Patents by Inventor Kam-Shau Chan

Kam-Shau Chan 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: 20130101458
    Abstract: A magnesium alloy includes about 7.0 to about 8.0 wt % aluminum, about 0.45 wt % to about 0.90 wt % zinc, about 0.17 wt % to about 0.40 wt % manganese, about 0.50 wt % to about 1.5 wt % rare earth elements, about 0.00050 wt % to about 0.0015 wt % beryllium, and the rest being magnesium and unavoidable impurities. A method for making the magnesium alloy is also provided.
    Type: Application
    Filed: December 6, 2011
    Publication date: April 25, 2013
    Applicants: FOXCONN TECHNOLOGY CO., LTD., FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD.
    Inventors: JIE WANG, HSIEN-TSUNG LI, KAM-SHAU CHAN, XING-XING WANG, RUI-FENG FAN, YI LI, JUN-FENG ZHAO
  • Patent number: 8361559
    Abstract: A method for making a magnesium-based composite material includes mixing nanoscale reinforcements with a melted magnesium-based material to obtain a pre-mixture. The pre-mixture is agitated by an ultrasonic process to obtain a mixture. The mixture is sprayed to a substrate.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: January 29, 2013
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Kuo-Jung Chung, Qing-Chun Du, Wen-Zhen Li
  • Publication number: 20120269674
    Abstract: A magnesium alloy includes about 7.2 to about 7.8 wt % aluminum, about 0.45 wt % to about 0.90 wt % zinc, about 0.17 wt % to about 0.40 wt % manganese, about 0.30 wt % to about 1.5 wt % rare earth elements, about 0.00050 wt % to about 0.0015 wt % beryllium, and the rest being magnesium and unavoidable impurities. A method of making the magnesium alloy is further provided.
    Type: Application
    Filed: October 23, 2011
    Publication date: October 25, 2012
    Applicants: FOXCONN TECHNOLOGY CO., LTD., FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD.
    Inventors: HSIEN-TSUNG LI, KAM-SHAU CHAN, BIN-FEI WEI, JIE WANG, XIN DONG
  • Patent number: 8210423
    Abstract: The present disclosure relates to a method for fabricating the above-described a magnesium-based composite material. The method includes providing at least two magnesium-based plates, providing at least one nanoscale reinforcement film, sandwiching the at least one nanoscale reinforcement film between the at least two magnesium-based plates to form a preform, and hot rolling the preform to achieve the magnesium-based composite material.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: July 3, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Qing-Chun Du, Wen-Zhen Li, Kai-Li Jiang
  • Publication number: 20120070331
    Abstract: Magnesium-based alloys having good mechanical properties, such as mechanical strength, ductility, and castability, and methods of making the magnesium alloys are disclosed. The magnesium alloys comprise 8.7 to 11.8 wt % aluminum, 0.63 to 1.93 wt % zinc, 0.1 to 0.5 wt % manganese, 0.5 to 1.5 wt % rare earth elements, and a remainder of said magnesium alloy being composed of magnesium and unavoidable impurities.
    Type: Application
    Filed: November 27, 2011
    Publication date: March 22, 2012
    Applicants: FOXCONN TECHNOLOGY CO., LTD., FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD.
    Inventors: KUO-JUNG CHUNG, HAI-TAO HUANG, FEI-YAN XIAO, KAM-SHAU CHAN, HSIEN-TSUNG LI, BIN-LUNG OU
  • Patent number: 7987894
    Abstract: An apparatus for fabrication of a magnesium-based carbon nanotube composite material, the apparatus includes a thixomolding machine, and a feeding device. The thixomolding machine includes a heating barrel, a feeding inlet, a nozzle, a heating portion, and a plunger. The heating barrel includes a first end and a second end. The feeding inlet is disposed at the first end. The nozzle is disposed at the second end. The heating portion is disposed around the heating barrel. The plunger is disposed at a center of the heating barrel. The feeding device includes a hopper; an aspirator connected to the hopper, a first container, and a second container. The hopper is in communication with the first container and the second container. A method for fabricating a magnesium-based carbon nanotube composite material is also provided.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: August 2, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Qing-Chun Du, Wen-Zhen Li
  • Patent number: 7921899
    Abstract: A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a magnesium-based melt and a plurality of carbon nanotubes, mixing the carbon nanotubes with the magnesium-based melt to achieve a mixture; (b) injecting the mixture into at least one mold to achieve a preform; and (c) extruding the preform to achieve the magnesium-based carbon nanotube composite material.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: April 12, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Qing-Chun Du, Wen-Zhen Li
  • Publication number: 20110011552
    Abstract: An apparatus for fabricating the magnesium-based alloy includes a transferring device, a thixomolding machine, and an electromagnetic stirring device. The transferring device includes a feed inlet. The thixomolding machine includes a heating barrel having a first end and a second end, a nozzle disposed at the first end. The electromagnetic stirring device includes an electromagnetic induction coil disposed on an outer wall of the heating barrel.
    Type: Application
    Filed: September 28, 2010
    Publication date: January 20, 2011
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: KAM-SHAU CHAN, CHENG-SHI CHEN, LI-QING ZHANG, WEN-ZHEN LI
  • Publication number: 20100316524
    Abstract: A magnesium alloy includes 8.7 to 11.8 wt % aluminum, 0.63 to 1.93 wt % zinc, 0.1 to 0.5 wt % manganese, 0.5 to 1.5 wt % rare earth elements, and a remainder of said magnesium alloy being composed of magnesium and unavoidable impurities.
    Type: Application
    Filed: July 31, 2009
    Publication date: December 16, 2010
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: KUO-JUNG CHUNG, HAI-TAO HUANG, FEI-YAN XIAO, KAM-SHAU CHAN, HSIEN-TSUNG LI, BIN-LUNG OU
  • Patent number: 7829200
    Abstract: The present invention relates to a magnesium-based composite material includes at least two magnesium-based metallic layers; and at least one magnesium-based composite layer respectively sandwiched by the at least two magnesium-based metallic layers. The present invention also relates to a method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing at least two magnesium-based plates; (b) providing a plurality of nanoscale reinforcements; (c) sandwiching the nanoscale reinforcements between the at least two magnesium-based plates to form a preform; and (d) hot pressing the preform to achieve the magnesium-based composite material.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: November 9, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Jie Wang, Wen-Zhen Li, Kai-Li Jiang
  • Patent number: 7824461
    Abstract: A method for fabricating a magnesium-based alloy includes the steps of: (a) mixing a number of carbon nanotubes with a number of magnesium particles; (b) heating the mixture in a protective gas to achieve a semi-solid-state paste; (c) stirring the semi-solid-paste using an electromagnetic stirring force to disperse the carbon nanotubes into the paste; (d) injecting the semi-solid-state paste into a die; and (e) cooling the semi-solid-state paste to achieve a magnesium-based alloy. An apparatus for fabricating the magnesium-based alloy includes a transferring device, a thixomolding machine, and an electromagnetic stirring device. The transferring device includes a feed inlet. The thixomolding machine includes a heating barrel having two ends, a nozzle disposed at a first end thereof, and an material input positioned at a second end thereof. The electromagnetic stirring device includes an electromagnetic induction coil disposed on an outer wall of the heating barrel.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: November 2, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Li-Qing Zhang, Wen-Zhen Li
  • Patent number: 7799437
    Abstract: The present invention relates to a magnesium-based composite material includes a magnesium-based metallic material, and at least one nanoscale reinforcement film disposed therein. The present invention also relates to a method for fabricating the above-described a magnesium-based composite material, the method includes the steps of: (a) providing at least two magnesium-based plates; (b) providing at least one nanoscale reinforcement film; (c) sandwiching the at least one nanoscale reinforcement film between the at least two magnesium-based plates to form a preform; and (d) hot rolling the preform to achieve the magnesium-based composite material.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: September 21, 2010
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Qing-Chun Du, Wen-Zhen Li, Kai-Li Jiang
  • Publication number: 20100200125
    Abstract: The present disclosure relates to a method for fabricating the above-described a magnesium-based composite material. The method includes providing at least two magnesium-based plates, providing at least one nanoscale reinforcement film, sandwiching the at least one nanoscale reinforcement film between the at least two magnesium-based plates to form a preform, and hot rolling the preform to achieve the magnesium-based composite material.
    Type: Application
    Filed: April 26, 2010
    Publication date: August 12, 2010
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: KAM-SHAU CHAN, CHENG-SHI CHEN, GUANG-LIANG SHEU, QING-CHUN DU, WEN-ZHEN LI, KAI-LI JIANG
  • Publication number: 20100075064
    Abstract: A method for making a magnesium-based composite material includes mixing nanoscale reinforcements with a melted magnesium-based material to obtain a pre-mixture. The pre-mixture is agitated by an ultrasonic process to obtain a mixture. The mixture is sprayed to a substrate.
    Type: Application
    Filed: July 7, 2009
    Publication date: March 25, 2010
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: KAM-SHAU CHAN, CHENG-SHI CHEN, KUO-JUNG CHUNG, QING-CHUN DU, WEN-ZHEN LI
  • Patent number: 7638089
    Abstract: An exemplary magnesium alloy includes: by weight, magnesium as a main ingredient, aluminum in an amount from 7.5% to 7.8%, zinc in an amount from 0.35% to 1.0%, manganese in an amount from 0.15% to 0.5%, silicon less than 0.1%, copper less than 0.03%, iron less than 0.005%, and nickel less than 0.002%. The present invention also provides a thin workpiece made of the magnesium alloy.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: December 29, 2009
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Wen-Hsien Tang
  • Publication number: 20090162574
    Abstract: A method for fabricating a light metal-based nano-composite material, the method includes the steps of: (a) providing melted metal and nanoscale reinforcements; (b) ultrasonically dispersing the nanoscale reinforcements in the melted metal by means of ultrasonically mixing to achieve a mixture with the nanoscale reinforcements uniformly dispersed therein; and (c) cooling the mixture.
    Type: Application
    Filed: November 24, 2008
    Publication date: June 25, 2009
    Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.
    Inventors: Nai-Yi Li, Tadayoshi Tsukeda, Kuo-Jung Chung, Kam-Shau Chan, Cheng-Shi Chen, Qing-Chun Du, Wen-Zhen Li
  • Publication number: 20090127743
    Abstract: A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a magnesium-based melt and a plurality of carbon nanotubes, mixing the carbon nanotubes with the magnesium-based melt to achieve a mixture; (b) injecting the mixture into at least one mold to achieve a preform; and (c) extruding the preform to achieve the magnesium-based carbon nanotube composite material.
    Type: Application
    Filed: March 31, 2008
    Publication date: May 21, 2009
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: KAM-SHAU CHAN, CHENG-SHI CHEN, GUANG-LIANG SHEU, QING-CHUN DU, WEN-ZHEN LI
  • Publication number: 20090081408
    Abstract: The present invention relates to a magnesium-based composite material includes a magnesium-based metallic material, and at least one nanoscale reinforcement film disposed therein. The present invention also relates to a method for fabricating the above-described a magnesium-based composite material, the method includes the steps of: (a) providing at least two magnesium-based plates; (b) providing at least one nanoscale reinforcement film; (c) sandwiching the at least one nanoscale reinforcement film between the at least two magnesium-based plates to form a preform; and (d) hot rolling the preform to achieve the magnesium-based composite material.
    Type: Application
    Filed: April 24, 2008
    Publication date: March 26, 2009
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Qing-Chun Du, Wen-Zhen Li, Kai-Li Jiang
  • Publication number: 20090074603
    Abstract: A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a large amount of magnesium-based powder and a large amount of nanoscale reinforcements; (b) uniformly mixing the magnesium-based powder and the nanoscale reinforcements to form a mixture; and (c) compacting the mixture at a high velocity in a protective gas to achieve the magnesium-based composite material. High velocity compaction equipment for fabricating the magnesium-based composite material includes a sealing chamber, a gas pumping device, a mold, and a hammer. The gas pumping device is connected to the sealing chamber. The mold is disposed in the sealing chamber with an aperture formed on the top thereof. The hammer is disposed in the sealing chamber and above the mold, and moving along longitudinal thereof at a controllable ramming speed.
    Type: Application
    Filed: April 9, 2008
    Publication date: March 19, 2009
    Applicants: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Qing-Chun Du, Wen-Zhen Li
  • Publication number: 20090057957
    Abstract: An apparatus for fabrication of a magnesium-based carbon nanotube composite material, the apparatus includes a thixomolding machine, and a feeding device. The thixomolding machine includes a heating barrel, a feeding inlet, a nozzle, a heating portion, and a plunger. The heating barrel includes a first end and a second end. The feeding inlet is disposed at the first end. The nozzle is disposed at the second end. The heating portion is disposed around the heating barrel. The plunger is disposed at a center of the heating barrel. The feeding device includes a hopper; an aspirator connected to the hopper, a first container, and a second container. The hopper is in communication with the first container and the second container. A method for fabricating a magnesium-based carbon nanotube composite material is also provided.
    Type: Application
    Filed: August 21, 2008
    Publication date: March 5, 2009
    Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Kam-Shau Chan, Cheng-Shi Chen, Guang-Liang Sheu, Qing-Chun Du, Wen-Zhen Li