Patents by Inventor Ming-Hui Chang

Ming-Hui Chang 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).

  • Publication number: 20160097662
    Abstract: An electromagnetic flowmeter with voltage-amplitude conductivity-sensing function for a liquid in a tube includes a first microprocessor, a transducer, flow-sensing device, an exciting-current generating device, a voltage-amplitude conductivity-sensing device, and a switch. The transducer includes coils and sensing electrodes. The switch is electrically connected to the first microprocessor and the sensing electrode. The switch is selectively connected to the flow-sensing device or the voltage-amplitude conductivity-sensing device according to the signals sent from the microprocessor. The microprocessor makes the exciting-current generating device to generate an exciting current when the switch is connected to the flow-sensing device. The microprocessor makes the exciting-current generating device to stop generating exciting current and computing conductivity of liquid when the switch is electrically connected to the voltage-amplitude conductivity-sensing device.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 7, 2016
    Inventors: Ming-Hui CHANG, Chi-Chih CHOU, Chun-Ju CHEN, Chun-Hung CHEN, Yi-Liang HOU
  • Publication number: 20160086843
    Abstract: Shallow trench isolation structures in a semiconductor device and a method for manufacturing the same. The method includes steps hereinafter. A substrate is provided with a pad oxide layer and a first patterned photoresist layer thereon. A first trench is formed in the substrate corresponding to the first patterned photoresist layer. A first dielectric layer is deposited in the first trench and on the substrate. A second patterned photoresist layer is provided to form an opening in the first dielectric layer and a second trench in the substrate corresponding to the second patterned photoresist layer. A second dielectric layer is deposited to cover the first trench and the second trench in the substrate and the first dielectric layer on the substrate. The second dielectric layer is removed by chemical-mechanical polishing until the first dielectric layer is exposed. The first dielectric layer on the substrate is selectively removed.
    Type: Application
    Filed: December 2, 2015
    Publication date: March 24, 2016
    Applicant: UNITED MICROELECTRONICS CORPORATION
    Inventors: Ming-Shing Chen, Yu-Ting Wang, Ming-Hui Chang
  • Patent number: 9285256
    Abstract: An electromagnetic flowmeter with variable-frequency conductivity-sensing function for a liquid in a tube includes a first microprocessor, a transducer, flow-sensing device, an exciting-current generating device, a variable-frequency conductivity measuring device, and a switch. The transducer includes coils and sensing electrodes. The switch is electrically connected to the first microprocessor and the sensing electrodes. The switch is selectively connected to the flow-sensing device or the variable-frequency conductivity measuring device according to the signals sent from the first microprocessor. The microprocessor makes the exciting-current generating device to generate an exciting current when the switch is connected to the flow-sensing device. The first microprocessor makes the exciting-current generating device stop to generate exciting current and computes conductivity of liquid when the switch is electrically connected to the variable-frequency conductivity-sensing device.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: March 15, 2016
    Assignee: Finetek Co., Ltd.
    Inventors: Ming-Hui Chang, Chi-Chih Chou, Chun-Ju Chen, Yi-Liang Hou
  • Publication number: 20160027683
    Abstract: Shallow trench isolation structures in a semiconductor device and a method for manufacturing the same. The method include steps hereinafter. A substrate is provided with a pad oxide layer and a first patterned photoresist layer thereon. A first trench is formed in the substrate corresponding to the first patterned photoresist layer. A first dielectric layer is deposited in the first trench and on the substrate. A second patterned photoresist layer is provided to form an opening in the first dielectric layer and a second trench in the substrate corresponding to the second patterned photoresist layer. A second dielectric layer is deposited covering the first trench and the second trench in the substrate and the first dielectric layer on the substrate. The second dielectric layer is removing by chemical-mechanical polishing until the first dielectric layer is exposed. The first dielectric layer on the substrate selectively is removed.
    Type: Application
    Filed: August 12, 2014
    Publication date: January 28, 2016
    Applicant: UNITED MICROELECTRONICS CORPORATION
    Inventors: Ming-Shing Chen, Yu-Ting Wang, Ming-Hui Chang
  • Patent number: 9236289
    Abstract: Shallow trench isolation structures in a semiconductor device and a method for manufacturing the same. The method include steps hereinafter. A substrate is provided with a pad oxide layer and a first patterned photoresist layer thereon. A first trench is formed in the substrate corresponding to the first patterned photoresist layer. A first dielectric layer is deposited in the first trench and on the substrate. A second patterned photoresist layer is provided to form an opening in the first dielectric layer and a second trench in the substrate corresponding to the second patterned photoresist layer. A second dielectric layer is deposited covering the first trench and the second trench in the substrate and the first dielectric layer on the substrate. The second dielectric layer is removing by chemical-mechanical polishing until the first dielectric layer is exposed. The first dielectric layer on the substrate selectively is removed.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: January 12, 2016
    Assignee: UNITED MICROELECTRONICS CORPORATION
    Inventors: Ming-Shing Chen, Yu-Ting Wang, Ming-Hui Chang
  • Publication number: 20150236150
    Abstract: Provided is a semiconductor device including a P-type substrate, a P-type first well region, an N-type second well region, a gate, N-type source and drain regions, a dummy gate and an N-type deep well region. The first well region is in the substrate. The second well region is in the substrate proximate to the first well region. The gate is on the substrate and covers a portion of the first well region and a portion of the second well region. The source region is in the first well region at one side of the gate. The drain region is in the second well region at another side of the gate. The dummy gate is on the substrate between the gate and the drain region. The deep well region is in the substrate and surrounds the first and second well regions. An operation method of the semiconductor device is further provided.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 20, 2015
    Applicant: United Microelectronics Corp.
    Inventors: Ming-Shing Chen, Ming-Hui Chang, Wei-Ting Wu, Ying-Chou Lai, Horng-Nan Chern, Chorng-Lih Young, Chin-Sheng Yang
  • Publication number: 20150123197
    Abstract: A lateral-diffused metal oxide semiconductor device including a substrate, a second deep well, a gate, a source, a drain and a first dopant region is provided. The substrate includes a first deep well having a first conductive type. The second deep well having a second conductive type is disposed in the first deep well. The gate is disposed on the substrate and the boundary of the first and the second deep well. The source and the drain having a second conductive type are disposed beside the gate and in the first deep well and the second deep well respectively. The first dopant region having a first conductive type is disposed in the second deep well, wherein the first dopant region is separated from the drain. Moreover, a method for fabricating said lateral-diffused metal oxide semiconductor device is also provided.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 7, 2015
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ming-Shing Chen, Wei-Ting Wu, Ming-Hui Chang, Chao-Chun Ning
  • Patent number: 8856716
    Abstract: An automatic placement system of IC design and a method thereof is provided. The automatic placement system of IC design concerns the chip area utility ratio, the input-output relationship between components, the power consumption produced from thermal noise of circuits and the MOS-type transformation ratio, and performs the genetic algorithm for providing an optimal solution to the placement problem. Herewith the effect of optimizing the placement according to the data of components and parameter is achieved.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: October 7, 2014
    Assignee: National Taiwan University
    Inventors: Han-Pang Huang, Ming-Hui Chang, Che-Hsin Cheng
  • Publication number: 20110239817
    Abstract: The present invention provides a detachable mechanism of bicycle pedal and locking shoe, wherein a magnetic absorber is set on the bicycle pedal in collaboration with an adsorbed unit on the bottom of the locking shoe, enabling easy coupling or disengagement; meanwhile, the bottom of the locking shoe is provided with a -shaped groove mating with the frame of the bicycle pedal, so that the locking shoe can be coupled with the bicycle pedal more stably and robustly; moreover, an oblique surface is formed on the same lateral wall of two channels of the groove, such that the locking shoe can be more easily mated with the bicycle pedal in an oblique angle; furthermore, marks are printed on the inner edge of the locking shoe corresponding to two channels of -shaped groove, enabling rapid coupling by the beginners.
    Type: Application
    Filed: March 30, 2010
    Publication date: October 6, 2011
    Inventor: Ming-Hui CHANG
  • Publication number: 20110228644
    Abstract: The present invention relates to an improved detachable clock and watch gear assembly structure, which divides the gear assembly into detachable and independent first and second devices; the first device comprises: main and pinion gear representing hour, minute and second hands, spiral spring wheel for storing energy and spiral spring for ringing; the second device comprises: time-controlled precision escapement wheel, pallet, balance spring and balance wheel; of which, the first device can clamp securely the main and pinion gears as well as spiral spring by using upper/lower plywood along with the fixed leg, so can the second device clamp securely the escapement wheel, pallet, balance spring and balance wheel in the same way; an fixed arm is extended from the upper/lower plywood at one side of the first device to clamp the second device and fix it by bolt for meshing and interlocking purpose; with this design, the first device can be checked or replaced in common repair or replacement process, helping to avo
    Type: Application
    Filed: March 22, 2010
    Publication date: September 22, 2011
    Inventor: Ming Hui CHANG
  • Publication number: 20100124532
    Abstract: A method for manufacturing the copper oxide nano-particles is provided. The method includes the steps of providing a copper-contained salt solution, providing a alkaline solution, mixing the copper-contained salt solution and the alkaline solution by using a high-gravity force provided by a high-gravity device to generate a slurry, removing the solvent in the slurry to obtain a precursor of the copper oxide nano-particles, and calcining the precursor to produce the copper oxide nano-particles.
    Type: Application
    Filed: November 5, 2009
    Publication date: May 20, 2010
    Applicant: National Taiwan University
    Inventors: Yi-Der Tai, Ming-Hui Chang, Chia-Te Tai
  • Patent number: 7615096
    Abstract: A method for manufacturing a metal nanoparticle is provided. The method includes steps of: a) providing a metal salt solution, b) providing a reducing agent, c) providing a protecting agent, d) providing an alkaline solution, e) mixing the salt solution, the reducing agent, the protecting agent and the alkaline solution to form a slurry within a high-gravity field, and f) separating the metal nanoparticle from the slurry.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: November 10, 2009
    Assignee: National Taiwan University
    Inventors: Yi-Der Tai, Yao-Hsuan Wang, Ming-Hui Chang
  • Publication number: 20090266202
    Abstract: A method for manufacturing a metal nanoparticle is provided. The method includes steps of: a) providing a metal salt solution, b) providing a reducing agent, c) providing a protecting agent, d) providing an alkaline solution, e) mixing the salt solution, the reducing agent, the protecting agent and the alkaline solution to form a slurry within a high-gravity field, and f) separating the metal nanoparticle from the slurry.
    Type: Application
    Filed: January 11, 2007
    Publication date: October 29, 2009
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Yi-Der Tai, Yao-Hsuan Wang, Ming-Hui Chang
  • Patent number: 7163110
    Abstract: An adjustable cassette (1) for accommodating substrates includes a frame (10), a pair of supporting plate (20) with a plurality of retaining members (208) facing each other, and an adjusting means for joining of the supporting plates to the frames and thereby forming the cassette. At least one supporting plate can slide away from or close to another supporting plate and be fixed by means of the adjusting means.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: January 16, 2007
    Assignee: Foxsemicon Integrated Technology, Inc.
    Inventors: Chun-Kai Huang, Ming-Hui Chang
  • Patent number: 7086540
    Abstract: A storage cassette (1) for accommodating substrates includes a box-shaped case (10) having a space and defining an entrance for inserting the substrates into the space; and a pair of stopping mechanisms (60) each including a top first locating mechanism (30), a bottom second locating mechanism (50) and a stopper (40) engaged therebetween. The stopping mechanisms are respectively located at opposite sides of the entrance. Each locating mechanism defines a first locating portion, a second locating portion closer to a corresponding side of the opposite sides than the first locating portion, and a connecting means portion interconnecting the first and second locating means. In a first position, the stopper is engaged in the first locating portion, and substrates accommodated in the cassette cannot be displaced; in a second position, the stopper is engaged in the second locating portion, and the substrates can be freely slid out from the space.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: August 8, 2006
    Assignee: Foxsemicon Integrated Technology, Inc.
    Inventors: Chun-Kai Huang, Ming-Hui Chang
  • Patent number: 7051887
    Abstract: A supporting column (30) of the present invention includes a main body (31) and a stiff shaft (33). The main body (31) includes a half-sleeve shaft (319) and a plurality of parallel wing panels (317) encircling portions of the half-sleeve shaft. The main body has a C-shaped cross section and defines an axial bore along an axis direction. The wing panels are formed perpendicular to the half-sleeve shaft and each wing panel provides a protrusion (318) in the middle of the wing panel. A cassette (40) incorporating the supporting columns is used to accommodate a plurality of substrates.
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: May 30, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chun Kai Huang, Ming-Hui Chang
  • Publication number: 20040134831
    Abstract: An adjustable cassette (1) for accommodating substrates includes a frame (10), a pair of supporting plate (20) with a plurality of retaining members (208) facing each other, and an adjusting means for joining of the supporting plates to the frames and thereby forming the cassette. At least one supporting plate can slide away from or close to another supporting plate and be fixed by means of the adjusting means.
    Type: Application
    Filed: November 12, 2003
    Publication date: July 15, 2004
    Applicant: HON HAI PRECISION IND. CO., LTD
    Inventors: Chun-Kai Huang, Ming-Hui Chang
  • Publication number: 20040108284
    Abstract: A storage cassette (1) for accommodating substrates includes: a box-shaped case (10) having a space for retaining substrates and defining an entrance for inserting the substrates into the space; and a pair of stopping mechanisms (60) each including a top first locating mechanism (30), a bottom second locating mechanism (50) and a stopper (40) engaged therebetween. The stopping mechanisms are located at opposite sides of the entrance. Each locating mechanism defines a first locating means, a second locating means closer to a corresponding side of the case than the first locating means, and a connecting means interconnecting the first and second locating means. In a first position, the stopper is engaged in the first locating means, and substrates accommodated in the cassette cannot be displaced; in a second position, the stopper is engaged in the second locating means, and the substrates can be freely slid out from the space.
    Type: Application
    Filed: November 12, 2003
    Publication date: June 10, 2004
    Applicant: HON HAI PRECISION IND. CO., LTD
    Inventors: Chun-Kai Huang, Ming-Hui Chang
  • Publication number: 20040069727
    Abstract: This invention relates to a cassette (1) for supporting substrates and includes a pair of frames (2) opposite each other, at least two supporting bodies (3) arranged opposite each other between the frames, and at least a stopper rod (4) arranged between the frames. The frames, the supporting bodies and the stopper rods define a space for accommodating the substrates, and each stopper rod includes a metal rod (40) and a resin layer (42). The resin layer forms a coating on the metal rod, forming a unit.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 15, 2004
    Inventors: Chun-Kai Huang, Ming-Hui Chang
  • Publication number: 20040069728
    Abstract: The present invention relates to a supporting plate (10) and a cassette (20) for accommodating substrates using the same. The supporting plate includes a main body (11) and at least two stiff shafts (13). The main body includes a plurality of wing panels (15) extending from the main body and at least two through grooves (18). A space interval (17) is defined between neighboring wing panels, each wing panel comprises a plurality of protrusions (151) extending from the free side of each wing panel, and the wing panels slope down. The two stiff shafts being received in the two through grooves.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 15, 2004
    Inventors: Chun-Kai Huang, Ming-Hui Chang