Patents by Inventor Sang Kee Yoon

Sang Kee Yoon 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: 10903817
    Abstract: A method of manufacturing a bulk acoustic wave resonator includes: forming a sacrificial layer on a substrate protection layer; forming a membrane layer on the substrate protection layer to cover the sacrificial layer; and forming a cavity by removing the sacrificial layer using a gas mixture comprising a halide-based gas and an oxygen-containing gas, wherein a mixture ratio of the halide-based gas to the oxygen-containing gas in the gas mixture is in a range from 1.5 to 2.4.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: January 26, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Kee Yoon, Nam Soo Park, Hyung Jae Park, Tae Kyung Lee, Moon Chul Lee
  • Patent number: 10903814
    Abstract: A bulk acoustic wave resonator includes a membrane layer, together with a substrate, forming a cavity, a lower electrode disposed on the membrane layer, a piezoelectric layer disposed on a flat surface of the lower electrode and an upper electrode covering a portion of the piezoelectric layer. An overall region at a side of the piezoelectric layer is exposed to the air. The side of the piezoelectric layer has a gradient of 65° to 90° with respect to a top surface of the lower electrode.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: January 26, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Han, Chang Hyun Lim, Yong Suk Kim, Seung Hun Han, Sung Jun Lee, Sang Kee Yoon, Tae Yoon Kim
  • Patent number: 10775943
    Abstract: A touch input device capable of detecting a pressure of a touch on a touch surface may be provided that includes: a display module; and a pressure sensor which is disposed at a position where a distance between the pressure sensor and a reference potential layer is changeable according to the touch on the touch surface. The distance is changeable according to a pressure magnitude of the touch. The pressure sensor outputs a signal including information on a capacitance which is changed according to the distance. The pressure sensor includes a plurality of electrodes to form a plurality of channels. The pressure magnitude of the touch is detected on the basis of a change amount of the capacitance detected in each of the channels. According to the embodiment of the present invention, it is possible to provide a pressure sensor for pressure detection, a touch input device including the same, and a pressure detection method using the same.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 15, 2020
    Assignee: HiDeep Inc.
    Inventors: Bong Jin Seo, Jae Bum Jun, Hwan Hee Lee, Bon Kee Kim, Sang Sic Yoon, Myung Jun Jin
  • Publication number: 20190356301
    Abstract: A method of manufacturing a bulk acoustic wave resonator includes: forming a sacrificial layer on a substrate protection layer; forming a membrane layer on the substrate protection layer to cover the sacrificial layer; and forming a cavity by removing the sacrificial layer using a gas mixture comprising a halide-based gas and an oxygen-containing gas, wherein a mixture ratio of the halide-based gas to the oxygen-containing gas in the gas mixture is in a range from 1.5 to 2.4.
    Type: Application
    Filed: November 20, 2018
    Publication date: November 21, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Kee YOON, Nam Soo PARK, Hyung Jae PARK, Tae Kyung LEE, Moon Chul LEE
  • Patent number: 10484600
    Abstract: An electronic apparatus and a method thereof are provided. The electronic apparatus includes a first camera including a first angle of view, a second camera including a second angle of view, a display, an input device for obtaining a set ratio, and a processor. If the ratio is within a specified range, the processor sets the first camera to a specified first frame rate, and the second camera to a second frame rate slower than the first frame rate, and displays a first image, which is obtained at the first frame rate using the first camera. If the ratio is within other specified range, the processor sets the second camera to a specified third frame rate, the first camera to a fourth frame rate slower than the third frame rate, and displays a second image, which is obtained at the third frame rate using the second camera.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: November 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Myung Baek, Young Kwon Yoon, Taek Seong Jeong, Subash Pandey, Sang Kee Jung
  • Patent number: 10394364
    Abstract: A touch pressure sensitivity correction method may be provided that includes: defining a plurality of reference points on a touch sensor panel; generating a reference data for a capacitance change amount sensed by applying the same pressure to the plurality of reference points; generating an interpolated data corresponding to a capacitance change amount for a random point present between the plurality of reference points; calculating, on the basis of the reference data and interpolated data, with respect to the reference points and the random point respectively, a correction factor for correcting a sensitivity of a touch input device to a target value; and correcting uniformly for the touch pressure sensitivity of the touch input device by applying the calculated correction factor to each corresponding point.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: August 27, 2019
    Assignee: HiDeep Inc.
    Inventors: Bong Jin Seo, Ho Jun Moon, Myung Jun Jin, Hwan Hee Lee, Tae Hoon Kim, Se Yeob Kim, Won Woo Lee, Sang Sic Yoon, Bon Kee Kim
  • Patent number: 10331268
    Abstract: A sensitivity compensation method of a touch input device sensing a touch pressure may be provided. The sensitivity compensation method includes: detecting a capacitance change amount by applying a pressure to a plurality of points defined on a touch sensor panel; generating a raw data for the capacitance change amount of the defined point; generating a decimal value data for each of the sets by dividing a data value within the set by a maximum value within the set; calculating an average value of each defined point; generating a representative value data by calculating a value corresponding to all the points of the touch sensor panel; calculating a balance factor on the basis of the representative value data; and compensating for a touch pressure sensitivity of the touch input device by using the balance factor.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: June 25, 2019
    Assignee: HiDeep Inc.
    Inventors: Tae Hoon Kim, Sang Sic Yoon, Se Yeob Kim, Bon Kee Kim, Ho Jun Moon, Seon Dong Kwak
  • Patent number: 10199167
    Abstract: A thin-film ceramic capacitor includes a body, a plurality of dielectric layers and first and second electrode layers alternately disposed on a substrate in the body, first and second electrode pads disposed on an external surface of the body, and a plurality of vias disposed in the body, the plurality of dielectric layers and first and second electrode layers having inclined etched surfaces exposed to the plurality of vias, a first via, of the plurality of vias, being connected to the inclined surface of the first electrode layer, and a second via, of the plurality of vias, being connected to the inclined surface of the second electrode layer.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: February 5, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Hun Han, Sung Min Cho, Tae Joon Park, Hyun Ho Shin, Sang Kee Yoon
  • Publication number: 20190013792
    Abstract: An acoustic resonator includes a substrate, a center portion, an extending portion, and a barrier layer. A first electrode, a piezoelectric layer, and a second electrode are sequentially stacked on the substrate in the central portion. The extending portion is configured to extend from the center portion, and includes an insertion layer disposed below the piezoelectric layer. The barrier layer is disposed between the first electrode and the piezoelectric layer.
    Type: Application
    Filed: May 7, 2018
    Publication date: January 10, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung LEE, Sung Sun KIM, Sang Kee YOON, Chang Hyun LIM, Jin Suk SON, Ran Hee SHIN, Je Hong KYOUNG
  • Publication number: 20180278230
    Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.
    Type: Application
    Filed: October 19, 2017
    Publication date: September 27, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung LEE, Tae Yoon KIM, Sang Kee YOON, Chang Hyun LIM, Jong Woon KIM, Moon Chul LEE
  • Publication number: 20180254764
    Abstract: An acoustic resonator includes: a central portion; an extension portion extended outwardly of the central portion; a first electrode, a piezoelectric layer, and a second electrode sequentially stacked on a substrate, in the central portion; and an insertion layer disposed below the piezoelectric layer in the extension portion, wherein the piezoelectric layer includes a piezoelectric portion disposed in the central portion, and a bent portion disposed in the extension portion and extended from the piezoelectric portion at an incline depending on a shape of the insertion layer.
    Type: Application
    Filed: October 30, 2017
    Publication date: September 6, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung LEE, Won HAN, Tae Yoon KIM, Jong Woon KIM, Moon Chul LEE, Chang Hyun LIM, Sang Kee YOON, Hwa Sun LEE, Dae Hun JEONG
  • Publication number: 20180205360
    Abstract: A bulk acoustic wave resonator includes: a substrate; a membrane layer forming a cavity together with the substrate; a lower electrode disposed on the membrane layer; a piezoelectric layer disposed on a flat surface of the lower electrode; and an upper electrode covering a portion of the piezoelectric layer and exposing a side of the piezoelectric layer to air, wherein the piezoelectric layer includes a step portion extended from the side of the piezoelectric layer and disposed on the flat surface of the lower electrode.
    Type: Application
    Filed: November 14, 2017
    Publication date: July 19, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won HAN, Dae Ho KIM, Yong Suk KIM, Seung Hun HAN, Moon Chul LEE, Chang Hyun LIM, Sung Jun LEE, Sang Kee YOON, Tae Yoon KIM, Sang Uk SON
  • Publication number: 20180152168
    Abstract: A bulk acoustic wave resonator includes a membrane layer, together with a substrate, forming a cavity, a lower electrode disposed on the membrane layer, a piezoelectric layer disposed on a flat surface of the lower electrode and an upper electrode covering a portion of the piezoelectric layer. An overall region at a side of the piezoelectric layer is exposed to the air. The side of the piezoelectric layer has a gradient of 65° to 90° with respect to a top surface of the lower electrode.
    Type: Application
    Filed: October 20, 2017
    Publication date: May 31, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won HAN, Chang Hyun LIM, Yong Suk KIM, Seung Hun HAN, Sung Jun LEE, Sang Kee YOON, Tae Yoon KIM
  • Publication number: 20180144866
    Abstract: A thin-film ceramic capacitor includes a body, a plurality of dielectric layers and first and second electrode layers alternately disposed on a substrate in the body, first and second electrode pads disposed on an external surface of the body, and a plurality of vias disposed in the body, the plurality of dielectric layers and first and second electrode layers having inclined etched surfaces exposed to the plurality of vias, a first via, of the plurality of vias, being connected to the inclined surface of the first electrode layer, and a second via, of the plurality of vias, being connected to the inclined surface of the second electrode layer.
    Type: Application
    Filed: July 5, 2017
    Publication date: May 24, 2018
    Inventors: Seung Hun HAN, Sung Min CHO, Tae Joon PARK, Hyun Ho SHIN, Sang Kee YOON
  • Publication number: 20180138888
    Abstract: A bulk acoustic wave resonator includes a substrate on which a substrate protective layer is disposed, a membrane layer forming a cavity together with the substrate, and a resonant portion disposed on the membrane layer. The cavity is formed by removing a sacrificial layer using a mixed gas obtained by mixing a halide-based gas and an oxygen gas, and at least one of the membrane layer and the substrate protective layer has a thickness difference of 170 ? or less, after the cavity is formed.
    Type: Application
    Filed: October 20, 2017
    Publication date: May 17, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kee YOON, Hyung Jae PARK, Nam Soo PARK, Jong Woon KIM, Moon Chul LEE
  • Publication number: 20180062608
    Abstract: A bulk acoustic resonator includes: a substrate including an upper surface on which a substrate protection layer is disposed; and a membrane layer forming a cavity together with the substrate, wherein a thickness deviation of either one or both of the substrate protection layer and the membrane layer is 170 ? or less.
    Type: Application
    Filed: July 12, 2017
    Publication date: March 1, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung LEE, Tae Yoon KIM, Dae Ho KIM, Chang Hyun LIM, Tae Hun LEE, Sang Kee YOON, Jong Woon KIM, Won HAN, Moon Chul LEE
  • Publication number: 20180054182
    Abstract: A bulk acoustic wave resonator includes: a support part disposed on a substrate; a layer disposed on the support part, wherein an air cavity is formed between the support part, the substrate and the layer; and a frame extending along the layer, within the air cavity, and spaced apart from the support part.
    Type: Application
    Filed: June 28, 2017
    Publication date: February 22, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Yoon KIM, Tae Kyung LEE, Sung Min CHO, Sang Kee YOON, Moon Chul LEE
  • Publication number: 20170317660
    Abstract: A bulk acoustic wave resonator may include: an air cavity; an etching stop layer and an etching stop part, which define a lower boundary surface and a side boundary surface of the air cavity; and a resonating part formed on an approximately planar surface, which is formed by a upper boundary surface of the air cavity and a top surface of the etching stop part. A width of a top surface of the etching stop part may be greater than a width of a bottom surface of the etching stop part. A side surface of the etching stop part connecting the top surface of the etching stop part to the bottom surface of the etching stop part may be inclined.
    Type: Application
    Filed: December 20, 2016
    Publication date: November 2, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Yoon KIM, Tae Kyung LEE, Moon Chul LEE, Sung Min CHO, Sang Kee YOON
  • Publication number: 20150096374
    Abstract: Disclosed herein is an angular velocity sensor, including: a mass body part; an internal frame supporting the mass body part; a first flexible part each connecting the mass body part to the internal frame; a second flexible part each connecting the mass body part to the internal frame; an external frame supporting the internal frame; a third flexible part connecting the internal frame and the external frame to each other; and a fourth flexible part connecting the internal frame and the external frame to each other, wherein the internal frame, the second flexible part, and the fourth flexible part have an oxide layer formed thereon.
    Type: Application
    Filed: September 28, 2014
    Publication date: April 9, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Woon Kim, Jae Chang Lee, Sang Kee Yoon, Hyun Kee Lee, Yeong Gyu Lee, Seung Mo Lim
  • Publication number: 20140174179
    Abstract: Disclosed herein is an inertial sensor, including: a structural part for an accelerator sensor disposed on one surface, centered on a common post; and a structural part for an angular velocity sensor disposed on the other surface, centered on the common post, wherein a piezoresistor of the structural part for the accelerator sensor and a piezoelectric material of the structural part for the angular velocity sensor are formed on different surfaces.
    Type: Application
    Filed: December 24, 2013
    Publication date: June 26, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyun Kee Lee, Sang Kee Yoon