Patents by Inventor Michael B. Ball

Michael B. Ball 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: 6837418
    Abstract: A method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The method includes the use of an individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. If desired, the method also provides for the use of a conventional fixed clamp for the lead fingers during the wire bonding process in addition to the individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding and also provides for the replacement of the fixed clamp with another, or second, independent clamp.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: January 4, 2005
    Assignee: Micron Technology, Inc.
    Inventors: Michael B. Ball, Rich Fogal
  • Patent number: 6786387
    Abstract: A wire-bonding machine includes a heat block for supporting a lead frame during wire-bonding. A clamp mechanism in the machine clamps leads of the lead frame during wire-bonding by fixedly holding sets of the leads against the heat block one set at a time. A wire-bonding tool wire-bonds leads clamped by the clamp mechanism to bond pads on an integrated circuit die. By clamping leads of the lead frame in separate sets, the machine provides improved clamping for lead frames with leads requiring clamping in different planes.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: September 7, 2004
    Assignee: Micron Technology, Inc.
    Inventors: Michael B. Ball, Rich Fogal
  • Patent number: 6784023
    Abstract: A method for increasing integrated circuit density comprising stacking an upper wafer and a lower wafer, each of which have fabricated circuitry in specific areas on their respective face surfaces. The upper wafer is attached back-to-back with the lower wafer with a layer of adhesive applied over the back side of the lower wafer. The wafers are aligned so as to bring complimentary circuitry on each of the wafers into perpendicular alignment. The adhered wafer pair is then itself attached to an adhesive film to immobilize the wafer during dicing. The adhered wafer pair may be diced into individual die pairs or wafer portions containing more than one die pair.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: August 31, 2004
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6732902
    Abstract: An apparatus and method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The apparatus and method include the use of a penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding by the clamp penetrating a portion of the lead finger being bonded. If desired, the apparatus and method also provide for the use of either a penetrating or nonpenetrating fixed clamp for the lead fingers during the wire bonding process in addition to the penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: May 11, 2004
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Publication number: 20040065719
    Abstract: A method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The method includes the use of an individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. If desired, the method also provides for the use of a conventional fixed clamp for the lead fingers during the wire bonding process in addition to the individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding and also provides for the replacement of the fixed clamp with another, or second, independent clamp.
    Type: Application
    Filed: August 4, 2003
    Publication date: April 8, 2004
    Inventors: Michael B. Ball, Rich Fogal
  • Patent number: 6715659
    Abstract: An apparatus for supporting lead fingers during a wire bonding process and of preventing the bonding apparatus and clamping assembly from applying force against the die. The present invention includes the use of a movable arm with a portion that is positionable under a portion of the lead fingers of a lead frame during the wire bonding process to provide increased stability of the lead fingers and prevent the bonding apparatus and clamping assembly from applying force against the die. The present invention also provides for the transfer of heat from the heat block directly to the lead fingers during the wire bonding process. The present invention includes the use of a clamp for stabilizing lead fingers during the wire bonding process.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: April 6, 2004
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Publication number: 20040035913
    Abstract: An apparatus for supporting lead fingers during a wire bonding process and method of preventing the bonding apparatus and clamping assembly from applying force against the die. The present invention includes the use of a movable arm with a portion that is positionable under a portion of the lead fingers of a lead frame during the wire bonding process to provide increased stability of the lead fingers and prevent the bonding apparatus and clamping assembly from applying force against the die. The present invention also provides for the transfer of heat from the heat block directly to the lead fingers during the wire bonding process. The present invention includes the use of a clamp for stabilizing lead fingers during the wire bonding process.
    Type: Application
    Filed: August 11, 2003
    Publication date: February 26, 2004
    Inventor: Michael B. Ball
  • Publication number: 20040026478
    Abstract: An apparatus and method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The present invention includes the use of an individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. If desired, the present invention also provides for the use of a conventional fixed clamp for the lead fingers during the wire bonding process in addition to the individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. The present invention also contemplates the replacement of the fixed clamp with another, or second, independent clamp in addition to the first individual independent lead finger clamp during the wire bonding process.
    Type: Application
    Filed: August 4, 2003
    Publication date: February 12, 2004
    Inventors: Michael B. Ball, Rich Fogal
  • Publication number: 20040026483
    Abstract: An apparatus and method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The apparatus and method includes the use of a penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding by the clamp penetrating a portion of the lead finger being bonded. If desired, the apparatus and method also provides for the use of either a penetrating or non-penetrating fixed clamp for the lead fingers during the wire bonding process in addition to the penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding.
    Type: Application
    Filed: August 5, 2003
    Publication date: February 12, 2004
    Inventor: Michael B. Ball
  • Patent number: 6662993
    Abstract: An apparatus and method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The present invention includes the use of an individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. If desired, the present invention also provides for the use of a conventional fixed clamp for the lead fingers during the wire bonding process in addition to the individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. The present invention also contemplates the replacement of the fixed clamp with another, or second, independent clamp in addition to the first individual independent lead finger clamp during the wire bonding process.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: December 16, 2003
    Assignee: Micron Technology, Inc.
    Inventors: Michael B. Ball, Rich Fogal
  • Patent number: 6641459
    Abstract: A method of conserving a facility delivered to a machine during the machine's idle mode is herein described. In one embodiment, the method is directed to a method for conserving coolant water delivery to a semiconductor wafer grinding machine. The system monitors the status of the grinder to determine whether the grinder is active or idle. After the system determines the grinder has entered idle mode, the system reduces the flow of water to the machine. In one embodiment, the flow is simply reduced while, in another embodiment, the flow is terminated. A delay circuit in the system may delay the reduction of the flow rate until some point after entering idle mode. Periodically throughout the idle mode, the system increases the flow of coolant water to the grinder to ensure the temperature of all grinder components remains consistent. The duty cycle of the coolant flow may be adjusted to optimize water conservation and machine readiness.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: November 4, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6641381
    Abstract: The present invention provides a multi-layered diamond dicing blade. More particularly, the blade is a multi-layered dicing blade comprising an inner layer with a first set of diamond particles and an outer layer overlying the inner layer. The inner layer extends to the outermost periphery of the dicing blade. The outer layer comprises a second set of diamond particles having a size smaller than the first set of diamond particles.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: November 4, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6637636
    Abstract: An apparatus and method of supporting lead fingers during a wire bonding process and method of preventing the bonding apparatus and clamping assembly from applying force against the die. The present invention includes the use of a movable arm with a portion that is positionable under a portion of the lead fingers of a lead frame during the wire bonding process to provide increased stability of the lead fingers and prevent the bonding apparatus and clamping assembly from applying force against the die. The present invention also provides for the transfer of heat from the heat block directly to the lead fingers during the wire bonding process. The present invention includes the use of a clamp for stabilizing lead fingers during the wire bonding process.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: October 28, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6630372
    Abstract: A semiconductor device, such as an integrated circuit die, includes a plurality of bond pads on an active surface thereof electrically connected to internal circuitry of the semiconductor device, and a plurality of jumper pads on the active surface which are electrically isolated from internal circuitry of the die. The jumper pads effectively provide stepping stones for wire bonds to be made across the active surface between bond pads. The jumper pads may be formed directly on the semiconductor device or on a non-conductive support structure that is attached to the semiconductor device.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: October 7, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6624059
    Abstract: A method of forming a semiconductor device assembly comprising forming a wire bump on at least one bond pad on the active surface of a semiconductor device and connecting one end of a wire to the wire bump using a wire bond. The wire bump may be flattened before connecting one end of a wire thereto.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: September 23, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6621147
    Abstract: A method used during the manufacture of a semiconductor device comprises providing a semiconductor wafer assembly, the assembly including a plurality of unsegmented semiconductor dice. A coating layer is formed over the semiconductor wafer assembly which causes the wafer to warp, for example through a surface tension exerted on the wafer assembly by the coating layer. To reduce wafer warp a series of grooves is etched or cut into the coating layer. The grooves are believed to relieve surface tension exerted on the wafer by the coating layer. An inventive structure resulting from the method is also described.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: September 16, 2003
    Assignee: Micron Technology Inc.
    Inventor: Michael B. Ball
  • Patent number: 6607121
    Abstract: A precisor plate for an automatic wire bonder having a heat block attachment portion thereon to precisely attach a heat block thereto provides a simple and quickly adjustable precisor plate and method of alignment. The precisor plate includes fixed alignment pins to align the precisor plate relative to a lead frame in an automatic wire bonding machine. In a preferred embodiment, the heat block is integral with the precisor plate and includes internal bores and or passageways for receiving a heating element, a thermocouple, and/or a vacuum source.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: August 19, 2003
    Assignee: Micron Technology, Inc.
    Inventors: Rich Fogal, Michael B. Ball, Ronald W. Ellis
  • Patent number: 6604670
    Abstract: An apparatus and method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The apparatus and method includes the use of a penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding by the clamp penetrating a portion of the lead finger being bonded. If desired, the apparatus and method also provides for the use of either a penetrating or non-penetrating fixed clamp for the lead fingers during the wire bonding process in addition to the penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: August 12, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Michael B. Ball
  • Patent number: 6604671
    Abstract: A method of forming improved wire bonds between the contact pads on semiconductor devices and individual lead frame fingers of a lead frame. The method includes the use of an individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding. If desired, the method also provides for the use of a conventional fixed clamp for the lead fingers during the wire bonding process in addition to the individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding and also provides for the replacement of the fixed clamp with another, or second, independent clamp.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: August 12, 2003
    Assignee: Micron Technology, Inc.
    Inventors: Michael B. Ball, Rich Fogal
  • Patent number: 6602778
    Abstract: A method and apparatus for electrically coupling bond pads on the surface of a microelectronic device. The apparatus can include a microelectronic device having at least two bond pads with a conductive member extending between the bond pads, external to the device. In one embodiment, the conductive member can be connected directly to the bond pads and can extend between the bond pads at or above the surface of the microelectronic device. In another embodiment, the conductive member can be connected on top of another conductive member previously attached to one of the bond pads. The conductive members can be attached to each other or to the bond pads with either ball bonds or wedge bonds to provide electrical signals to selected bond pads of the microelectronic device.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: August 5, 2003
    Assignee: Micron Technology, Inc.
    Inventors: Troy A. Manning, Michael B. Ball