Patents by Inventor Yung-Cheng Chang

Yung-Cheng 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: 20080040353
    Abstract: A manufacturing management system comprises a plurality of management modules, where each module operable to perform functions associated with a phase of a manufacturing cycle, a plurality of engineering chain agents associated and communicating with each of the plurality of management modules and operable to perform specific functions related to data exchange between the plurality of management modules, and a plurality of web service interface modules enabling the plurality of engineering chain agents to communicate with one another and exchange data across a computer network.
    Type: Application
    Filed: August 10, 2006
    Publication date: February 14, 2008
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yung Cheng CHANG, Fan Tien CHENG
  • Patent number: 7289320
    Abstract: An electronic device includes a housing, a spacing structure, a printed circuit board and a fan. The housing has first and second openings. The spacing structure is arranged within the housing for partitioning a space within the housing into an air channel and a receptacle. The air channel is in communication with the first and second openings. The printed circuit board is disposed within the receptacle. The fan is disposed within the air channel for inhaling ambient air via the first opening and exhausting the air via the second opening so as to dissipate heat outside the electronic device.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: October 30, 2007
    Assignee: Delta Electronics, Inc.
    Inventors: Yung-Cheng Chang, Yin-Yuan Chen, Chien-Feng Chuang
  • Publication number: 20070235470
    Abstract: A tamper-evident mechanism for use with an electronic appliance includes a first housing, a second housing, a fastening device and a shielding element. The first housing includes a perforation, which is surrounded by a ring-shape member. The second housing includes a groove corresponding to the perforation of the first housing, wherein the groove has an inner thread formed on a portion of inner wall thereof. The fastening device includes a head portion and a shaft portion, wherein the shaft portion has an external thread engaged with the inner thread of the groove and the head portion is sustained against the ring-shape member, thereby coupling the first housing with the second housing. The shielding element is inserted into the perforation of the first housing for shielding the head portion of the fastening device.
    Type: Application
    Filed: November 1, 2006
    Publication date: October 11, 2007
    Applicant: Delta Electronics, Inc.
    Inventor: Yung-Cheng Chang
  • Publication number: 20070225848
    Abstract: Aspects of the present disclosure provide a method and a system for providing automatic and accurate manufacturing delivery schedule without human operations. The method and system receive a delivery schedule, monitor performance of at least one manufacturing process to produce a specific lot of a product based on a plurality of statistical process control rules, and automatically revise a priority of the specific lot of the product if a statistical process control rule is violated. By using statistical process control methods and rules to monitor lot production performance, lot priority may be automatically revised to assure on-time delivery.
    Type: Application
    Filed: October 27, 2006
    Publication date: September 27, 2007
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yung-Cheng Chang, Hsueh-Shih Fu, N. N. Fang
  • Publication number: 20070213863
    Abstract: A system comprises a parser operable to receive a log file containing detailed processing tool transactional data and generate an operation journal containing a subset of the detailed processing tool transactional data arranged in a known format, a comparator operable to receive automated material tracking data, and compare with the operation journal data, and an automatic correction module operable to automatically correct the automated material tracking data in response to a discrepancy between the automated material tracking data and the operation journal data.
    Type: Application
    Filed: March 8, 2006
    Publication date: September 13, 2007
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Cheng Chang, Hsieh-Shyh Fu
  • Patent number: 7184851
    Abstract: A system for tool monitoring is provided. The system comprises a first cassette, a second cassette, a processing tool, a first metrology tool, and a second metrology tool. The first cassette contains a first control wafer used for a first metrology process. The second cassette contains a second control wafer used for a second metrology process. The processing tool receives the first cassette and processes the first control wafer, and receives the second cassette and processes the second control wafer. The first metrology tool receives the first cassette from the processing tool, and performs the first metrology process on the first control wafer processed by the processing tool. The second metrology tool receives the second cassette from the processing tool, and performs the second metrology process on the second control wafer processed by the processing tool.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: February 27, 2007
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yung-Cheng Chang, Hsueh-shih Fu, Hades Lee, Yi-Ping Huang
  • Publication number: 20060293780
    Abstract: A system for tool monitoring is provided. The system comprises a first cassette, a second cassette, a processing tool, a first metrology tool, and a second metrology tool. The first cassette contains a first control wafer used for a first metrology process. The second cassette contains a second control wafer used for a second metrology process. The processing tool receives the first cassette and processes the first control wafer, and receives the second cassette and processes the second control wafer. The first metrology tool receives the first cassette from the processing tool, and performs the first metrology process on the first control wafer processed by the processing tool. The second metrology tool receives the second cassette from the processing tool, and performs the second metrology process on the second control wafer processed by the processing tool.
    Type: Application
    Filed: June 28, 2005
    Publication date: December 28, 2006
    Inventors: Yung-Cheng Chang, H. Fu, Hades Lee, Yi-Ping Huang
  • Publication number: 20060198104
    Abstract: An electronic device includes a housing, a spacing structure, a printed circuit board and a fan. The housing has first and second openings. The spacing structure is arranged within the housing for partitioning a space within the housing into an air channel and a receptacle. The air channel is in communication with the first and second openings. The printed circuit board is disposed within the receptacle. The fan is disposed within the air channel for inhaling ambient air via the first opening and exhausting the air via the second opening so as to dissipate heat outside the electronic device.
    Type: Application
    Filed: July 13, 2005
    Publication date: September 7, 2006
    Inventors: Yung-Cheng Chang, Yin-Yuan Chen, Chien-Feng Chuang
  • Patent number: 6929962
    Abstract: A system for WAT (Wafer Acceptance Test) configuration. The system comprises an input/output device, a storage device, and a processor. The input/output device receives a first WAT model and qualification criteria. The storage device stores a preset WAT model and qualification criteria. The processor modifies the preset WAT model according to the first WAT model to generate a second WAT model, and modifies the preset qualification criteria according to the first qualification criteria to generate second qualification criteria.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: August 16, 2005
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Yung-Cheng Chang
  • Patent number: 6474407
    Abstract: A composite heat sink with high density fins and a method for assembling the composite heat sink are disclosed. The composite heat sink includes a base and a plurality of fins detachably connected to each other, wherein each fin includes a plate and a bottom perpendicularly extended from a first end of the plate. Furthermore, each bottom of the fin is disposed on a surface of the base.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: November 5, 2002
    Assignee: Delta Electronics Inc.
    Inventors: Yung-Cheng Chang, Jui-Yuan Hsu, Chen-Yu Yu
  • Publication number: 20020142631
    Abstract: A connecting assembly is provided. The connecting assembly includes a first object having a first base, a second object having a second base electrically connected to the first object, at least one connecting pin having two ends respectively plugged in and electrically connected between the first base of the first object and the second base of the second object, and a sleeve having an interior space for mounting the at least one connecting pin, wherein the sleeve has a first slot and a second slot on its two ends which cover the first base of the first object and the second base of the second object, respectively.
    Type: Application
    Filed: February 12, 2002
    Publication date: October 3, 2002
    Inventor: Yung-Cheng Chang
  • Publication number: 20020064981
    Abstract: An electric appliance for providing a closed space to protect a power input element thereof is disclosed. The electric appliance includes an electronic module, an isolation device integrally formed with the electronic module for mounting the power input element therein, and an open-shut device moveably connected to the isolation device for opening and shutting the isolation device, thereby providing the closed space to protect the power input element form the external damage.
    Type: Application
    Filed: March 6, 2001
    Publication date: May 30, 2002
    Inventors: Wen-Lung Yu, Yung-Cheng Chang