Patents by Inventor Shengli Lin

Shengli Lin 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: 9706642
    Abstract: Embodiments of the present invention are directed to providing a time delay to a shortened trace in a differential microstrip trace pair. By adding back metal to a ground plane associated with a DC blocking capacitor, a time delay can be added to the shortened trace. The cutout associated with the longer trace remains unaltered. In a further embodiment, both cutouts can be modified with the addition of metal, with the cutout associated with the shorter trace receiving more metal than the other cutout. In a further embodiment of the present invention, a cutout associated with a connector can be modified to add back metal in the cutout. The cutout associated with the shorter trace is modified while the other cutout is left unchanged.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: July 11, 2017
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventor: Shengli Lin
  • Patent number: 8669830
    Abstract: Embodiments of the present invention are directed to providing an increased trace width when traversing a void in another layer in a printed circuit board or package design. By increasing the trace width or alternatively increasing the capacitance, the degradation due to the void can be reduced. This approach works for microstrip, stripline as well as other transmission lines that use a reference plane. The void can be the result of an antipad associated with a via, or any other disruption in an otherwise uniform reference plane.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: March 11, 2014
    Assignee: Broadcom Corporation
    Inventor: Shengli Lin
  • Publication number: 20130299225
    Abstract: A via structure is disclosed to pass electronic signals from a first conductive pathway formed on a first outermost substrate of a multi-layer PCB to a second conductive pathway formed on a second outermost substrate of the multi-layer PCB. The via structure allows the electronic signals to pass from the first outermost substrate through one or more inner substrates to the second outermost substrate. The one or more inner substrates include one or more closed geometric structures to enclose the via structure.
    Type: Application
    Filed: July 15, 2013
    Publication date: November 14, 2013
    Inventor: Shengli LIN
  • Patent number: 8487195
    Abstract: A via structure is disclosed to pass electronic signals from a first conductive pathway formed on a first outermost substrate of a multi-layer PCB to a second conductive pathway formed on a second outermost substrate of the multi-layer PCB. The via structure allows the electronic signals to pass from the first outermost substrate through one or more inner substrates to the second outermost substrate. The one or more inner substrates include one or more closed geometric structures to enclose the via structure.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: July 16, 2013
    Assignee: Broadcom Corporation
    Inventor: Shengli Lin
  • Publication number: 20120182082
    Abstract: Embodiments of the present invention are directed to providing an increased trace width when traversing a void in another layer in a printed circuit board or package design. By increasing the trace width or alternatively increasing the capacitance, the degradation due to the void can be reduced. This approach works for microstrip, stripline as well as other transmission lines that use a reference plane. The void can be the result of an antipad associated with a via, or any other disruption in an otherwise uniform reference plane.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 19, 2012
    Applicant: Broadcom Corporation
    Inventor: Shengli LIN
  • Publication number: 20120048599
    Abstract: Embodiments of the present invention are directed to providing a time delay to a shortened trace in a differential microstrip trace pair. By adding back metal to a ground plane associated with a DC blocking capacitor, a time delay can be added to the shortened trace. The cutout associated with the longer trace remains unaltered. In a further embodiment, both cutouts can be modified with the addition of metal, with the cutout associated with the shorter trace receiving more metal than the other cutout. In a further embodiment of the present invention, a cutout associated with a connector can be modified to add back metal in the cutout. The cutout associated with the shorter trace is modified while the other cutout is left unchanged.
    Type: Application
    Filed: August 27, 2010
    Publication date: March 1, 2012
    Applicant: Broadcom Corporation
    Inventor: Shengli LIN
  • Publication number: 20110214912
    Abstract: A via structure is disclosed to pass electronic signals from a first conductive pathway formed on a first outermost substrate of a multi-layer PCB to a second conductive pathway formed on a second outermost substrate of the multi-layer PCB. The via structure allows the electronic signals to pass from the first outermost substrate through one or more inner substrates to the second outermost substrate. The one or more inner substrates include one or more closed geometric structures to enclose the via structure.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 8, 2011
    Applicant: Broadcom Corporation
    Inventor: Shengli LIN
  • Patent number: 6982672
    Abstract: A multi-band antenna comprises a first conductive layer having one or more parasitic patches, a second conductive layer having a plurality of radiating patches, and a third conductive layer having a ground patch. The first, second and third conductive layers may be separated by first and second substrate layers. The second conductive layer may comprise a first radiating patch having dimensions selected to radiate signals within a first frequency spectrum and second radiating patches having dimensions selected to radiate signals within a second frequency spectrum. In wireless local area network (WLAN) embodiments, the first frequency spectrum may comprise a frequency band ranging from approximately 5.1 to 5.9 GHz, and the second frequency spectrum may comprise frequency bands ranging from approximately 2.4 to 2.5 GHz.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: January 3, 2006
    Assignee: Intel Corporation
    Inventors: Shengli Lin, Chunfei Ye, Nilesh N. Shah
  • Publication number: 20050195110
    Abstract: A multi-band antenna comprises a first conductive layer having one or more parasitic patches, a second conductive layer having a plurality of radiating patches, and a third conductive layer having a ground patch. The first, second and third conductive layers may be separated by first and second substrate layers. The second conductive layer may comprise a first radiating patch having dimensions selected to radiate signals within a first frequency spectrum and second radiating patches having dimensions selected to radiate signals within a second frequency spectrum. In wireless local area network (WLAN) embodiments, the first frequency spectrum may comprise a frequency band ranging from approximately 5.1 to 5.9 GHz, and the second frequency spectrum may comprise frequency bands ranging from approximately 2.4 to 2.5 GHz.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 8, 2005
    Inventors: Shengli Lin, Chunfei Ye, Nilesh Shah