Patents by Inventor Fu-An Yu

Fu-An Yu 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: 12069960
    Abstract: The invention provides a semiconductor structure, the semiconductor structure includes a dielectric layer, a plurality of MTJ stacked elements and at least one dummy MTJ stacked element located in the dielectric layer, a first nitride layer covering at least the sidewalls of the MTJ stacked elements and the dummy MTJ stacked elements, a second nitride layer covering the top surfaces of the dummy MTJ stacked elements, the thickness of the second nitride layer is greater than the thickness of the first nitride layer, and a plurality of contact structures located in the dielectric layer and electrically connected with each MTJ stacked element.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: August 20, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Ching-Hua Hsu, Fu-Yu Tsai, Bin-Siang Tsai
  • Publication number: 20240243057
    Abstract: An integrated circuit includes a substrate, an interconnection layer, an insulation layer, a metal bump structure, and a metal-insulator-metal capacitor. The interconnection layer is disposed above the substrate. The interconnection layer includes an interlayer dielectric layer and an interconnection structure disposed in the interlayer dielectric layer. The insulation layer is disposed on the interconnection layer, the metal bump structure is disposed on the insulation layer, and the metal-insulator-metal capacitor is disposed conformally on the metal bump structure and the insulation layer. A manufacturing method of the integrated circuit includes the following steps. The interconnection layer is formed above the substrate. The insulation layer is formed on the interconnection layer, the metal bump structure is formed on the insulation layer, and the metal-insulator-metal capacitor is formed conformally on the metal bump structure and the insulation layer.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 18, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Bin-Siang Tsai, Fu-Yu Tsai
  • Publication number: 20240213304
    Abstract: An MIM capacitor structure includes numerous inter-metal dielectrics. A trench is embedded within the inter-metal dielectrics. A capacitor is disposed within the trench. The capacitor includes a first electrode layer, a capacitor dielectric layer and a second electrode layer. The first electrode layer, the capacitor dielectric layer and the second electrode layer fill in and surround the trench. The capacitor dielectric layer is between the first electrode layer and the second electrode layer. A silicon oxide liner surrounds a sidewall of the trench and contacts the first electrode layer.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 27, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Bin-Siang Tsai, Fu-Yu Tsai, Chung-Yi Chiu
  • Publication number: 20240204020
    Abstract: An optical package structure and a method for manufacturing the same are provided. The optical package structure includes an optical element, a bonding structural member, and a light transmittable member. The bonding structural member is bonded to a surface of the optical element. The bonding structural member includes a first bonding layer, a light-absorption layer, and a second bonding layer. The first bonding layer and the second bonding layer are made of an opaque material. The light-absorption layer is disposed between the first bonding layer and the second bonding layer. The light transmittable member is bonded to the bonding structural member and spaced apart from the optical element. The light-absorption layer is configured to absorb light emitted to the bonding structural member.
    Type: Application
    Filed: September 25, 2023
    Publication date: June 20, 2024
    Inventors: CHIEN-HUNG LIN, BAE-YINN HWANG, WEN-FU YU, WEI-LI WANG
  • Publication number: 20240204019
    Abstract: An optical package structure includes a light transmittable member, a bonding structural member, and an optical element. The bonding structural member includes a first bonding layer and a second bonding layer to form a light-scattering structure. The first bonding layer is connected to a bonding surface of the light transmittable member. An inner side of the first bonding layer includes a plurality of first protruded portions. An inner side of the second bonding layer includes a plurality of second protruded portions. The second protruded portions and the first protruded portions are arranged in a staggered manner. The bonding structural member includes the first bonding layer or the light-absorption member. The light-absorption member is filled in concaved portions of the first bonding layer. The optical element is connected to the bonding structural member, and is spaced apart from the light transmittable member.
    Type: Application
    Filed: September 3, 2023
    Publication date: June 20, 2024
    Inventors: CHIEN-HUNG LIN, BAE-YINN HWANG, WEN-FU YU, WEI-LI WANG
  • Patent number: 12016250
    Abstract: An MRAM structure includes a dielectric layer. A first MRAM, a second MRAM and a third MRAM are disposed on the dielectric layer, wherein the second MRAM is disposed between the first MRAM and the third MRAM, and the second MRAM includes an MTJ. Two gaps are respectively disposed between the first MRAM and the second MRAM and between the second MRAM and the third MRAM. Two tensile stress pieces are respectively disposed in each of the two gaps. A first compressive stress layer surrounds and contacts the sidewall of the MTJ entirely. A second compressive stress layer covers the openings of each of the gaps and contacts the two tensile material pieces.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: June 18, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Min-Hua Tsai, Tai-Cheng Hou, Fu-Yu Tsai, Bin-Siang Tsai
  • Patent number: 12014995
    Abstract: A warpage-reducing semiconductor structure includes a wafer. The wafer includes a front side and a back side. Numerous semiconductor elements are disposed at the front side. A silicon oxide layer is disposed at the back side. A UV-transparent silicon nitride layer covers and contacts the silicon oxide layer. The refractive index of the UV-transparent silicon nitride layer is between 1.55 and 2.10.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: June 18, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Chin-Chia Yang, Tai-Cheng Hou, Fu-Yu Tsai, Bin-Siang Tsai
  • Publication number: 20240162208
    Abstract: A structure with a photodiode, an HEMT and an SAW device includes a photodiode and an HEMT. The photodiode includes a first electrode and a second electrode. The first electrode contacts a P-type III-V semiconductor layer. The second electrode contacts an N-type III-V semiconductor layer. The HEMT includes a P-type gate disposed on an active layer. A gate electrode is disposed on the P-type gate. Two source/drain electrodes are respectively disposed at two sides of the P-type gate. Schottky contact is between the first electrode and the P-type III-V semiconductor layer, and between the gate electrode and the P-type gate. Ohmic contact is between the second electrode and the first N-type III-V semiconductor layer, and between one of the two source/drain electrodes and the active layer and between the other one of two source/drain electrodes and the active layer.
    Type: Application
    Filed: December 7, 2022
    Publication date: May 16, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Chih-Wei Chang, Fu-Yu Tsai, Bin-Siang Tsai, Chung-Yi Chiu
  • Publication number: 20240128291
    Abstract: A sensor package structure includes a substrate, a sensor chip disposed on and electrically coupled to the substrate, a light-permeable layer, an adhesive layer having a ring-shape and sandwiched between the sensor chip and the light-permeable layer, and an encapsulant formed on the substrate. The adhesive layer has two adhering surfaces having a same area and a middle cross section located at a middle position between the two adhering surfaces. An area of the middle cross section is 115% to 200% of an area of any one of the two adhering surfaces. The adhesive layer can provide for light to travel therethrough, and enables the light therein to change direction and to attenuate. The sensor chip, the adhesive layer, and the light-permeable layer are embedded in the encapsulant, and an outer surface of the light-permeable layer is at least partially exposed from the encapsulant.
    Type: Application
    Filed: June 6, 2023
    Publication date: April 18, 2024
    Inventors: CHIA-SHUAI CHANG, CHIEN-HUNG LIN, WEI-LI WANG, WEN-FU YU, BAE-YINN HWANG
  • Publication number: 20240128139
    Abstract: A sensor package structure includes a substrate, a sensor chip disposed on the substrate along a predetermined direction for being electrically coupled to each other, a light-permeable layer, an adhesive layer having a ring-shape and sandwiched between the sensor chip and the light-permeable layer, and an encapsulant formed on the substrate. The adhesive layer is formed with at least one type of a buffering cavity, wave-shaped slots, and rectangular slots, which penetrate therethrough along the predetermined direction. The buffering cavity can be located in the adhesive layer, and any one type of the wave-shaped slots and the rectangular slots can be respectively recessed in an inner side and an outer side of the adhesive layer. A minimum width of the adhesive layer is greater than or equal to 50% of a predetermined width between the inner side and the outer side.
    Type: Application
    Filed: June 6, 2023
    Publication date: April 18, 2024
    Inventors: WEI-LI WANG, JYUN-HUEI JIANG, WEN-FU YU, BAE-YINN HWANG, CHIEN-HUNG LIN
  • Publication number: 20240128233
    Abstract: A sensor package structure and a manufacturing method thereof are provided. The sensor package structure includes a substrate, a fixing adhesive layer disposed on the substrate, a sensor chip adhered to the fixing adhesive layer, an annular adhering layer disposed on the sensor chip, a light-permeable sheet adhered to the annular adhering layer, and a plurality of metal wires that are electrically coupled to the substrate and the sensor chip. The size of the light-permeable sheet is smaller than that of the sensor chip.
    Type: Application
    Filed: June 6, 2023
    Publication date: April 18, 2024
    Inventors: CHIA-SHUAI CHANG, WEN-FU YU, BAE-YINN HWANG, WEI-LI WANG, CHIEN-HUNG LIN
  • Patent number: 11951571
    Abstract: A method of forming a package structure includes an etching step, a laser step, a plating step and a singulation step. In the etching step, a plurality of cutting streets of a leadframe are etched. In the laser step, a plastic package material covering on each of the cutting streets is removed via a laser beam. In the plating step, a plurality of plating surfaces are disposed on a plurality of areas of the leadframe without the plastic package material. In the singulation step, the cutting streets of the leadframe are cut to form the package structure.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: April 9, 2024
    Assignee: INTEGRATED SILICON SOLUTION INC.
    Inventors: Cheng-Fu Yu, Kai-Jih Shih, Yi-Jung Liu
  • Publication number: 20240081154
    Abstract: A method for fabricating a semiconductor device includes the steps of: providing a substrate, wherein the substrate comprises a MRAM region and a logic region; forming a magnetic tunneling junction (MTJ) on the MRAM region; forming a top electrode on the MTJ; and then performing a flowable chemical vapor deposition (FCVD) process to form a first inter-metal dielectric (IMD) layer around the top electrode and the MTJ.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Tai-Cheng Hou, Fu-Yu Tsai, Bin-Siang Tsai, Da-Jun Lin, Chau-Chung Hou, Wei-Xin Gao
  • Patent number: 11923429
    Abstract: A semiconductor device and method for forming the semiconductor device are provided. In some embodiments, a semiconductor substrate comprises a device region. An isolation structure extends laterally in a closed path to demarcate the device region. A first source/drain region and a second source/drain region are in the device region and laterally spaced. A sidewall of the first source/drain region directly contacts the isolation structure at a first isolation structure sidewall, and remaining sidewalls of the first source/drain region are spaced from the isolation structure. A selectively-conductive channel is in the device region, and extends laterally from the first source/drain region to the second source/drain region. A plate comprises a central portion and a first peripheral portion. The central portion overlies the selectively-conductive channel, and the first peripheral portion protrudes from the central portion towards the first isolation structure sidewall.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chang Cheng, Fu-Yu Chu, Ming-Ta Lei, Ruey-Hsin Liu, Shih-Fen Huang
  • Publication number: 20240047313
    Abstract: A package structure includes a leadframe, at least two dies, at least one spacer and a plastic package material. The leadframe includes a die pad. The dies are disposed on the die pad of the leadframe. The spacer is disposed between at least one of the dies and the die pad. The plastic package material is disposed on the leadframe, and covers the dies. A first minimum spacing distance is between one of a plurality of edges of the spacer and one of a plurality of edges of the die pad, a second minimum spacing distance is between one of a plurality of edges of the dies and one of the edges of the die pad, and the first minimum spacing distance is larger than the second minimum spacing distance.
    Type: Application
    Filed: November 3, 2022
    Publication date: February 8, 2024
    Inventors: Cheng-Fu YU, Kai-Jih SHIH, Chi-Yi WU
  • Patent number: 11871677
    Abstract: A method for fabricating a semiconductor device includes the steps of: providing a substrate, wherein the substrate comprises a MRAM region and a logic region; forming a magnetic tunneling junction (MTJ) on the MRAM region; forming a top electrode on the MTJ; and then performing a flowable chemical vapor deposition (FCVD) process to form a first inter-metal dielectric (IMD) layer around the top electrode and the MTJ.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: January 9, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Tai-Cheng Hou, Fu-Yu Tsai, Bin-Siang Tsai, Da-Jun Lin, Chau-Chung Hou, Wei-Xin Gao
  • Publication number: 20230403946
    Abstract: A method for fabricating semiconductor device includes first forming a first magnetic tunneling junction (MTJ) and a second MTJ on a substrate, performing an atomic layer deposition (ALD) process or a high-density plasma (HDP) process to form a passivation layer on the first MTJ and the second MTJ, performing an etching process to remove the passivation layer adjacent to the first MTJ and the second MTJ, and then forming an ultra low-k (ULK) dielectric layer on the passivation layer.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 14, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Hui-Lin Wang, Tai-Cheng Hou, Wei-Xin Gao, Fu-Yu Tsai, Chin-Yang Hsieh, Chen-Yi Weng, Jing-Yin Jhang, Bin-Siang Tsai, Kun-Ju Li, Chih-Yueh Li, Chia-Lin Lu, Chun-Lung Chen, Kun-Yuan Laio, Yu-Tsung Lai, Wei-Hao Huang
  • Patent number: 11829463
    Abstract: Provided is an electronic device, including a housing, a fixing hole, a platform and a sensor. The fixing hole is located at the housing and configured to detachably fix an identification element. The platform extends outward from the lower edge of the fixing hole. The sensor is disposed on the platform and configured to communicate with the identification element.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: November 28, 2023
    Assignee: ASUSTEK COMPUTER INC.
    Inventors: Chia-Hao Hung, Ming-Chih Huang, Tong-Shen Hsiung, Meng-Chu Huang, Fu-Yu Cai, Chieh Mii, Ya-Yun Huang, Minseong Kim, Shang-Chih Liang
  • Publication number: 20230378090
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes an isolation structure disposed in a semiconductor substrate, where an inner perimeter of the isolation structure demarcates a device region of the semiconductor substrate. A gate is disposed over the device region, where an outer perimeter of the gate is disposed within the inner perimeter of the isolation structure. A first source/drain region is disposed in the device region and on a first side of the gate. A second source/drain region is disposed in the device region and on a second side of the gate opposite the first side. A silicide blocking structure partially covers the gate, partially covers the first source/drain region, and partially covers the isolation structure, where a first sidewall of the silicide blocking structure is disposed between first opposite sidewalls of the gate.
    Type: Application
    Filed: August 2, 2023
    Publication date: November 23, 2023
    Inventors: Chih-Chang Cheng, Fu-Yu Chu, Ruey-Hsin Liu
  • Publication number: 20230377952
    Abstract: A gallium nitride (GaN) device with field plate structure, including a substrate, a gate on the substrate and a passivation layer covering on the gate, a source and a drain on the substrate and the passivation layer, a stop layer on the source, the drain and the passivation layer, and dual-damascene interconnects connecting respectively with the source and the drain, wherein the dual-damascene interconnect is provided with a via portion under the stop layer and a trench portion on the stop layer, and the via portion is connected with the source or the drain, and the trench portion of one of the dual-damascene interconnects extends horizontally toward the drain and overlaps the gate below in vertical direction, thereby functioning as a field plate structure for the GaN device.
    Type: Application
    Filed: June 9, 2022
    Publication date: November 23, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Fu-Yu Tsai, Bin-Siang Tsai, Chung-Yi Chiu