Patents by Inventor Yuan-Chieh Chiu

Yuan-Chieh Chiu 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: 20220077187
    Abstract: A method for fabricating a memory device includes: providing a substrate; forming a first dielectric layer over the substrate; forming a plurality of conductive layers and a plurality of dielectric layers alternately and horizontally disposed on the substrate; forming a channel column structure on the substrate and in the plurality of conductive layers and the plurality of dielectric layers, where a side wall of the channel column structure is in contact with the plurality of conductive layers; forming a second dielectric layer covering the first dielectric layer; and forming, in the first and second dielectric layers, a conductive column structure adjacent to the channel column structure and in contact with one of the plurality of conductive layers, where the conductive column structure includes a liner insulating layer as a shell layer.
    Type: Application
    Filed: November 16, 2021
    Publication date: March 10, 2022
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Yao-An Chung, Yuan-Chieh Chiu, Ting-Feng Liao, Kuang-Wen Liu, Kuang-Chao Chen
  • Patent number: 11211401
    Abstract: A memory device includes a substrate. A first dielectric layer is disposed over the substrate. A plurality of conductive layers and a plurality of dielectric layers are alternately and horizontally disposed on the substrate. A channel column structure is disposed on the substrate and in the conductive layers and the dielectric layers. A side wall of the channel column structure is in contact with the plurality of conductive layers. A second dielectric layer covers the first dielectric layer. A conductive column structure is in the first and second dielectric layers, adjacent to the channel column structure, and in contact with one of the plurality of conductive layers. The conductive column structure includes a liner insulating layer as a shell layer.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 28, 2021
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yao-An Chung, Yuan-Chieh Chiu, Ting-Feng Liao, Kuang-Wen Liu, Kuang-Chao Chen
  • Publication number: 20210202518
    Abstract: A memory device includes a substrate. A first dielectric layer is disposed over the substrate. A plurality of conductive layers and a plurality of dielectric layers are alternately and horizontally disposed on the substrate. A channel column structure is disposed on the substrate and in the conductive layers and the dielectric layers. A side wall of the channel column structure is in contact with the plurality of conductive layers. A second dielectric layer covers the first dielectric layer. A conductive column structure is in the first and second dielectric layers, adjacent to the channel column structure, and in contact with one of the plurality of conductive layers. The conductive column structure includes a liner insulating layer as a shell layer.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 1, 2021
    Applicant: MACRONIX International Co., Ltd.
    Inventors: YAO-AN CHUNG, Yuan-Chieh Chiu, Ting-Feng Liao, Kuang-Wen Liu, Kuang-Chao Chen
  • Publication number: 20200312866
    Abstract: A semiconductor structure for three-dimensional memory device and a manufacturing method thereof are provided. In the manufacturing method, clean plasma is used to clean the impurity doped regions, formed by slit etching, in the surface layer of the substrate to decrease the contact resistance between substrate and conductive plugs formed in the slits. The bottom part of the conductive plugs each has a reduced neck structure and an enlarged bottom structure.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 1, 2020
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Yao-An Chung, Yuan-Chieh Chiu
  • Patent number: 10770476
    Abstract: A semiconductor structure for three-dimensional memory device and a manufacturing method thereof are provided. In the manufacturing method, clean plasma is used to clean the impurity doped regions, formed by slit etching, in the surface layer of the substrate to decrease the contact resistance between substrate and conductive plugs formed in the slits. The bottom part of the conductive plugs each has a reduced neck structure and an enlarged bottom structure.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: September 8, 2020
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yao-An Chung, Yuan-Chieh Chiu
  • Patent number: 10607848
    Abstract: Provided is a method of fabricating a semiconductor device including the following steps. A substrate is provided. A material layer having an opening is formed on the substrate. A first passivation material layer is formed on sidewalls of the opening and on the substrate. A treatment process is performed to the first passivation material layer to form a second passivation material layer. A first surface of the second passivation material layer and a second surface (at an inner side) of the second passivation material layer are differ in a property, and the first surface is located at a side of the second passivation material layer relatively away from the material layer.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: March 31, 2020
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Yuan-Chieh Chiu, Shih-Ping Hong, Kuang-Chao Chen, Yen-Ju Chen
  • Patent number: 10424593
    Abstract: A three-dimensional non-volatile memory and a method of manufacturing the same are provided. The three-dimensional non-volatile memory includes a substrate, a charge storage structure, a stacked structure and a channel layer. The charge storage structure is disposed on the substrate. The stacked structure is disposed at a side of the charge storage structure and includes insulating layers, gates, a buffer layer and a barrier layer. The insulating layers and the gates are alternately stacked. The buffer layer is disposed between each of the gates and the charge storage structure and on the surfaces of the insulating layers. The barrier layer is disposed between each of the gates and the buffer layer. An end of the gate is convex with respect to an end of the barrier layer in a direction away from the channel layer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: September 24, 2019
    Assignee: MACRONIX International Co., Ltd.
    Inventors: I-Ting Lin, Yuan-Chieh Chiu, Hong-Ji Lee
  • Publication number: 20190214402
    Abstract: A three-dimensional non-volatile memory and a method of manufacturing the same are provided. The three-dimensional non-volatile memory includes a substrate, a charge storage structure, a stacked structure and a channel layer. The charge storage structure is disposed on the substrate. The stacked structure is disposed at a side of the charge storage structure and includes insulating layers, gates, a buffer layer and a barrier layer. The insulating layers and the gates are alternately stacked. The buffer layer is disposed between each of the gates and the charge storage structure and on the surfaces of the insulating layers. The barrier layer is disposed between each of the gates and the buffer layer. An end of the gate is convex with respect to an end of the barrier layer in a direction away from the channel layer.
    Type: Application
    Filed: January 9, 2018
    Publication date: July 11, 2019
    Applicant: MACRONIX International Co., Ltd.
    Inventors: I-Ting Lin, Yuan-Chieh Chiu, Hong-Ji Lee
  • Publication number: 20180233375
    Abstract: Provided is a method of fabricating a semiconductor device including the following steps. A substrate is provided. A material layer having an opening is formed on the substrate. A first passivation material layer is formed on sidewalls of the opening and on the substrate. A treatment process is performed to the first passivation material layer to form a second passivation material layer. A first surface of the second passivation material layer and a second surface (at an inner side) of the second passivation material layer are differ in a property, and the first surface is located at a side of the second passivation material layer relatively away from the material layer.
    Type: Application
    Filed: April 17, 2018
    Publication date: August 16, 2018
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Yuan-Chieh Chiu, Shih-Ping Hong, Kuang-Chao Chen, Yen-Ju Chen
  • Patent number: 9953841
    Abstract: Provided is a method of fabricating a semiconductor device including the following steps. A substrate is provided. A material layer having an opening is formed on the substrate. A first passivation material layer is formed on sidewalls of the opening and on the substrate. A treatment process is performed to the first passivation material layer to form a second passivation material layer. A first surface of the second passivation material layer and a second surface (at an inner side) of the second passivation material layer are differ in a property, and the first surface is located at a side of the second passivation material layer relatively away from the material layer.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: April 24, 2018
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Yuan-Chieh Chiu, Shih-Ping Hong, Kuang-Chao Chen, Yen-Ju Chen
  • Publication number: 20170053867
    Abstract: Provided is a memory device including a plurality of first conductive line layers, a plurality of support structures, and a charge storage layer. Each of the first conductive line layers extends along a plane defined by a first direction and a second direction. Each of the first conductive line layers includes a plurality of first conductive lines extending along the first direction. The support structures are located between the adjacent first conductive line layers. The charge storage layer covers upper surfaces, lower surfaces, and two side surfaces of the first conductive lines and surfaces of the support structures.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 23, 2017
    Inventors: Yuan-Chieh Chiu, Shih-Ping Hong, Yao-An Chung
  • Patent number: 9559049
    Abstract: Provided is a memory device including a plurality of first conductive line layers, a plurality of support structures, and a charge storage layer. Each of the first conductive line layers extends along a plane defined by a first direction and a second direction. Each of the first conductive line layers includes a plurality of first conductive lines extending along the first direction. The support structures are located between the adjacent first conductive line layers. The charge storage layer covers upper surfaces, lower surfaces, and two side surfaces of the first conductive lines and surfaces of the support structures.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: January 31, 2017
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Yuan-Chieh Chiu, Shih-Ping Hong, Yao-An Chung
  • Publication number: 20160329243
    Abstract: Provided is a method of fabricating a semiconductor device including the following steps. A substrate is provided. A material layer having an opening is formed on the substrate. A first passivation material layer is formed on sidewalls of the opening and on the substrate. A treatment process is performed to the first passivation material layer to form a second passivation material layer. A first surface of the second passivation material layer and a second surface (at an inner side) of the second passivation material layer are differ in a property, and the first surface is located at a side of the second passivation material layer relatively away from the material layer.
    Type: Application
    Filed: May 8, 2015
    Publication date: November 10, 2016
    Inventors: Yuan-Chieh Chiu, Shih-Ping Hong, Kuang-Chao Chen, Yen-Ju Chen
  • Publication number: 20130341762
    Abstract: A semiconductor device has a first layer formed on a substrate. A mask layer is formed and patterned above the first layer. The first layer is etched partially through. A second layer is formed over the first layer. The first and second layers are etched by a non-lithography process.
    Type: Application
    Filed: June 20, 2012
    Publication date: December 26, 2013
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventor: YUAN-CHIEH CHIU
  • Patent number: 8592585
    Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical non-conjugated cyclometalated ligands being incorporated into a coordination sphere thereof with a transition metal, and one ligated chromophore being incorporated into the coordination sphere; or ii) one non-conjugated cyclometalated ligand forming a coordination sphere thereof with a transition metal, and two ligated chromophores being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the ligated chromophore possesses a relatively lower energy gap in comparison with that of the non-conjugated cyclometalated ligand, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that a subsequent radiative decay from an excited state of these transition complexes will be confined to the single ligated chromophore.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: November 26, 2013
    Assignee: National Tsing Hua University
    Inventors: Yun Chi, Pi-Tai Chou, Yi-Hwa Song, Yuan-Chieh Chiu, Chiung-Fang Chang
  • Patent number: 8410269
    Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical non-conjugated cyclometalated ligands being incorporated into a coordination sphere thereof with a transition metal, and one ligated chromophore being incorporated into the coordination sphere; or ii) one non-conjugated cyclometalated ligand forming a coordination sphere thereof with a transition metal, and two ligated chromophores being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the ligated chromophore possesses a relatively lower energy gap in comparison with that of the non-conjugated cyclometalated ligand, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that a subsequent radiative decay from an excited state of these transition complexes will be confined to the single ligated chromophore.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: April 2, 2013
    Assignee: National Tsing Hua University
    Inventors: Yun Chi, Pi-Tai Chou, Yi-Hwa Song, Yuan-Chieh Chiu, Chiung-Fang Chang
  • Publication number: 20110313162
    Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical non-conjugated cyclometalated ligands being incorporated into a coordination sphere thereof with a transition metal, and one ligated chromophore being incorporated into the coordination sphere; or ii) one non-conjugated cyclometalated ligand forming a coordination sphere thereof with a transition metal, and two ligated chromophores being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the ligated chromophore possesses a relatively lower energy gap in comparison with that of the non-conjugated cyclometalated ligand, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that a subsequent radiative decay from an excited state of these transition complexes will be confined to the single ligated chromophore.
    Type: Application
    Filed: August 29, 2011
    Publication date: December 22, 2011
    Applicant: National Tsing Hua University
    Inventors: Yun CHI, Pi-Tai Chou, Yi-Hwa Song, Yuan-Chieh Chiu, Chiung-Fang Chang
  • Publication number: 20110313161
    Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical non-conjugated cyclometalated ligands being incorporated into a coordination sphere thereof with a transition metal, and one ligated chromophore being incorporated into the coordination sphere; or ii) one non-conjugated cyclometalated ligand forming a coordination sphere thereof with a transition metal, and two ligated chromophores being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the ligated chromophore possesses a relatively lower energy gap in comparison with that of the non-conjugated cyclometalated ligand, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that a subsequent radiative decay from an excited state of these transition complexes will be confined to the single ligated chromophore.
    Type: Application
    Filed: August 29, 2011
    Publication date: December 22, 2011
    Applicant: National Tsing Hua University
    Inventors: Yun CHI, Pi-Tai Chou, Yi-Hwa Song, Yuan-Chieh Chiu, Chiung-Fang Chang
  • Patent number: 8030490
    Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical non-conjugated cyclometalated ligands being incorporated into a coordination sphere thereof with a transition metal, and one ligated chromophore being incorporated into the coordination sphere; or ii) one non-conjugated cyclometalated ligand forming a coordination sphere thereof with a transition metal, and two ligated chromophores being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the ligated chromophore possesses a relatively lower energy gap in comparison with that of the non-conjugated cyclometalated ligand, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that a subsequent radiative decay from an excited state of these transition complexes will be confined to the single ligated chromophore.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: October 4, 2011
    Assignee: National Tsing Hua University
    Inventors: Yun Chi, Pi-Tai Chou, Yi-Hwa Song, Yuan-Chieh Chiu, Chiung-Fang Chang
  • Publication number: 20080217582
    Abstract: A new class of luminescent iridium(III) complexes, luminescent material and organic electroluminescent device thereof had been disclosed. The novel luminescent iridium(III) complexes comprises the formula [(C?N)2Ir(P?O)] with 2-(diphenylphosphino)phenolate as the ancillary chelate. The iridium complexes of the present invention can be used as the red, blue or green-emitting dopants. These luminescent materials can be applied in the fabrication of light-emitting layer of organic electroluminescent devices and providing the high efficiently red, blue or green light organic electroluminescent devices of commercial pursuits.
    Type: Application
    Filed: March 8, 2007
    Publication date: September 11, 2008
    Inventors: Yun Chi, Pi-Tai Chou, Yi-Hwa Song, Yuan-Chieh Chiu, Chiung-Fang Chang