material layer. A portion of the material layer exposed by the mask opening is removed to remain a portion of the material layer on a sidewall of each of the semiconductor units exposed by the mask opening to form spacer structures.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: July 14, 2015
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chih-Wei Hu, Teng-Hao Yeh, Yen-Hao Shih
  • Patent number: 9076535
    Abstract: A source of charge carriers in thin film transistor-based memory devices is provided for a memory. The source of charge carriers can include a diode having a first and second terminal. A NAND string coupled on a first end via a first switch to a bit line, is coupled on a second end via a second switch to the first terminal of the diode. Separately drivable first and second supply lines are coupled to the first and second terminals, respectively of the diode. Circuitry is included that is coupled to the first and second supply lines, that is configured to bias the first and second supply lines with different bias conditions depending on the mode of operation, including forward bias conditions and reverse bias conditions.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: July 7, 2015
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chih-Wei Hu, Teng-Hao Yeh, Yen-Hao Shih
  • Publication number: 20150187876
    Abstract: A nitride semiconductor structure including a silicon substrate, a nucleation layer, a buffer layer and a nitride semiconductor layer is provided. The nucleation layer is disposed on the silicon substrate. The buffer layer is disposed on the nucleation layer, in which the buffer layer includes n sub-buffer layers where n?2, and each of the sub-buffer layers has island structures. The nitride semiconductor layer is disposed on the buffer layer.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 2, 2015
    Applicant: Industrial Technology Research Institute
    Inventors: Chih-Wei Hu, Chen-Zi Liao, Hsun-Chih Liu, Rong Xuan
  • Publication number: 20150179575
    Abstract: A device includes a substrate with a recess, having a bottom and sides, extending into the substrate from the substrate's upper surface. The sides include first and second sides oriented transversely to one another. A stack of alternating active and insulating layers overlie the substrate's surface and the recess. At least some of the active layers have an upper and lower portions extending along upper and lower planes over and generally parallel to the upper surface and to the bottom, respectively. The active layers have first and second upward extensions positioned along the first and second sides to extend from the lower portions of their respective active layers. Conductive strips adjoin the second upward extensions of the said active layers. The conductive strips can comprise sidewall spacers on the sides of the second upward extensions, the conductive strips connected to overlying conductors by interlayer conductors.
    Type: Application
    Filed: February 9, 2015
    Publication date: June 25, 2015
    Applicant: Macronix International Co., Ltd.
    Inventors: Chih-Wei HU, Teng-Hao YEH
  • Patent number: 9053803
    Abstract: An integrated circuit and methods for manufacturing and operating the same are provided. The integrated circuit comprises a fork architecture and a first conductive structure. The fork architecture comprises a handle portion and prong portions extending from the handle portion. The fork architecture comprises a stacked structure and a dielectric layer. The dielectric layer is between the first conductive structure and the handle portion of the stacked structure.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 9, 2015
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chih-Wei Hu, Teng-Hao Yeh
  • Patent number: 9048389
    Abstract: A light emitting diode including a substrate, a p-type and n-type semiconductor layers, an active layer, a first and second electrodes is provided. The active layer is located between the n-type and p-type semiconductor layers, and includes i quantum wells and (i+1) quantum barrier layers, each quantum well is located between any two of the quantum barrier layers, each of k quantum wells among the i quantum wells is constituted of a light emitting layer and an auxiliary layer, in which an indium concentration of the auxiliary layer is greater than an indium concentration of the light emitting layer, where i and k are natural numbers greater than or equal to 1 and k?i. The first electrode and second electrodes are located on the n-type semiconductor layer and the p-type semiconductor layer, respectively.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: June 2, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Keng Fu, Chih-Wei Hu
  • Publication number: 20150109844
    Abstract: An integrated circuit and an operating method for the same are provided. The integrated circuit comprises a stacked structure and a conductive structure. The stacked structure comprises a conductive strip. The conductive structure is disposed above the stacked structure and electrically connected to the conductive strip. The conductive structure and the conductive strip have various gap distances between corresponding points of different pairs according to a basic axis.
    Type: Application
    Filed: October 21, 2013
    Publication date: April 23, 2015
    Applicant: Macronix International Co., Ltd.
    Inventors: Teng-Hao Yeh, Hang-Ting Lue, Yen-Hao Shih, Chih-Chang Hsieh, Chih-Wei Hu
  • Publication number: 20150109864
    Abstract: An integrated circuit and methods for manufacturing and operating the same are provided. The integrated circuit comprises a fork architecture and a first conductive structure. The fork architecture comprises a handle portion and prong portions extending from the handle portion. The fork architecture comprises a stacked structure and a dielectric layer. The dielectric layer is between the first conductive structure and the handle portion of the stacked structure.
    Type: Application
    Filed: October 23, 2013
    Publication date: April 23, 2015
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chih-Wei Hu, Teng-Hao Yeh
  • Publication number: 20150083990
    Abstract: A light emitting diode including a substrate, a p-type and n-type semiconductor layers, an active layer, a first and second electrodes is provided. The active layer is located between the n-type and p-type semiconductor layers, and includes i quantum wells and (i+1) quantum barrier layers, each quantum well is located between any two of the quantum barrier layers, each of k quantum wells among the i quantum wells is constituted of a light emitting layer and an auxiliary layer, in which an indium concentration of the auxiliary layer is greater than an indium concentration of the light emitting layer, where i and k are natural numbers greater than or equal to 1 and k?i. The first electrode and second electrodes are located on the n-type semiconductor layer and the p-type semiconductor layer, respectively.
    Type: Application
    Filed: September 23, 2013
    Publication date: March 26, 2015
    Applicant: Industrial Technology Research Institute
    Inventors: Yi-Keng Fu, Chih-Wei Hu
  • Patent number: 8981567
    Abstract: A device includes a substrate with a recess, having a bottom and sides, extending into the substrate from the substrate's upper surface. The sides include first and second sides oriented transversely to one another. A stack of alternating active and insulating layers overlie the substrate's surface and the recess. At least some of the active layers have an upper and lower portions extending along upper and lower planes over and generally parallel to the upper surface and to the bottom, respectively. The active layers have first and second upward extensions positioned along the first and second sides to extend from the lower portions of their respective active layers. Conductive strips adjoin the second upward extensions of the said active layers. The conductive strips can comprise sidewall spacers on the sides of the second upward extensions, the conductive strips connected to overlying conductors by interlayer conductors.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: March 17, 2015
    Assignee: Macronix International Co., Ltd.
    Inventors: Chih-Wei Hu, Teng-Hao Yeh
  • Patent number: 8946775
    Abstract: A nitride semiconductor structure is provided. The nitride semiconductor structure at least includes a silicon substrate, a AlN layer, a AlGaN layer and a GaN layer formed on the AlGaN layer. The silicon substrate has a surface tilted at 0<tilted?0.5° with respect to a axis perpendicular to a (111) crystal plane, and the AlN layer is formed on the surface. The AlGaN layer is formed on the AlN layer. Moreover, an Al content in the AlGaN layer is decreased gradually in a layer thickness direction from the silicon substrate side toward the GaN layer side.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: February 3, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Chen-Zi Liao, Chih-Wei Hu, Yen-Hsiang Fang, Rong Xuan
  • Publication number: 20150009757
    Abstract: A source of charge carriers in thin film transistor-based memory devices is provided for a memory. The source of charge carriers can include a diode having a first and second terminal. A NAND string coupled on a first end via a first switch to a bit line, is coupled on a second end via a second switch to the first terminal of the diode. Separately drivable first and second supply lines are coupled to the first and second terminals, respectively of the diode. Circuitry is included that is coupled to the first and second supply lines, that is configured to bias the first and second supply lines with different bias conditions depending on the mode of operation, including forward bias conditions and reverse bias conditions.
    Type: Application
    Filed: July 8, 2013
    Publication date: January 8, 2015
    Inventors: CHIH-WEI HU, TENG-HAO YEH, YEN-HAO SHIH
  • Patent number: 8865998
    Abstract: A photovoltaic electrochromic device and a method of manufacturing the same are provided. According to the method, at least one thin-film solar cell is formed on a transparent substrate, wherein the thin-film solar cell at least includes an anode, a photoelectric conversion layer, and a cathode, and a portion of a surface of the anode is exposed from the thin film solar cell. An electrochromic thin film is then deposited on at least one surface of the cathode and the exposed surface of the anode. Thereafter, an electrolyte layer is formed on a surface of the thin-film solar cell to cover the electrochromic thin film. The anode and the cathode of the thin-film solar cell also serve as the anode and the cathode of the photovoltaic electrochromic device.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: October 21, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Lee-May Huang, Fang-Yao Yeh, Kuo-Chuan Ho, Chih-Wei Hu, Chih-Yu Hsu, Chun-Ming Yeh
  • Publication number: 20140264898
    Abstract: A device includes a substrate with a recess, having a bottom and sides, extending into the substrate from the substrate's upper surface. The sides include first and second sides oriented transversely to one another. A stack of alternating active and insulating layers overlie the substrate's surface and the recess. At least some of the active layers have an upper and lower portions extending along upper and lower planes over and generally parallel to the upper surface and to the bottom, respectively. The active layers have first and second upward extensions positioned along the first and second sides to extend from the lower portions of their respective active layers. Conductive strips adjoin the second upward extensions of the said active layers. The conductive strips can comprise sidewall spacers on the sides of the second upward extensions, the conductive strips connected to overlying conductors by interlayer conductors.
    Type: Application
    Filed: July 23, 2013
    Publication date: September 18, 2014
    Applicant: Macronix International Co., Ltd.
    Inventors: Chih-Wei Hu, Teng-Hao Yeh
  • Patent number: 8779468
    Abstract: A nitride semiconductor structure including a silicon substrate, a nucleation layer, a discontinuous defect blocking layer, a buffer layer and a nitride semiconductor layer is provided. The nucleation layer disposed on the silicon substrate, wherein the nucleation layer has a defect density d1. A portion of the nucleation layer is covered by the discontinuous defect blocking layer. The buffer layer is disposed on the discontinuous defect blocking layer and a portion of the nucleation layer that is not covered by the discontinuous defect blocking layer. The nitride semiconductor layer is disposed on the buffer layer. A ratio of a defect density d2 of the nitride semiconductor layer to the defect density d1 of the nucleation layer is less than or equal to about 0.5, at a location where about 1 micrometer above the interface between the nitride semiconductor layer and the buffer layer.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: July 15, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Yen-Hsiang Fang, Chien-Pin Lu, Chen-Zi Liao, Rong Xuan, Yi-Keng Fu, Chih-Wei Hu, Hsun-Chih Liu