Patents by Inventor Yi-Ming Chang

Yi-Ming 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: 20190254173
    Abstract: A circuit board assembly inspection method includes the following steps: measuring a geometrical characteristic value of a solder layer before soldering an electronic component to a circuit board and comparing the geometric characteristic value with a predetermined value and defining the grad of the solder layer according to a comparing result of the comparing step and performing a defective product process to the circuit board having an extremely bad solder layer, measuring a quality characteristic value of a solder joint layer after soldering the electronic component to the circuit board and comparing the quality characteristic value with a predetermined quality parameter value and then defining the grade of the solder joint layer according to a comparing result of the comparing step, manually inspecting the circuit board assembly having both an medium-grade solder layer a the poor solder joint layer.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 15, 2019
    Inventors: Yi-Ming CHANG, Shih-Nan HSIEH
  • Publication number: 20190133479
    Abstract: A wearable device and respiration sensing module are provided. The wearable device includes a first respiration sensing module and a second respiration sensing module. The first respiration sensing module is configured to sensing respiration of a user to obtain a first respiration information. The second respiration sensing module is configured to sensing respiration of the user to obtain a second respiration information. The second respiration sensing module includes a substrate, a first electrode, a second electrode and a stretchable conductive element. The first electrode and the second electrode are disposed on a first surface of the substrate. The stretchable conductive element is physically and electrically connected between the first electrode and the second electrode. The respiration of the user is judged according to the first respiration information and the second respiration information.
    Type: Application
    Filed: December 12, 2017
    Publication date: May 9, 2019
    Applicant: Industrial Technology Research Institute
    Inventors: Yi-Ming Chang, Chih-Wei Chen
  • Patent number: 10109663
    Abstract: A chip package including a substrate is provided. The substrate has a first surface and a second surface opposite thereto. The substrate includes a sensing region. A cover plate is on the first surface and covers the sensing region. A shielding layer covers a sidewall of the cover plate and extends towards the second surface. The shielding layer has an inner surface adjacent to the cover plate and has an outer surface away from the cover plate. The length of the outer surface extending towards the second surface is less than that of the inner surface extending towards the second surface, and is not less than that of the sidewall of the cover plate. A method of forming the chip package is also provided.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: October 23, 2018
    Assignee: XINTEC INC.
    Inventors: Yu-Lung Huang, Tsang-Yu Liu, Yi-Ming Chang, Hsin Kuan
  • Patent number: 10050006
    Abstract: A method for forming a chip package is provided. The method includes providing a first substrate and a second substrate. The first substrate is attached onto the second substrate by an adhesive layer. A first opening is formed to penetrate the first substrate and the adhesive layer and separate the first substrate and the adhesive layer into portions. A chip package formed by the method is also provided.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: August 14, 2018
    Assignee: XINTEC INC.
    Inventors: Chia-Lun Shen, Yi-Ming Chang, Tsang-Yu Liu, Yen-Shih Ho
  • Patent number: 9947716
    Abstract: A chip package includes a chip, an adhesive layer, and a dam element. The chip has a sensing area, a first surface, and a second surface that is opposite to the first surface. The sensing area is located on the first surface. The adhesive layer covers the first surface of the chip. The dam element is located on the adhesive layer and surrounds the sensing area. The thickness of the dam element is in a range from 20 ?m to 750 ?m, and the wall surface of the dam element surrounding the sensing area is a rough surface.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: April 17, 2018
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Hsiao-Lan Yeh, Chia-Sheng Lin, Yi-Ming Chang, Po-Han Lee, Hui-Hsien Wu, Jyun-Liang Wu, Shu-Ming Chang, Yu-Lung Huang, Chien-Min Lin
  • Patent number: 9881959
    Abstract: A method of manufacturing chip package includes providing a semiconductor substrate having at least a photo diode and an interconnection layer. The interconnection layer is disposed on an upper surface of the semiconductor substrate and above the photo diode and electrically connected to the photo diode. At least a redistribution circuit is formed on the interconnection layer. The redistribution circuit is electrically connected to the interconnection layer. A packaging layer is formed on the redistribution circuit. Subsequently, a carrier substrate is attached to the packaging layer. A color filter is formed on a lower surface of the semiconductor substrate. A micro-lens module is formed under the color filter. The carrier substrate is removed.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: January 30, 2018
    Assignee: XINTEC INC.
    Inventors: Po-Shen Lin, Chia-Sheng Lin, Yi-Ming Chang
  • Patent number: 9875912
    Abstract: A chip package includes a chip, a first adhesive layer, a second adhesive layer, and a protection cap. The chip has a sensing area, a first surface, a second surface that is opposite to the first surface, and a side surface adjacent to the first and second surfaces. The sensing area is located on the first surface. The first adhesive layer covers the first surface of the chip. The second adhesive layer is located on the first adhesive layer, such that the first adhesive layer is between the first surface and the second adhesive layer. The protection cap has a bottom board and a sidewall that surrounds the bottom board. The bottom board covers the second adhesive layer, and the sidewall covers the side surface of the chip.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: January 23, 2018
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Hsiao-Lan Yeh, Chia-Sheng Lin, Yi-Ming Chang, Po-Han Lee, Hui-Hsien Wu, Jyun-Liang Wu
  • Publication number: 20170213805
    Abstract: A method for forming a chip package is provided. The method includes providing a first substrate and a second substrate. The first substrate is attached onto the second substrate by an adhesive layer. A first opening is formed to penetrate the first substrate and the adhesive layer and separate the first substrate and the adhesive layer into portions. A chip package formed by the method is also provided.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 27, 2017
    Inventors: Chia-Lun SHEN, Yi-Ming CHANG, Tsang-Yu LIU, Yen-Shih HO
  • Publication number: 20170213802
    Abstract: A manufacturing method of a semiconductor structure includes the following steps. A first isolation layer is formed on a first surface of a wafer substrate. A conductive pad is formed on the first isolation layer. A hollow region through the first surface and a second surface of the wafer substrate is formed, such that the first isolation layer is exposed through the hollow region. A laser etching treatment is performed on the first isolation layer that is exposed through the hollow region, such that a first opening is formed in the first isolation layer, and a concave portion exposed through the first opening is formed in the conductive pad.
    Type: Application
    Filed: April 6, 2017
    Publication date: July 27, 2017
    Inventors: Geng-Peng PAN, Yi-Ming CHANG, Chia-Sheng LIN
  • Patent number: 9711469
    Abstract: A manufacturing method of a semiconductor structure includes the following steps. A first isolation layer is formed on a first surface of a wafer substrate. A conductive pad is formed on the first isolation layer. A hollow region through the first surface and a second surface of the wafer substrate is formed, such that the first isolation layer is exposed through the hollow region. A laser etching treatment is performed on the first isolation layer that is exposed through the hollow region, such that a first opening is formed in the first isolation layer, and a concave portion exposed through the first opening is formed in the conductive pad.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: July 18, 2017
    Assignee: XINTEC INC.
    Inventors: Geng-Peng Pan, Yi-Ming Chang, Chia-Sheng Lin
  • Patent number: 9685354
    Abstract: An embodiment of this invention provides a separation apparatus for separating a stacked article, such as a semiconductor chip package with sensing functions, comprising a substrate and a cap layer formed on the substrate. The separation apparatus comprises a vacuum nozzle head including a suction pad having a top surface and a bottom surface, a through hole penetrating the top surface and the bottom surface of the suction pad, and a hollow vacuum pipe connecting the through hole to a vacuum pump; a stage positing under the vacuum nozzle head and substantially aligning with the suction pad; a control means coupling to the vacuum nozzle head to lift upward or lower down the vacuum nozzle head; and a first cutter comprising a first cutting body and a first knife connecting to the first cutting body.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: June 20, 2017
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Tsang-Yu Liu, Chia-Sheng Lin, Yi-Ming Chang
  • Publication number: 20170148844
    Abstract: A chip package includes a chip, an adhesive layer, and a dam element. The chip has a sensing area, a first surface, and a second surface that is opposite to the first surface. The sensing area is located on the first surface. The adhesive layer covers the first surface of the chip. The dam element is located on the adhesive layer and surrounds the sensing area. The thickness of the dam element is in a range from 20 ?m to 750 ?m, and the wall surface of the dam element surrounding the sensing area is a rough surface.
    Type: Application
    Filed: November 22, 2016
    Publication date: May 25, 2017
    Inventors: Yen-Shih HO, Hsiao-Lan YEH, Chia-Sheng LIN, Yi-Ming CHANG, Po-Han LEE, Hui-Hsien WU, Jyun-Liang WU, Shu-Ming CHANG, Yu-Lung HUANG, Chien-Min LIN
  • Publication number: 20170148694
    Abstract: A chip package includes a chip, a first adhesive layer, a second adhesive layer, and a protection cap. The chip has a sensing area, a first surface, a second surface that is opposite to the first surface, and a side surface adjacent to the first and second surfaces. The sensing area is located on the first surface. The first adhesive layer covers the first surface of the chip. The second adhesive layer is located on the first adhesive layer, such that the first adhesive layer is between the first surface and the second adhesive layer. The protection cap has a bottom board and a sidewall that surrounds the bottom board. The bottom board covers the second adhesive layer, and the sidewall covers the side surface of the chip.
    Type: Application
    Filed: November 21, 2016
    Publication date: May 25, 2017
    Inventors: Yen-Shih HO, Hsiao-Lan YEH, Chia-Sheng LIN, Yi-Ming CHANG, Po-Han LEE, Hui-Hsien WU, Jyun-Liang WU
  • Patent number: 9653422
    Abstract: A method for forming a chip package is provided. The method includes providing a first substrate and a second substrate. The first substrate is attached onto the second substrate by an adhesive layer. A first opening is formed to penetrate the first substrate and the adhesive layer and separate the first substrate and the adhesive layer into portions. A chip package formed by the method is also provided.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: May 16, 2017
    Assignee: XINTEC INC.
    Inventors: Chia-Lun Shen, Yi-Ming Chang, Tsang-Yu Liu, Yen-Shih Ho
  • Patent number: 9640488
    Abstract: An embodiment of the invention provides a chip package which includes: a semiconductor substrate having a first surface and a second surface; a first recess extending from the first surface towards the second surface; a second recess extending from a bottom of the first recess towards the second surface, wherein a sidewall and the bottom of the first recess and a second sidewall and a second bottom of the second recess together form an exterior side surface of the semiconductor substrate; a wire layer disposed over the first surface and extending into the first recess and/or the second recess; an insulating layer positioned between the wire layer and the semiconductor substrate; and a metal light shielding layer disposed over the first surface and having at least one hole, wherein a shape of the at least one hole is a quadrangle.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: May 2, 2017
    Assignee: XINTEC INC.
    Inventors: Yi-Min Lin, Yi-Ming Chang, Shu-Ming Chang, Yen-Shih Ho, Tsang-Yu Liu, Chia-Ming Cheng
  • Patent number: 9611143
    Abstract: A method for forming a chip package is provided. The method includes providing a substrate and a capping layer, wherein the substrate has a sensing device therein adjacent to a surface of the substrate. The capping layer is attached to the surface of the substrate by an adhesive layer, wherein the adhesive layer covers the sensing device. A dicing process is performed on the substrate, the adhesive layer, and the capping layer along a direction to form individual chip packages.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: April 4, 2017
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Tsang-Yu Liu, Chia-Sheng Lin, Yi-Ming Chang
  • Publication number: 20170077158
    Abstract: A chip package including a substrate is provided. The substrate has a first surface and a second surface opposite thereto. The substrate includes a sensing region. A cover plate is on the first surface and covers the sensing region. A shielding layer covers a sidewall of the cover plate and extends towards the second surface. The shielding layer has an inner surface adjacent to the cover plate and has an outer surface away from the cover plate. The length of the outer surface extending towards the second surface is less than that of the inner surface extending towards the second surface, and is not less than that of the sidewall of the cover plate. A method of forming the chip package is also provided.
    Type: Application
    Filed: September 7, 2016
    Publication date: March 16, 2017
    Inventors: Yu-Lung HUANG, Tsang-Yu LIU, Yi-Ming CHANG, Hsin KUAN
  • Publication number: 20170012081
    Abstract: A manufacturing method of a chip package includes the following steps. A patterned solder paste layer is printed on a patterned conductive layer of a wafer. Plural solder balls are disposed on the solder paste layer that is on a first portion of the conductive layer. A reflow process is performed on the solder balls and the solder paste layer. A flux layer converted from a surface of the solder paste layer is cleaned.
    Type: Application
    Filed: June 13, 2016
    Publication date: January 12, 2017
    Inventors: Chia-Lun SHEN, Yi-Ming CHANG, Hsiao-Lan YEH, Yen-Shih HO
  • Publication number: 20160293876
    Abstract: An organic light emitting device (OLED) is provided, including a first organic electroluminescent cell, a second organic electroluminescent cell, a charge generation layer, disposed between the first and second organic electroluminescent cells, a first electrode and a second electrode formed at the first and second organic electroluminescent cells. The first organic electroluminescent cell comprises a fluorescent light emitting layer emitting a first light with wavelength substantially ranged from 430 nm-490 nm and a phosphorescent light emitting layer emitting a second light with wavelength substantially ranged from 602 nm-615 nm. The second organic electroluminescent cell comprises at least one light emitting layer emitting a third light with wavelength substantially ranged from 520 nm-550 nm. The color rendering index R9 formed by spectra combination from the first and second organic electroluminescent cells is larger than 0.
    Type: Application
    Filed: June 16, 2016
    Publication date: October 6, 2016
    Inventors: Chao-Feng Sung, Chih-Ming Lai, Mei-Ju Lee, Yi-Ming Chang, Chen-Kun Chen
  • Patent number: 9426894
    Abstract: A wiring structure for improving a crown-like defect and a fabrication method thereof are provided. The method includes the following steps. A substrate, on which a seed layer and a patterned photoresist layer with an opening are formed, is provided. A copper layer, having a bottom covering the seed layer, is formed in the opening. A barrier layer covering at least one top portion of the copper layer is formed on the copper layer. An oxidation potential of the barrier layer is greater than that of the copper layer. The patterned photoresist layer is removed to perform an etching process, wherein the copper layer and a portion of the seed layer exposed are etched to form a wiring layer. An immersion process is performed to form an anti-oxidation layer comprehensively on exposed surfaces of the barrier layer and the wiring layer.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: August 23, 2016
    Assignee: XINTEC INC.
    Inventors: Yi-Ming Chang, I-Min Lin, Po-Shen Lin