Patents by Inventor Haijing Lu

Haijing Lu 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: 8462516
    Abstract: An interconnect structure, an interconnect structure for interconnecting first and second components, an interconnect structure for interconnecting a multiple component stack and a substrate, and a method of fabricating an interconnect structure. The interconnect structure comprising a base portion formed on a mounting surface of a first component; a pillar portion extending from the base portion and substantially perpendicularly to the mounting surface; and a head portion formed on the pillar portion and having larger lateral dimensions than the pillar portion; wherein the base portion and the pillar portion are integrally formed of a homogeneous material.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: June 11, 2013
    Assignees: Agency for Science Technology and Research, Nanyang Technological University
    Inventors: Chee Khuen Stephen Wong, Hock Lye John Pang, Wei Fan, Haijing Lu, Boon Keng Lok
  • Publication number: 20100246150
    Abstract: An interconnect structure, an interconnect structure for interconnecting first and second components, an interconnect structure for interconnecting a multiple component stack and a substrate, and a method of fabricating an interconnect structure. The interconnect structure comprising a base portion formed on a mounting surface of a first component; a pillar portion extending from the base portion and substantially perpendicularly to the mounting surface; and a head portion formed on the pillar portion and having larger lateral dimensions than the pillar portion; wherein the base portion and the pillar portion are integrally formed of a homogeneous material.
    Type: Application
    Filed: October 21, 2008
    Publication date: September 30, 2010
    Applicants: Agency for Science Tecnology and Research, Nanyang Tecnological University
    Inventors: Chee Khuen Stephen Wong, Hock Lye John Pang, Wei Fan, Haijing Lu, Boon Keng Lock
  • Publication number: 20030216025
    Abstract: A process is used to produce copper bumps on a semiconductor chip or a wafer containing several microchips. The chip or wafer has a layer incorporating a plurality semiconductor devices and a passivation layer having openings. Conductive pads within the openings and are in contact with the semiconductor devices. In the process, a conductive adhesive material is deposited onto the conductive pads to form adhesion layers. A conductive metal is deposited onto the adhesion layers to form barrier layers and the passivation layer is subjected to an acid dip solution to remove particles of the conductive adhesive material which can be attached to the passivation layer. Copper is then deposited onto the barrier layers to form the copper bump. Each one of the deposition steps are performed electrolessly. Furthermore, plating solutions and a wafer and a microchip produced by the above process and are provided.
    Type: Application
    Filed: May 16, 2003
    Publication date: November 20, 2003
    Inventors: Haijing Lu, Hao Gong, Stephen Choo Khuen Wong