Patents by Inventor Chia-Ming Cheng

Chia-Ming Cheng 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: 9373597
    Abstract: The present invention provides a chip package that includes a semiconductor chip, at least one recess, a plurality of first redistribution metal lines, and at least one protrusion. The semiconductor chip has a plurality of conductive pads disposed on an upper surface of the semiconductor chip. The recess extends from the upper surface to a lower surface of the semiconductor chip, and is arranged on the side of the semiconductor chip. The first redistribution metal lines are disposed on the upper surface, electrically connected to the conductive pad individually, and extended into the recesses separately. The protrusion is disposed in the recess and located between the adjacent first redistribution metal lines.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: June 21, 2016
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Chia-Ming Cheng, Shu-Ming Chang
  • Patent number: 9349710
    Abstract: A method for forming a chip package is provided. A first substrate is provided. A second substrate is attached on the first substrate, wherein the second substrate has a plurality of rectangular chip regions separated by a scribed-line region. A portion of the second substrate corresponding to the scribed-line region is removed to form a plurality of chips on the first substrate, wherein at least one bridge portion is formed between adjacent chips. A chip package formed by the method is also provided.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: May 24, 2016
    Assignee: XINTEC INC.
    Inventors: Chien-Hui Chen, Tsang-Yu Liu, Chun-Wei Chang, Chia-Ming Cheng
  • Publication number: 20160141254
    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: Application
    Filed: January 27, 2016
    Publication date: May 19, 2016
    Inventors: Yi-Min LIN, Yi-Ming CHANG, Shu-Ming CHANG, Yen-Shih HO, Tsang-Yu LIU, Chia-Ming CHENG
  • Patent number: 9317958
    Abstract: An auto-convergence system includes a disparity unit, a convergence unit and an active learning unit. The disparity unit performs a disparity analysis upon an input stereo image pair, and accordingly obtains a disparity distribution of the input stereo image pair. The convergence unit adjusts the input stereo image pair adaptively according to the disparity distribution and a learned convergence range, and accordingly generates an output stereo image pair for playback. The active learning unit actively learns a convergence range during playback of stereo image pairs, and accordingly determines the learned convergence range.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: April 19, 2016
    Assignee: MEDIATEK INC.
    Inventor: Chia-Ming Cheng
  • Patent number: 9318461
    Abstract: A wafer level array of chips is provided. The wafer level array of chips comprises a semiconductor wafer, and a least one extending-line protection. The semiconductor wafer has at least two chips, which are arranged adjacent to each other, and a carrier layer. Each chip has an upper surface and a lower surface, and comprises at least one device. The device is disposed upon the upper surface, covered by the carrier layer. The extending-line protection is disposed under the carrier layer and between those two chips. The thickness of the extending-line protection is less than that of the chip. Wherein the extending-line protection has at least one extending-line therein. In addition, a chip package fabricated by the wafer level array of chips, and a method thereof are also provided.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: April 19, 2016
    Assignee: XINTEC INC.
    Inventors: Chun-Wei Chang, Kuei-Wei Chen, Chia-Ming Cheng, Chia-Sheng Lin, Chien-Hui Chen, Tsang-Yu Liu
  • Patent number: 9275958
    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: March 12, 2014
    Date of Patent: March 1, 2016
    Assignee: XINTEC INC.
    Inventors: Yi-Min Lin, Yi-Ming Chang, Shu-Ming Chang, Yen-Shih Ho, Tsang-Yu Liu, Chia-Ming Cheng
  • Patent number: 9177862
    Abstract: A fabrication method of a semiconductor stack structure mainly includes: singulating a wafer of a first specification into a plurality of chips; rearranging the chips into a second specification of a wafer so as to stack the chips on a substrate of the second specification through a plurality of blocks; forming a redistribution layer on the chips; and performing a cutting process to obtain a plurality of semiconductor stack structures. Therefore, the present invention allows a wafer of a new specification to be processed by using conventional equipment without the need of new factory buildings or equipment. As such, chip packages can be timely supplied to meet the replacement speed of electronic products.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: November 3, 2015
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Hsin Kuan, Long-Sheng Yeou, Tsang-Yu Liu, Chia-Ming Cheng
  • Patent number: 9165890
    Abstract: An embodiment of the invention provides a chip package which includes: a semiconductor substrate having a first surface and an opposite second surface; a device region disposed in the substrate; a dielectric layer located on the first surface of the semiconductor substrate; a plurality of conducting pads located in the dielectric layer and electrically connected to the device region; at least one alignment mark disposed in the semiconductor substrate and extending from the second surface towards the first surface.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: October 20, 2015
    Assignee: XINTEC INC.
    Inventors: Yen-Shih Ho, Shih-Chin Chen, Yi-Ming Chang, Chien-Hui Chen, Chia-Ming Cheng, Wei-Luen Suen, Chen-Han Chiang
  • Publication number: 20150270236
    Abstract: The present invention provides a chip package that includes a semiconductor chip, at least one recess, a plurality of first redistribution metal lines, and at least one protrusion. The semiconductor chip has a plurality of conductive pads disposed on an upper surface of the semiconductor chip. The recess extends from the upper surface to a lower surface of the semiconductor chip, and is arranged on the side of the semiconductor chip. The first redistribution metal lines are disposed on the upper surface, electrically connected to the conductive pad individually, and extended into the recesses separately. The protrusion is disposed in the recess and located between the adjacent first redistribution metal lines.
    Type: Application
    Filed: March 18, 2015
    Publication date: September 24, 2015
    Inventors: Yen-Shih HO, Chia-Ming CHENG, Shu-Ming CHANG
  • Publication number: 20150255499
    Abstract: A chip package includes a semiconductor chip, insulation layer, redistribution layer and packaging layer and is formed with a cavity. The semiconductor chip has an electronic component and a conductive pad. The conductive pad and the electronic component are disposed on an upper surface of the semiconductor chip and electrically connected. The cavity opens from a lower surface of the semiconductor chip and tapers toward the upper surface to expose the conductive pad. The insulation layer coats the lower surface and a portion of the cavity. The insulation layer is formed with a gap to expose the conductive pad. The redistribution layer coats the lower surface and a portion of the cavity and is electrically connected to the conductive pad through the gap. The packaging layer coats the lower surface and a portion of the cavity.
    Type: Application
    Filed: February 12, 2015
    Publication date: September 10, 2015
    Inventors: Po-Han LEE, Chia-Ming CHENG, Chien-Hung LIU
  • Patent number: 9123125
    Abstract: An image processing method includes: receiving a plurality of images, the images being captured under different view points; and performing image alignment for the plurality of images by warping the plurality of images, where the plurality of images are warped according to a set of parameters, and the set of parameters are obtained by finding a solution constrained to predetermined ranges of physical camera parameters. In particular, the step of performing the image alignment further includes: automatically performing the image alignment to reproduce a three-dimensional (3D) visual effect, where the plurality of images is captured by utilizing a camera module, and the camera module is not calibrated with regard to the view points. For example, the 3D visual effect can be a multi-angle view (MAV) visual effect. In another example, the 3D visual effect can be a 3D panorama visual effect. An associated apparatus is also provided.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: September 1, 2015
    Assignee: MEDIATEK INC.
    Inventor: Chia-Ming Cheng
  • Publication number: 20150228557
    Abstract: A chip package including a semiconductor substrate is provided. A recess is in the semiconductor substrate, wherein the semiconductor substrate has at least one spacer protruding from the bottom of the recess. A conducting layer is disposed on the semiconductor substrate and extends into the recess. A method for forming the chip package is also provided.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 13, 2015
    Inventors: Chia-Ming CHENG, Tsang-Yu LIU, Chi-Chang LIAO, Yu-Lung HUANG
  • Publication number: 20150228536
    Abstract: A chip package including a semiconductor substrate is provided. A recess is in the semiconductor substrate and adjoins a side edge of the semiconductor substrate, wherein the semiconductor substrate has at least one spacer protruding from the bottom of the recess. A conducting layer is disposed on the semiconductor substrate and extends into the recess.
    Type: Application
    Filed: February 10, 2015
    Publication date: August 13, 2015
    Inventors: Yen-Shih HO, Tsang-Yu LIU, Chia-Sheng LIN, Chia-Ming CHENG, Shu-Ming CHANG, Tzu-Wen TSENG
  • Patent number: 9064950
    Abstract: An embodiment of the present invention relates to a chip package and fabrication method thereof, which includes a chip protection layer or an additional etching stop layer to cover conducting pads to prevent dicing residue from damaging or scratching the conducting pads. According to another embodiment, a chip protection layer, an additional etching stop layer formed thereon, or a metal etching stop layer level with conducting pads or combinations thereof may be used when etching an intermetal dielectric layer at a structural etching region and a silicon substrate to form an opening for subsequent semiconductor manufacturing processes.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: June 23, 2015
    Assignee: XINTEC INC.
    Inventors: Chia-Lun Tsai, Chia-Ming Cheng, Long-Sheng Yeou
  • Patent number: 9034681
    Abstract: An embodiment of the invention provides a chip package, which includes: a substrate having an upper surface and a lower surface; a passivation layer located overlying the upper surface of the substrate; a plurality of conducting pad structures disposed overlying the upper surface of the substrate, wherein at least portions of upper surfaces of the conducting pad structures are exposed; a plurality of openings extending from the upper surface towards the lower surface of the substrate; and a plurality of movable bulks located between the openings and connected with the substrate, respectively, wherein each of the movable bulks is electrically connected to one of the conducting pad structures.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: May 19, 2015
    Assignee: Xintec Inc.
    Inventor: Chia-Ming Cheng
  • Patent number: 9018770
    Abstract: A chip package includes: a substrate having a first surface, a second surface, and a side surface connecting the first and the second surfaces; a dielectric layer located on the first surface; conducting pads comprising a first and a second conducting pads located in the dielectric layer; openings extending from the second surface towards the first surface and correspondingly exposing the conducting pads, wherein a first opening of the openings and a second opening of the openings next to the first opening respectively expose the first and the second conducting pads and extend along a direction intersecting the side surface of the substrate to respectively extend beyond the first and the second conducting pads; and a first and a second wire layers located on the second surface and extending into the first the second openings to electrically contact with the first and the second conducting pads, respectively.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: April 28, 2015
    Assignee: Xintec Inc.
    Inventors: Tsang-Yu Liu, Chia-Ming Cheng
  • Publication number: 20150097299
    Abstract: A method for forming a chip package is provided. A first substrate is provided. A second substrate is attached on the first substrate, wherein the second substrate has a plurality of rectangular chip regions separated by a scribed-line region. A portion of the second substrate corresponding to the scribed-line region is removed to form a plurality of chips on the first substrate, wherein at least one bridge portion is formed between adjacent chips. A chip package formed by the method is also provided.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 9, 2015
    Inventors: Chien-Hui CHEN, Tsang-Yu LIU, Chun-Wei CHANG, Chia-Ming CHENG
  • Publication number: 20150009291
    Abstract: An on-line stereo camera calibration method employed by an electronic device with a stereo camera device includes: retrieving a feature point set, and utilizing a stereo camera calibration circuit on the electronic device to calculate a stereo camera parameter set based on the retrieved feature point set. In addition, an on-line stereo camera calibration device on an electronic device with a stereo camera device includes a stereo camera calibration circuit. The stereo camera calibration circuit includes an input interface and a stereo camera calibration unit. The input interface is used to retrieve a feature point set. The stereo camera calibration unit is used to calculate a stereo camera parameter set based on at least the retrieved feature point set.
    Type: Application
    Filed: July 3, 2014
    Publication date: January 8, 2015
    Inventors: Chia-Ming Cheng, Po-Hao Huang, Yuan-Chung Lee, Chung-Hung Tsai
  • Publication number: 20140340491
    Abstract: A stereo preview apparatus has an auto-stereoscopic display, an input interface, a motion detection circuit, and a visual transition circuit. The input interface receives at least an input stereo image pair including a left-view image and a right-view image generated from an image capture device. The motion detection circuit evaluates a motion status of the image capture device. The visual transition circuit generates an output stereo image pair based on the input stereo image pair, and outputs the output stereo image pair to the auto-stereoscopic display for stereo preview, wherein the visual transition circuit refers to the evaluated motion status to configure adjustment made to the input stereo image pair when generating the output stereo image pair.
    Type: Application
    Filed: May 7, 2014
    Publication date: November 20, 2014
    Applicant: MEDIATEK INC.
    Inventors: Chia-Ming Cheng, Po-Hao Huang, Yuan-Chung Lee
  • Publication number: 20140332985
    Abstract: A chip package and a fabrication method thereof are provided according to an embodiment of the invention. The chip package includes a semiconductor substrate containing a chip and having a device area and a peripheral bonding pad area. A plurality of conductive pads is disposed at the peripheral bonding pad area and a passivation layer is formed over the semiconductor substrate to expose the conductive pads. An insulating protective layer is formed on the passivation layer at the device area. A packaging layer is disposed over the insulating protective layer to expose the conductive pads and the passivation layer at the peripheral bonding pad area. The method includes forming an insulating protective layer to cover a plurality of conductive pads during a cutting process and removing the insulating protective layer on the conductive pads through an opening of a packaging layer.
    Type: Application
    Filed: July 25, 2014
    Publication date: November 13, 2014
    Inventors: Ching-Yu NI, Chia-Ming CHENG, Nan-Chun LIN