Patents Examined by Lauren R Bell
  • Patent number: 11456268
    Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a first semiconductor die, an insulating encapsulation laterally encapsulating the first semiconductor die, and a redistribution structure disposed on the first semiconductor die and the insulating encapsulation. The first semiconductor die includes a first contact region and a first non-contact region in proximity to the first contact region. The first semiconductor die includes a first electrical connector disposed on the first contact region and a first dummy conductor disposed on the first non-contact region, and the first electrical connector is electrically connected to a first integrated circuit (IC) component in the first semiconductor die. The first electrical connector is electrically connected to the redistribution structure, and the first dummy conductor is electrically insulated from the first IC component in the first semiconductor die and the redistribution structure.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: September 27, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jung-Hua Chang, Chin-Fu Kao
  • Patent number: 11430739
    Abstract: Structures and formation methods of a package structure are provided. The method includes forming a conductive structure over a carrier substrate and disposing a semiconductor die over the carrier substrate. The method also includes pressing a protective substrate against the carrier substrate at an elevated temperature to bond the protective substrate to the conductive structure. The method further includes forming a protective layer to surround the semiconductor die.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: August 30, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Po-Hao Tsai, Hsien-Wen Liu, Shin-Puu Jeng, Meng-Liang Lin, Shih-Yung Peng, Shih-Ting Hung
  • Patent number: 11417670
    Abstract: The present disclosure provides an integrated circuit. The integrated circuit includes a substrate; a field effect transistor disposed in a periphery region of the substrate, the field effect transistor including a gate electrode, a first source, a first drain; a floating gate non-volatile memory device disposed in a memory region of the substrate, the floating gate non-volatile memory device including a second source, a third source, and a second drain, wherein the second source, the third source, and the second drain are disposed along an axis; and a floating gate electrode in the memory region including a first portion, a second portion, and a third portion, wherein the first portion, the second portion, and the third portion are electrically connected, wherein the first portion, the second portion and the third portion extend perpendicular to the axis.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: August 16, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Felix Ying-Kit Tsui, Huang-Wen Tseng
  • Patent number: 11404585
    Abstract: A manufacturing method of a semiconductor device in which the threshold is adjusted to an appropriate value is provided. The semiconductor device includes a semiconductor, a source or drain electrode electrically connected to the semiconductor, a first gate electrode and a second gate electrode between which the semiconductor is sandwiched, an electron trap layer between the first gate electrode and the semiconductor, and a gate insulating layer between the second gate electrode and the semiconductor. By keeping a potential of the first gate electrode higher than a potential of the source or drain electrode for 1 second or more while heating, electrons are trapped in the electron trap layer. Consequently, threshold is increased and Icut is reduced.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: August 2, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yoshitaka Yamamoto, Tetsuhiro Tanaka, Toshihiko Takeuchi, Yasumasa Yamane, Takayuki Inoue, Shunpei Yamazaki
  • Patent number: 11355662
    Abstract: A method of manufacturing a nitride semiconductor light emitting element includes: growing an n-side nitride semiconductor layer; growing an active layer on the n-side nitride semiconductor layer; and growing a p-side nitride semiconductor layer on the active layer, which includes: growing a first p-side nitride semiconductor layer, growing a second p-side nitride semiconductor layer, growing a third p-side nitride semiconductor layer, and growing a fourth p-side nitride semiconductor layer, while varying flow rates of an Al source gas, a Ga source gas, an N source gas, and a Mg source gas.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: June 7, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Hiroki Kondo
  • Patent number: 11355670
    Abstract: A deep ultraviolet light emitting device includes: a light extraction surface; an n-type semiconductor layer provided on the light extraction surface; an active layer having a band gap of 3.4 eV or larger; and a p-type semiconductor layer provided on the active layer. Deep ultraviolet light emitted by the active layer is output outside from the light extraction surface. A side surface of the active layer is inclined with respect to an interface between the n-type semiconductor layer and the active layer, and an angle of inclination of the side surface is not less than 15° and not more than 50°.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: June 7, 2022
    Assignee: NIKKISO CO., LTD.
    Inventors: Haruhito Sakai, Noritaka Niwa, Tetsuhiko Inazu, Cyril Pernot
  • Patent number: 11295982
    Abstract: A method of fabricating ultra-thin chips is provided. The method includes patterning circuit elements onto a substrate such that sections of the substrate are exposed and etching trenches into the sections of the substrate to define pedestals respectively associated with a corresponding circuit element. The method further includes depositing stressor layer material onto the circuit elements and applying handling tape to the stressor layer material. In addition, the method includes at least one of weakening the substrate in a plane defined by base corners of the pedestals and initiating substrate cracking at the base corners of the pedestals to encourage spalling of the pedestals off the substrate.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 5, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Katsuyuki Sakuma, Huan Hu, Xiao Hu Liu
  • Patent number: 11282830
    Abstract: A device comprises a high voltage n well and a high voltage p well over a buried layer, a first low voltage n well over the high voltage n well, wherein a bottom portion of the first low voltage n well is surrounded by the high voltage n well, an N+ region over the first low voltage n well, a second low voltage n well and a low voltage p well over the high voltage p well, a first P+ region over the second low voltage n well and a second P+ region over the low voltage p well.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 22, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Feng Chang, Jam-Wem Lee
  • Patent number: 11282924
    Abstract: A semiconductor device may include a semiconductor substrate. The semiconductor device may further include a gate electrode that overlaps the semiconductor substrate. The semiconductor device may further include a channel region that overlaps at least one of the gate electrode and the semiconductor substrate. The semiconductor device may further include a stress adjustment element that contacts the channel region and is positioned between the channel region and a surface of the semiconductor substrate in a direction perpendicular to the surface of the semiconductor substrate. A maximum width of the channel region in a direction parallel to the surface of the semiconductor substrate is greater than a maximum width of the stress adjustment element in the direction parallel to the surface of the semiconductor substrate in a cross-sectional view of the semiconductor device.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: March 22, 2022
    Inventor: Meng Zhao
  • Patent number: 11264441
    Abstract: An organic light emitting display apparatus includes a substrate; a thin film transistor which is disposed over the substrate; a first electrode which is disposed over the substrate and electrically connected to the thin film transistor; a passivation layer which covers the thin film transistor and contacts a predetermined region of an upper surface of the first electrode; an intermediate layer which is disposed over the first electrode, includes an organic emission layer, and contacts a predetermined region of the passivation layer; and a second electrode which is disposed over the intermediate layer.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong-Hyun Jin, Seong-Ho Kim
  • Patent number: 11251110
    Abstract: In a semiconductor device (4), a semiconductor chip (10) is mounted on a die pad (6) which has a die pad overhang portion (6a) and leads (9) are arranged around and apart from the die pad (6). The leads (9) and the semiconductor chip (10) are electrically connected and are covered with a sealing resin (8). A concave portion (7e) is formed on the outer side of each lead (9), i.e., the far side from the die pad. A lead concave surface (7d) facing the concave portion (7e) includes a forward-tapered lead slope surface (7h). Side surface of the sealing resin (8) has a step of a staircase shape formed from the first and the second resin side surfaces (8a and 8b). A tip of the lead (9) protrudes past the first resin side surface (8a).
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: February 15, 2022
    Assignee: ABLIC INC.
    Inventor: Kiyoaki Kadoi
  • Patent number: 11205710
    Abstract: A fabricating method of a semiconductor structure includes the following steps. A gate material layer is formed on a semiconductor substrate. A patterned mask layer is formed on the gate material layer. The pattern mask layer includes at least one opening exposing a part of the gate material layer. An impurity treatment is performed to the gate material layer partially covered by the pattern mask layer for forming at least one doped region in the gate material layer. An etching process is performed to remove the gate material layer including the doped region. A dummy gate may be formed by patterning the gate material layer, and the impurity treatment may be performed after the step of forming the dummy gate. The performance of the etching processes for removing the gate material layer and/or the dummy gate may be enhanced, and the gate material residue issue may be solved accordingly.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: December 21, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Wen-Chien Hsieh, En-Chiuan Liou, Chih-Wei Yang, Yu-Cheng Tung, Po-Wen Su
  • Patent number: 11177175
    Abstract: Microelectronic devices and methods for filling vias and forming conductive interconnects in microfeature workpieces and dies are disclosed herein. In one embodiment, a method includes providing a microfeature workpiece having a plurality of dies and at least one passage extending through the microfeature workpiece from a first side of the microfeature workpiece to an opposite second side of the microfeature workpiece. The method can further include forming a conductive plug in the passage adjacent to the first side of the microelectronic workpiece, and depositing conductive material in the passage to at least generally fill the passage from the conductive plug to the second side of the microelectronic workpiece.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: November 16, 2021
    Assignee: Micron Technology, Inc.
    Inventors: William M. Hiatt, Kyle K. Kirby
  • Patent number: 11127830
    Abstract: Apparatus (e.g., semiconductor devices) include stack structures with at least one conductive region and at least one nonconductive material. A multidielectric spacer is adjacent the at least one conductive region and comprises first and second dielectric materials. The first dielectric material, adjacent the at least one conductive region, includes silicon and nitrogen. The second dielectric material, adjacent the first dielectric material, comprises silicon-carbon bonds and defines a substantially straight, vertical, outer sidewall. In methods to form such apparatus, the first dielectric material may be formed with selectivity on the at least one conductive region, and the second dielectric material may be formulated and formed to exhibit etch resistance.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: September 21, 2021
    Assignee: Micron Technology, Inc.
    Inventors: John A. Smythe, Silvia Borsari, Francois H. Fabreguette, Sutharsan Ketharanathan
  • Patent number: 11127739
    Abstract: A semiconductor device includes a substrate and first and second gate electrodes on the substrate. The first gate electrode includes a first gate insulation film having a bottom portion on the substrate and sidewall portions extending from the bottom portion and away from the substrate defining a first trench having a first width and a first functional film filling the first trench. The second gate electrode includes a second gate insulation film having a bottom portion on the substrate and sidewall portions extending from the bottom portion defining a second trench having a second width different from the first width, a second functional film conforming to the second gate insulation film in the second trench and defining a third trench, and a metal region in the third trench. The first width may be less than the second width.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye-Lan Lee, Sang-Bom Kang, Jae-Jung Kim, Moon-Kyu Park, Jae-Yeol Song, June-Hee Lee, Yong-Ho Ha, Sang-Jin Hyun
  • Patent number: 11111135
    Abstract: MEMS based sensors, particularly capacitive sensors, potentially can address critical considerations for users including accuracy, repeatability, long-term stability, ease of calibration, resistance to chemical and physical contaminants, size, packaging, and cost effectiveness. Accordingly, it would be beneficial to exploit MEMS processes that allow for manufacturability and integration of resonator elements into cavities within the MEMS sensor that are at low pressure allowing high quality factor resonators and absolute pressure sensors to be implemented. Embodiments of the invention provide capacitive sensors and MEMS elements that can be implemented directly above silicon CMOS electronics.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: September 7, 2021
    Assignee: MY01 IP Holdings Inc.
    Inventors: Vamsy Chodavarapu, Adel Merdassi, Charles Allan
  • Patent number: 11107689
    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a NMOS region and a PMOS region; forming a pad oxide layer on the substrate, wherein the pad oxide layer comprises a first thickness; performing an implantation process to inject germanium (Ge) into the substrate on the PMOS region; performing a first cleaning process to reduce the first thickness of the pad oxide layer on the PMOS region to a second thickness; performing an anneal process; and performing a second cleaning process to remove the pad oxide layer.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: August 31, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shi-You Liu, Tsai-Yu Wen, Ming-Shiou Hsieh, Rong-Sin Lin, Ching-I Li, Neng-Hui Yang
  • Patent number: 11101444
    Abstract: A sealed structure which has high sealing capability and whose border can be slim is provided. The sealed structure includes a pair of substrates whose respective surfaces face each other with a space therebetween, and a glass layer which is in contact with the substrates, defines a space between the substrates, and has at least one corner portion and side portions in continuity with the corner portion. The width of the corner portion of the glass layer is smaller than or equal to that of the side portion of the same. The sealed structure may comprise a highly reliable light-emitting element including a layer containing a light-emitting organic compound provided between a pair of electrodes.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: August 24, 2021
    Inventors: Shunpei Yamazaki, Daiki Nakamura, Yusuke Nishido
  • Patent number: 10937871
    Abstract: A semiconductor device comprises a first layer of a substrate arranged on a second layer of the substrate the second layer of the substrate including a doped III-V semiconductor material barrier layer, a gate stack arranged on a channel region of the first layer of a substrate, a spacer arranged adjacent to the gate stack on the first layer of the substrate, an undoped epitaxially grown III-V semiconductor material region arranged on the second layer of the substrate, and an epitaxially grown source/drain region arranged on the undoped epitaxially grown III-V semiconductor material region, and a portion of the first layer of the substrate.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: March 2, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Cheng-Wei Cheng, Pranita Kerber, Amlan Majumdar, Yanning Sun
  • Patent number: 10923496
    Abstract: An alternating stack of insulating layers and spacer material layers is formed over a source-level sacrificial layer overlying a substrate. The spacer material layers are formed as, or are subsequently replaced with, electrically conductive layers. Memory stack structures including a respective vertical semiconductor channel and a respective memory film are formed through the alternating stack. A source-level cavity is formed by removing the source-level sacrificial layer. Semiconductor pillar structures may be used to provide mechanical support to the alternating stack during formation of the source-level cavity. A source-level semiconductor material layer can be formed in the source-level cavity. The source-level semiconductor material layer adjoins bottom end portions of the vertical semiconductor channels and laterally surrounds the semiconductor pillar structures.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: February 16, 2021
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Mitsuteru Mushiga, Kenji Sugiura, Akio Nishida, Ryosuke Kaneko, Michiaki Sano