Patents by Inventor Jeng-Hua Wei

Jeng-Hua Wei 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: 11844288
    Abstract: An in-plane magnetized spin-orbit magnetic device is provided. The in-plane magnetized spin-orbit magnetic device includes a heavy metal layer, an upper electrode and a magnetic tunnel junction. The magnetic tunnel junction is disposed between the heavy metal layer and the upper electrode. The magnetic tunnel junction includes a free layer and a pinned layer. The free layer is disposed on the heavy metal layer, and the free layer has a first film plane area. The pinned layer is disposed on the free layer, and the pinned layer has a second film plane area. There is a preset angle between a long axis direction of a film plane shape of the free layer and a long axis direction of a film plane shape of the pinned layer, and the first film plane area is larger than the second film plane area.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: December 12, 2023
    Assignee: Industrial Technology Research Institute
    Inventors: Hsin-Han Lee, Jeng-Hua Wei, I-Jung Wang, Shan-Yi Yang, Yao-Jen Chang
  • Patent number: 11758821
    Abstract: A magnetic memory structure includes a heavy-metal layer, a plurality of magnetic tunneling junction (MTJ) layer, a conductive layer and an insulation layer. In an example, the pinned-layer of the MTJ layers are arranged in a string form and disposed over the barrier-layer. In an example also disclosed, the pinned-layer, the free-layer of the MTJ layers are arranged in a string form. Whereas the pinned-layers are disposed over the barrier-layer and the free-layers are disposed over the heavy-metal layer. The conductive layer is formed under the heavy-metal layer and includes a first conductive portion and a second conductive portion separated from each other and connected with two end of the heavy-metal layer respectively. The insulation layer fills up an interval between the first conductive portion and the second conductive portion. The conductive layer has an electric conductivity higher than that of the heavy-metal layer.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: September 12, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ziaur Rahaman Shakh, I-Jung Wang, Jeng-Hua Wei
  • Publication number: 20230178130
    Abstract: An in-plane magnetized spin-orbit magnetic device is provided. The in-plane magnetized spin-orbit magnetic device includes a heavy metal layer, an antiferromagnetic layer, and a magnetic tunnel junction. The antiferromagnetic layer is disposed on the heavy metal layer, and the magnetic tunnel junction is disposed on the antiferromagnetic layer. The magnetic tunnel junction includes a free layer, a barrier layer, and a pinned layer. The barrier layer is disposed on the free layer, and the pinned layer is disposed on the barrier layer. A film surface shape of the free layer is a rounded rectangle.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 8, 2023
    Applicant: Industrial Technology Research Institute
    Inventors: Hsin-Han Lee, Jeng-Hua Wei, I-Jung Wang, Shan-Yi Yang, Yao-Jen Chang, Fang-Ming Chen
  • Patent number: 11625588
    Abstract: A neuron circuit and an artificial neural network chip are provided. The neuron circuit includes a memristor and an integrator. The memristor generates a pulse train having an oscillation frequency when an applied voltage exceeds a predetermined threshold. The integrator is connected in parallel to the memristor for receiving and accumulating input pulses transmitted by a previous layer network at different times, and driving the memristor to transmit the pulse train to a next layer network when a voltage of the accumulated input pulses exceeds the predetermined threshold.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 11, 2023
    Assignee: Industrial Technology Research Institute
    Inventors: Tuo-Hung Hou, Shyh-Shyuan Sheu, Jeng-Hua Wei, Heng-Yuan Lee, Ming-Hung Wu
  • Publication number: 20220109100
    Abstract: An in-plane magnetized spin-orbit magnetic device is provided. The in-plane magnetized spin-orbit magnetic device includes a heavy metal layer, an upper electrode and a magnetic tunnel junction. The magnetic tunnel junction is disposed between the heavy metal layer and the upper electrode. The magnetic tunnel junction includes a free layer and a pinned layer. The free layer is disposed on the heavy metal layer, and the free layer has a first film plane area. The pinned layer is disposed on the free layer, and the pinned layer has a second film plane area. There is a preset angle between a long axis direction of a film plane shape of the free layer and a long axis direction of a film plane shape of the pinned layer, and the first film plane area is larger than the second film plane area.
    Type: Application
    Filed: February 4, 2021
    Publication date: April 7, 2022
    Applicant: Industrial Technology Research Institute
    Inventors: Hsin-Han Lee, Jeng-Hua Wei, I-Jung Wang, Shan-Yi Yang, Yao-Jen Chang
  • Publication number: 20220102623
    Abstract: A magnetic memory structure includes a heavy-metal layer, a plurality of magnetic tunneling junction (MTJ) layer, a conductive layer and an insulation layer. In an example, the pinned-layer of the MTJ layers are arranged in a string form and disposed over the barrier-layer. In an example also disclosed, the pinned-layer, the free-layer of the MTJ layers are arranged in a string form. Whereas the pinned-layers are disposed over the barrier-layer and the free-layers are disposed over the heavy-metal layer. The conductive layer is formed under the heavy-metal layer and includes a first conductive portion and a second conductive portion separated from each other and connected with two end of the heavy-metal layer respectively. The insulation layer fills up an interval between the first conductive portion and the second conductive portion. The conductive layer has an electric conductivity higher than that of the heavy-metal layer.
    Type: Application
    Filed: December 8, 2021
    Publication date: March 31, 2022
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ziaur Rahaman Shakh, I-Jung Wang, Jeng-Hua Wei
  • Patent number: 11227990
    Abstract: A magnetic memory structure is provided. The magnetic memory structure includes a magnetic tunneling junction (MTJ) layer and a heavy-metal layer. The MTJ layer includes a pinned-layer, a barrier-layer formed under the pinned-layer and a free-layer formed under the barrier-layer. The heavy-metal layer is formed under the free-layer. The barrier-layer has a first upper surface, the pinned-layer has a lower surface, and area of the first upper surface is larger than area of the lower surface.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: January 18, 2022
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ziaur Rahaman Shakh, I-Jung Wang, Jeng-Hua Wei
  • Publication number: 20210150317
    Abstract: A neuron circuit and an artificial neural network chip are provided. The neuron circuit includes a memristor and an integrator. The memristor generates a pulse train having an oscillation frequency when an applied voltage exceeds a predetermined threshold. The integrator is connected in parallel to the memristor for receiving and accumulating input pulses transmitted by a previous layer network at different times, and driving the memristor to transmit the pulse train to a next layer network when a voltage of the accumulated input pulses exceeds the predetermined threshold.
    Type: Application
    Filed: March 4, 2020
    Publication date: May 20, 2021
    Applicant: Industrial Technology Research Institute
    Inventors: Tuo-Hung Hou, Shyh-Shyuan Sheu, Jeng-Hua Wei, Heng-Yuan Lee, Ming-Hung Wu
  • Publication number: 20210020827
    Abstract: A magnetic memory structure is provided. The magnetic memory structure includes a magnetic tunneling junction (MTJ) layer and a heavy-metal layer. The MTJ layer includes a pinned-layer, a barrier-layer formed under the pinned-layer and a free-layer formed under the barrier-layer. The heavy-metal layer is formed under the free-layer. The barrier-layer has a first upper surface, the pinned-layer has a lower surface, and area of the first upper surface is larger than area of the lower surface.
    Type: Application
    Filed: July 17, 2019
    Publication date: January 21, 2021
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ziaur Rahaman Shakh, I-Jung Wang, Jeng-Hua Wei
  • Patent number: 10784441
    Abstract: A perpendicularly magnetized spin-orbit magnetic device including a heavy metal layer, a magnetic tunnel junction, a first antiferromagnetic layer, a first block layer and a first stray field applying layer is provided. The magnetic tunnel junction is disposed on the heavy metal layer. The first block layer is disposed between the magnetic tunnel junction and the first antiferromagnetic layer. The first stray field applying layer is disposed between the first antiferromagnetic layer and the first block layer. The magnetic tunnel junction comprises a free layer, a tunneling barrier layer, and pinned layer. The tunneling barrier layer is disposed on the free layer. The pinned layer is disposed on the tunneling barrier layer. A film plane area of the free layer is greater than a film plane area of the tunneling barrier layer and a film plane area of the pinned layer.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: September 22, 2020
    Assignee: Industrial Technology Research Institute
    Inventors: Hsin-Han Lee, Shan-Yi Yang, Yao-Jen Chang, I-Jung Wang, Jeng-Hua Wei
  • Publication number: 20200058847
    Abstract: A perpendicularly magnetized spin-orbit magnetic device including a heavy metal layer, a magnetic tunnel junction, a first antiferromagnetic layer, a first block layer and a first stray field applying layer is provided. The magnetic tunnel junction is disposed on the heavy metal layer. The first block layer is disposed between the magnetic tunnel junction and the first antiferromagnetic layer. The first stray field applying layer is disposed between the first antiferromagnetic layer and the first block layer. The magnetic tunnel junction comprises a free layer, a tunneling barrier layer, and pinned layer. The tunneling barrier layer is disposed on the free layer. The pinned layer is disposed on the tunneling barrier layer. A film plane area of the free layer is greater than a film plane area of the tunneling barrier layer and a film plane area of the pinned layer.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Applicant: Industrial Technology Research Institute
    Inventors: Hsin-Han Lee, Shan-Yi Yang, Yao-Jen Chang, I-Jung Wang, Jeng-Hua Wei
  • Patent number: 8283469
    Abstract: The present invention discloses a soluble and air-stable perylene diimide (PDI) derivative to function as an N-type organic semiconductor material. In the PDI derivative of the present invention, the core thereof is substituted by electron withdrawing groups, and the side chains thereof are substituted by benzene functional groups, whereby are promoted the solubility and air-stability of the molecule. The PDI derivative of the present invention can be used to fabricate an organic semiconductor element via a soluble process at a low temperature and under an atmospheric environment.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: October 9, 2012
    Assignee: National Tsing Hua University
    Inventors: Szu-Ying Chen, Heng-Wen Ting, Tri-Rung Yew, Jeng-Hua Wei
  • Publication number: 20110233526
    Abstract: The present invention discloses a soluble and air-stable perylene diimide (PDI) derivative to function as an N-type organic semiconductor material. In the PDI derivative of the present invention, the core thereof is substituted by electron withdrawing groups, and the side chains thereof are substituted by benzene functional groups, whereby are promoted the solubility and air-stability of the molecule. The PDI derivative of the present invention can be used to fabricate an organic semiconductor element via a soluble process at a low temperature and under an atmospheric environment.
    Type: Application
    Filed: March 24, 2010
    Publication date: September 29, 2011
    Inventors: Szu-Ying Chen, Heng-Wen Ting, Tri-Rung Yew, Jeng-Hua Wei
  • Patent number: 7535081
    Abstract: A metal nanoline process and applications on growth of aligned nanostructures thereof. A nano-structure is provided with a substrate with at least one nanodimensional metal catalyst line disposed thereon and at least one carbon nanotube or silicon nanowire extending along an end of the metal catalyst line.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: May 19, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Jiunn Lai, Jeng-Hua Wei, Hung-Hsiang Wang, Po-Yuan Lo, Ming-Jer Kao
  • Publication number: 20070155064
    Abstract: A method for manufacturing a carbon nano-tube field-effect transistor (CNT-FET), comprising steps of: forming a patterned conductive layer on a substrate; forming a dielectric layer covering the conductive layer and the substrate; forming a carbon nano-tube layer between a pair of electrodes on the dielectric layer; and performing a treatment process on the carbon nano-tube layer so that the carbon nano-tube layer is semiconducting.
    Type: Application
    Filed: May 10, 2006
    Publication date: July 5, 2007
    Inventors: Bae-Horng Chen, Jeng-Hua Wei, Po-Yuan Lo, Zing-Way Pei
  • Patent number: 7182914
    Abstract: The present invention relates to a structure and manufacturing process of a nano device transistor for a biosensor. The structure, the manufacturing process and the related circuit for a carbon nano tube or nano wire transistor biosensor device are provided. The refurbished nano device is used for absorbing various anti-bodies so as to detect the specific antigens or absorbing various biotins. Therefore, the object of the present invention to detect the specific species for bio measurement can be achieved.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: February 27, 2007
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Jiunn Lai, Hung-Hsiang Wang, Jeng-Hua Wei, Hsin-Hui Chen, Ming-Jer Kao
  • Patent number: 7001805
    Abstract: A method for fabricating an n-type carbon nanotube device, characterized in that thermal annealing and plasma-enhanced chemical vapor-phased deposition (PECVD) are employed to form a non-oxide gate layer on a carbon nanotube device. Moreover, the inherently p-type carbon nanotube can be used to fabricate an n-type carbon nanotube device with reliable device characteristics and high manufacturing compatibility.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: February 21, 2006
    Assignee: Industrial Technology Research Institute
    Inventors: Hung-Hsiang Wang, Jeng-Hua Wei, Ming-Jer Kao
  • Publication number: 20050287788
    Abstract: This specification discloses a manufacturing method of nanowire array. The method includes the steps of: providing a substrate; forming an insulating layer on the substrate; forming a metal catalyst layer on the insulating layer by spin on glass (SOG), the metal catalyst being Au, Ag, or Pt; forming a covering layer on the metal catalyst layer by SOG; patternizing the covering layer exposed out of the metal catalyst layer; etching the exposed metal catalyst layer to form a patternized metal catalyst layer; and forming a plurality of nanowires in the patternized metal catalyst layer.
    Type: Application
    Filed: August 9, 2004
    Publication date: December 29, 2005
    Applicant: Industrial Technology Research Institute
    Inventors: Jeng-Hua Wei, Hung-Hsiang Wang, Po-Yuan Lo, Ming-Jer Kao
  • Patent number: 6962839
    Abstract: The present invention generally relates to an apparatus and method of carbon nanotube (CNT) gate field effect transistor (FET), which is used to replace the current metal gate of transistor for decreasing the gate width greatly. The carbon nanotube has its own intrinsic characters of metal and semiconductor, so it can be the channel, connector or next-level gate of transistor. Furthermore, the transistor has the structure of exchangeable source and drain, and can be defined the specificity by outside wiring.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: November 8, 2005
    Assignee: Industrial Technology Research Institute
    Inventors: Jeng-Hua Wei, Hsin-Hui Chen, Ming-Jiunn Lai, Hung-Hsiang Wang, Ming-Jer Kao
  • Publication number: 20050233585
    Abstract: A metal nanoline process and applications on growth of aligned nanostructures thereof. A nano-structure is provided with a substrate with at least one nanodimensional metal catalyst line disposed thereon and at least one carbon nanotube or silicon nanowire extending along an end of the metal catalyst line.
    Type: Application
    Filed: October 21, 2004
    Publication date: October 20, 2005
    Inventors: Ming-Jiunn Lai, Jeng-Hua Wei, Hung-Hsiang Wang, Po-Yuan Lo, Ming-Jer Kao