Patents by Inventor Alexander Herrera

Alexander Herrera 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: 20080110019
    Abstract: In one embodiment, a probe card for testing dice on a wafer includes a substrate, a number of cantilevers formed on a surface thereof, and a number of probes extending from unsupported ends of the cantilevers. The unsupported ends of the cantilevers project over cavities on the surface of the substrate. The probes have tips to contact pads on the dice under test. The probe card may include a compressive layer above the surface of the substrate with a number of holes through which the probes extend.
    Type: Application
    Filed: January 11, 2008
    Publication date: May 15, 2008
    Inventors: James Nulty, James Hunter, Alexander Herrera
  • Publication number: 20050212540
    Abstract: In one embodiment, a probe card for testing dice on a wafer includes a substrate, a number of cantilevers formed on a surface thereof, and a number of probes extending from unsupported ends of the cantilevers. The unsupported ends of the cantilevers project over cavities on the surface of the substrate. The probes have tips to contact pads on the dice under test. The probe card may include a compressive layer above the surface of the substrate with a number of holes through which the probes extend.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 29, 2005
    Inventors: James Nulty, James Hunter, Alexander Herrera
  • Patent number: 6678728
    Abstract: A method and apparatus for automatically loading device status information into a network device. One embodiment comprises an apparatus in a network device, wherein the network device enters a sleep state under particular conditions. In one embodiment, the apparatus is for communicating with other devices on the network and comprises control circuitry that controls communication between the network device and the other devices on the network. The apparatus further comprises a memory device that stores configuration data for the control circuitry, wherein at least a portion of the configuration data is loaded into the control circuitry upon initialization of the network device. The apparatus further comprises a buffer that stores keep-alive data that is transmitted to a plurality of the other devices in the network to refresh the presence of the network device in the network, wherein the keep-alive data is loaded into the buffer from the memory device upon initialization of the network device.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: January 13, 2004
    Assignee: 3Com Corporation
    Inventors: Krishna Uppunda, Eric Davis, Nathaniel Henderson, Chi-Lie Wang, Alexander Herrera
  • Patent number: 6640262
    Abstract: A method and apparatus for automatically configuring a configurable integrated circuit. One embodiment comprises a method for automatically loading data including configuration data to a configurable integrated circuit upon initialization of a system in which the configurable integrated circuit is embedded. The method of one embodiment comprises storing a plurality of commands and a plurality of data elements in a non-volatile memory of the system. The method further comprises reading contents of an initial address in the non-volatile memory. If the initial address contains a command, depending upon a type of the command, the method comprises writing contents of a next address in the non-volatile memory to a register space of the configurable integrated circuit, to a configuration space of the configurable integrated circuit, or to a command space of the configurable integrated circuit.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: October 28, 2003
    Assignee: 3Com Corporation
    Inventors: Krishna Uppunda, Eric R. Davis, Nathaniel Henderson, Chi-Lie Wang, Alexander Herrera