Patents by Inventor Man Hwang

Man Hwang 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: 9660186
    Abstract: Provided is a method of manufacturing a semiconductor device. The method of manufacturing the semiconductor device includes forming magneto tunnel layers, forming a hard mask on the magneto tunnel layers, etching the magneto tunnel layers to form a magneto tunnel junction, wherein etching by-products are formed on sidewalls of the magneto tunnel junction, performing chemical treatment on the etching by-products to convert the etching by-products into a chemical reactant; and inspecting the chemical reactant.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinhye Bae, Wonjun Lee, Yoonsung Han, Hoon Han, Kyu-Man Hwang, Yongsun Ko
  • Publication number: 20170104152
    Abstract: Provided is a method of manufacturing a semiconductor device. The method of manufacturing the semiconductor device includes forming magneto tunnel layers, forming a hard mask on the magneto tunnel layers, etching the magneto tunnel layers to form a magneto tunnel junction, wherein etching by-products are formed on sidewalls of the magneto tunnel junction, performing chemical treatment on the etching by-products to convert the etching by-products into a chemical reactant; and inspecting the chemical reactant.
    Type: Application
    Filed: June 7, 2016
    Publication date: April 13, 2017
    Inventors: Jinhye BAE, Wonjun LEE, Yoonsung HAN, Hoon HAN, Kyu-Man HWANG, Yongsun KO
  • Patent number: 9374885
    Abstract: A ceramic elements module including ceramic elements that have a plurality of lower inserting grooves; an electronic component that is mounted on a lower surface of the ceramic elements; and a heat sink that is coupled with a lower part of the ceramic elements mounted with the electronic component and has a first penetrating hole corresponding to the lower inserting groove and a second penetrating hole into which the electronic component is inserted.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: June 21, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Gyu Man Hwang, Dae Hyeong Lee
  • Publication number: 20160155934
    Abstract: Magnetic random access memory (MRAM) devices, and methods of manufacturing the same, include at least one first magnetic material pattern on a substrate, at least one second magnetic material pattern on the at least one first magnetic material pattern, and at least one tunnel barrier layer pattern between the at least one first magnetic material pattern and the at least one second magnetic material pattern. A width of a top surface of the at least one first magnetic material pattern may be less than a width of a bottom surface of the at least one second magnetic material pattern.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 2, 2016
    Inventors: Kyu-Man HWANG, Shi-Jung KIM, Mi-Lim PARK, Jun-Soo BAE, Seung-Woo LEE
  • Publication number: 20150379260
    Abstract: Disclosed are a one time password generation device and an authentication method. The one time password generation device includes: a reference information generator that generates reference information; a virtual input means generator that generates a virtual input means in which a blank is provided; and a password generator that generates a one time password using an initial value, reference information, and a blank.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Inventors: Young Man HWANG, Sung Min JOO
  • Patent number: 9188607
    Abstract: A substrate and a method for manufacturing the same, and a probe card employing the substrate as a space transformer. The substrate includes: a substrate body; a key forming groove formed in one surface of the substrate body; and an alignment key formed on the key forming groove. The recognition rate of the alignment key formed on the substrate can be increased, resulting in improved accuracy in a micro electro mechanical system (MEMS) process for forming micro probes on the substrate, thereby improving productivity and reliability of the substrate and the probe card including the same.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: November 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Man Hwang, Ji Hwan Shin
  • Patent number: 9083701
    Abstract: Disclosed herein are a method for providing active security authentication, and a terminal and system for supporting the same. The terminal includes a storage unit, a display unit, an input unit and a control unit. The control unit arranges a plurality of keys through an arrangement of random numbers when a security execution condition is satisfied, outputs, to the display unit, a security authentication screen based on a random-number matrix in which at least some keys in key regions adjacent to an item key among the plurality of keys arranged by the arrangement of the random numbers are set to exception keys that a user must not press, and decide that the terminal is used for an illegal use when the exception keys are included in an input information generated through the input unit.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: July 14, 2015
    Inventors: Young Man Hwang, Kyoung Sook Yang
  • Publication number: 20150074795
    Abstract: One-time password (OTP) generation apparatus and method using virtual input means are provided. Reference information generated by a reference information generation unit is compared with identification information. When the reference information is identical to the identification information, a value corresponding to indication information is generated as an OTP.
    Type: Application
    Filed: October 24, 2013
    Publication date: March 12, 2015
    Inventors: Young Man HWANG, Sung-Min JOO
  • Patent number: 8772121
    Abstract: A method of manufacturing a phase change memory device includes forming a lower electrode layer pattern and an insulating interlayer covering the lower electrode layer pattern, forming a first opening in the insulating interlayer to expose the lower electrode layer pattern, forming an oxide layer pattern on the sidewall of the first opening and a lower electrode under the oxide layer pattern by partially removing the oxide layer and the lower electrode layer pattern, forming an insulation layer filling a remaining portion of the first opening, removing the oxide layer pattern by a wet etching process to form a second opening, and forming a phase change material pattern on the lower electrode such that the phase change material pattern fills the second opening.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: July 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-Man Hwang, Jun-Soo Bae, Sung-Un Kwon, Kwang-Ho Park
  • Publication number: 20130141079
    Abstract: Disclosed herein are a substrate and a method for manfuacturing the same, and a probe card employing the substrate as a space transformer, the substrate including: a substrate body; a key forming groove formed in one surface of the substrate body; and an alignment key formed on the key forming groove. According to the present invention, the recognition rate of the alignment key formed on the substrate can be increased, resulting in improved accuracy in a micro electro mecanical system (MEMS) process for forming micro probes on the substrate, thereby improving productivity and reliability of the substrate and the probe card incluing the same.
    Type: Application
    Filed: May 29, 2012
    Publication date: June 6, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Gyu Man HWANG, Ji Hwan Shin
  • Patent number: 8422318
    Abstract: A semiconductor device, including a plurality of control signal generation units each generating a control signal that is enabled when a column enable signal and a row enable signal are enabled, and a plurality of local sense amplifiers each sensing and amplifying data transmitted via a pair of local input/output (I/O) lines and then outputting the amplified data via a pair of global I/O lines, in response to a read or write signal and a corresponding control signal.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Soo-Man Hwang
  • Publication number: 20130047238
    Abstract: Disclosed herein are a method for providing active security authentication, and a terminal and system for supporting the same. The terminal includes a storage unit, a display unit, an input unit and a control unit. The control unit arranges a plurality of keys through an arrangement of random numbers when a security execution condition is satisfied, outputs, to the display unit, a security authentication screen based on a random-number matrix in which at least some keys in key regions adjacent to an item key among the plurality of keys arranged by the arrangement of the random numbers are set to exception keys that a user must not press, and decide that the terminal is used for an illegal use when the exception keys are included in an input information generated through the input unit.
    Type: Application
    Filed: November 8, 2011
    Publication date: February 21, 2013
    Inventors: Young Man Hwang, Kyoung Sook Yang
  • Patent number: 8307546
    Abstract: A method for manufacturing a ceramic elements module. The method includes providing a ceramic elements that has a plurality of lower inserting grooves; mounting an electronic component on a lower surface of the ceramic elements; providing a heat sink that has a first penetrating hole corresponding to the lower inserting groove and a second penetrating hole into which the electronic component is inserted to a lower part of the ceramic elements; coupling the ceramic elements with the heat sink; engaging a fixing member with the lower inserting groove of the ceramic elements by passing through the first penetrating hole of the heat sink; and removing the fixing member.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: November 13, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Man Hwang, Dae Hyeong Lee
  • Publication number: 20120273741
    Abstract: A method of manufacturing a phase change memory device includes forming a lower electrode layer pattern and an insulating interlayer covering the lower electrode layer pattern, forming a first opening in the insulating interlayer to expose the lower electrode layer pattern, forming an oxide layer pattern on the sidewall of the first opening and a lower electrode under the oxide layer pattern by partially removing the oxide layer and the lower electrode layer pattern, forming an insulation layer filling a remaining portion of the first opening, removing the oxide layer pattern by a wet etching process to form a second opening, and forming a phase change material pattern on the lower electrode such that the phase change material pattern fills the second opening.
    Type: Application
    Filed: April 10, 2012
    Publication date: November 1, 2012
    Inventors: Kyu-Man HWANG, Jun-Soo BAE, Sung-Un KWON, Kwang-Ho PARK
  • Publication number: 20120149270
    Abstract: A multiple-bonding material applicable to a transportation vehicle is provided. The multiple-bonding material includes a metal plate and a composite. The composite is bonded to one surface of the metal plate, and includes a reinforcement material and a resin composition to bond the reinforcement material to the metal plate, wherein the reinforcement material is formed as a woven or non-woven fabric and disposed on the surface of the metal plate. Accordingly, the multiple-bonding material has improved rigidity and advantage in lighting of the vehicle, and can enhance impact and sound absorption and damping performance.
    Type: Application
    Filed: November 28, 2011
    Publication date: June 14, 2012
    Inventors: Won-Ho CHOI, Jong-Dock Seo, Byoung-Rae Yu, Jin-Man Hwang
  • Patent number: 8183473
    Abstract: Disclosed is a power package for an electrical device of an Electronic Control Unit (ECU) in an Electric Power Steering (EPS) system, the power package including: a housing which is formed with an upper part and a lower part and is formed to be in a two-step structure where substrate layers are provided on each of the upper and lower parts; a Printed Circuit Board (PCB) layer which is provided on the lower part of the housing and has a path line formed thereon to flow a current; and an LTCC layer which is provided on the upper part of the housing, is connected to the PCB layer through wire-bonding, and is formed of a Low Temperature Co-fired Ceramics. The power package for an electrical device can expand areas of the PCB and LTCC layers, thereby enhancing freedom degree of design of the PCB and LTCC layers and reducing a size of the entire case.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Man Hwang, Dae Hyeong Lee, Bong Gyun Kim
  • Patent number: 8171378
    Abstract: A flash memory system includes a flash memory for storing input data, and a memory controller controlling the flash memory, wherein the memory controller generates a first error correction code corresponding to the input data, and encrypts the first error correction code, and the flash memory includes a main area for storing the input data and a spare area for storing the encrypted first error correction code.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: May 1, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Up Choi, Yun-Tae Lee, Sung-Man Hwang
  • Publication number: 20110220858
    Abstract: A semiconductor device and a method of manufacturing the same. The semiconductor device may include a lower electrode having a hollow cylindrical shape of which an upper portion is open, the lower electrode being disposed on a substrate, an insulating structure wrapping the lower electrode and including a nitride, a variable resistance pattern electrically connected to the lower electrode, and an upper electrode electrically connected to the variable resistance pattern.
    Type: Application
    Filed: March 11, 2011
    Publication date: September 15, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyu-Man HWANG, Junsoo Bae, Hwang-Ho Park
  • Publication number: 20110181314
    Abstract: Disclosed herein are a member for adjusting horizontality and a probe card with the same. The member for adjusting horizontality according to the present invention horizontally couples a micro probe head to a probe substrate with an adhesive layer therebetween, and the member for adjusting horizontality which is coupled to the micro probe head does not have an edge of the coupling portion and an edge of the adhesive layer. Therefore, according to the member for adjusting horizontality and the probe card with the same of the present invention, it is possible to prevent the coupling portions of the micro probe head from being broken, by reducing stress applied to the micro probe head during the process of horizontally coupling the micro probe head to the probe substrate.
    Type: Application
    Filed: August 19, 2010
    Publication date: July 28, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Gyu Man Hwang, Ji Hwan Shin, Yong Seok Choi
  • Publication number: 20110156740
    Abstract: There is provided a probe card. A probe card according to an aspect of the invention may include: a printed circuit board; a horizontal regulator passing through the printed circuit board and having an insertion portion having a horizontal regulation bolt and an insertion portion having a curved portion provided on an end portion of the horizontal regulation bolt; a probe substrate electrically connected to the printed circuit board; and a connection member mounted on the probe circuit, engaged with the horizontal regulation portion, and having an insertion recess therein so that the insertion portion is rotated within the insertion recess.
    Type: Application
    Filed: September 13, 2010
    Publication date: June 30, 2011
    Inventors: Gyu Man Hwang, Ji Hwan Shin, Yong Seok Choi