Patents by Inventor Randolph E. Treur

Randolph E. Treur 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: 7494550
    Abstract: A method for rinsing a semiconductor wafer in a module utilizing a fluid delivery ring is provided. The method includes providing a process bowl having a generally circular shape bottom wall, a sidewall that extends upwardly from the bottom wall to define a cylindrical chamber, and a plurality of channels in the sidewall that extend from the bottom wall to an upper edge of the sidewall. A fluid delivery ring is attached onto the sidewall of the process bowl. Utilizing the process bowl, a plurality of supply tubes is inserted into the fluid delivery ring. The fluid delivery ring has a plurality of ring inlet and outlet pairs and a plurality of respective slots. Fluid is supplied to the supply tubes, and fluid is directed onto a surface of the semiconductor wafer defined within the process bowl.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: February 24, 2009
    Assignee: Lam Research Corporation
    Inventors: Stephen M. Smith, Randolph E. Treur
  • Patent number: 7170190
    Abstract: An apparatus for brushing a surface of a substrate is provided. The apparatus includes a brush for scrubbing the surface of the substrate, a head for holding the brush, and an arm. The arm is configured to hold the head about a connection point. The arm is connected to an oscillating mechanism configured to cause the head to oscillate at an angle of rotation about the connection point.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: January 30, 2007
    Assignee: Lam Research Corporation
    Inventors: Randolph E. Treur, John M. Boyd, Tom Anderson, John de Larios
  • Patent number: 7087122
    Abstract: A method for spinning a wafer to enable rinsing and drying is provided. The method includes engaging the wafer at a wafer processing plane and spinning the wafer. The method further includes moving a wafer backside plate from a first position to a second position as spinning of the wafer proceeds to an optimum spinning speed. The second position defines a reduced gap between an under surface of the wafer and a top surface of the wafer backside plate. The method also includes repositioning the wafer backside plate from the second position to the first position as the spinning reduces in speed. The first position defines an enlarged gap to enable loading and unloading of the wafer from the engaged position.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: August 8, 2006
    Assignee: Lam Research Corporation
    Inventors: Stephen M. Smith, Randolph E. Treur
  • Patent number: 7040332
    Abstract: A system for cleaning a substrate includes a tank defining an inner cavity between a base and sidewalls extending therefrom. A source of acoustic energy affixed to an outer surface of one of the sidewalls. The tank is configured to decouple a direction associated with the acoustic energy from the source of acoustic energy and direct the acoustic energy toward the substrate.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: May 9, 2006
    Assignee: Lam Research Corporation
    Inventors: John M. Boyd, Fred C. Redeker, Randolph E. Treur, William Thie
  • Patent number: 7040017
    Abstract: A fluid delivery module for use in preparing a substrate is provided. The fluid delivery module includes a process bowl designed to contain a substrate to be prepared. The process bowl has a bottom wall and a sidewall. The fluid delivery module further includes a fluid delivery ring configured to be attached to the sidewall of the process bowl. The fluid delivery ring includes a plurality of inlet and outlet pairs. Each of the plurality of inlet and outlet pairs is defined in the fluid ring and is designed to receive a respective supply tube. Each respective supply tube has an end that terminates at each of the outlets of the fluid delivery ring and is configured to direct fluid onto a surface of the substrate.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: May 9, 2006
    Assignee: Lam Research Corporation
    Inventors: Stephen M. Smith, Randolph E. Treur
  • Patent number: 7029539
    Abstract: A method for processing a wafer in a spin, rinse, and dry (SRD) module is provided. The method includes engaging a wafer in a process plane, spinning the wafer in the process plane, and cleaning a top surface and a bottom surface of the wafer while spinning the wafer in the process plane. The process plane is configured to define a process angle with a horizontal plane. The process angle is configured to optimize the performance of the SRD module.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: April 18, 2006
    Assignee: Lam Research Corporation
    Inventor: Randolph E. Treur
  • Patent number: 6866051
    Abstract: A megasonic module for substrate processing is provided. Embodiments of the present invention include a tank configured to hold processing fluids in which the substrate is submerged, and a lid configured to mate with and seal the tank. At least two megasonic transducers are positioned within the megasonic module to direct megasonic energy to each of an active surface and a backside surface of the substrate. A pair of drive wheels are configured to receive an edge of the substrate to support and rotate the substrate in a horizontal orientation between the at least two megasonic transducers. The substrate is supported against the pair of drive wheels by a substrate stabilizing arm/wheel which also allows the rotation of the substrate. A drive motor is configured to rotate the pair of drive wheels, and a fluid recirculation system provides for temperature control and use of a plurality of processing fluids.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: March 15, 2005
    Assignee: Lam Research Corporation
    Inventors: Afshin Nickhou, Randolph E. Treur, Michael Ravkin
  • Patent number: 6848194
    Abstract: An apparatus for spin drying a semiconductor wafer includes a hollow core spindle and a chuck assembly having grippers for supporting a wafer at an edge thereof. A sleeve is disposed in the central opening of the spindle and a manifold is disposed in the upper end of the sleeve. A capacitance sensor is affixed to the manifold. In another apparatus, an arm having a capacitance sensor mounted thereon is positioned such that the capacitance sensor is disposed above a space to be occupied by a wafer that is supported by the grippers. An additional apparatus includes an arm having a light source and a detector mounted thereon. The light source directs light toward a surface of a wafer such that light that reflects off of the surface is substantially perpendicular to that surface. The detector is positioned to measure the intensity of the reflected light.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: February 1, 2005
    Assignee: Lam Research Corporation
    Inventor: Randolph E. Treur
  • Patent number: 6827092
    Abstract: An apparatus for preparing a wafer is provided. The apparatus includes a wafer backside plate and a central shaft. The wafer backside plate has a top surface that includes a cylindrical edge lip, which defines a central aperture. The central shaft is designed to fit within the central aperture. The wafer backside plate is designed to automatically slide between an up position during rotational wager processing and a down position when the wafer is not in rotational wafer processing. A gap defined between the top surface of the wafer backside plate and the wafer is less when the wafer backside plate is in the up position than when the wafer backside plate is in the down position.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: December 7, 2004
    Assignee: Lam Research Corporation
    Inventors: Stephen M. Smith, Randolph E. Treur
  • Publication number: 20040200501
    Abstract: A method for processing a wafer in a spin, rinse, and dry (SRD) module is provided. The method includes engaging a wafer in a process plane, spinning the wafer in the process plane, and cleaning a top surface and a bottom surface of the wafer while spinning the wafer in the process plane. The process plane is configured to define a process angle with a horizontal plane. The process angle is configured to optimize the performance of the SRD module.
    Type: Application
    Filed: April 30, 2004
    Publication date: October 14, 2004
    Applicant: LAM RESEARCH CORP.
    Inventor: Randolph E. Treur
  • Publication number: 20040168706
    Abstract: A method for applying acoustic energy to clean a surface of a substrate is provided. The method initiates with generating acoustic energy oriented in a substantially parallel direction to a surface of a semiconductor substrate from a first transducer. Then, a direction of the acoustic energy from the first transducer is altered to a substantially perpendicular direction relative to the surface of the semiconductor substrate. Next, acoustic energy oriented in the substantially parallel direction to the surface of the semiconductor substrate is generated from a second transducer. In one embodiment, an orientation of the reflective surface is modifiable so that the acoustic energy may be delivered at a number of angles relative to the substrate surface. A system for cleaning a substrate and an apparatus are also provided.
    Type: Application
    Filed: February 28, 2003
    Publication date: September 2, 2004
    Applicant: LAM RESEARCH CORPORATION
    Inventors: John M. Boyd, Fred C. Redeker, Randolph E. Treur, William Thie
  • Patent number: 6748961
    Abstract: A wafer preparation module is provided. The wafer preparation module includes an enclosure, which contains wafer engaging rollers. The wafer engaging rollers are oriented at an angle and are designed to spin a wafer at an angle during preparation.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: June 15, 2004
    Assignee: Lam Research Corporation
    Inventor: Randolph E. Treur
  • Publication number: 20030110658
    Abstract: An apparatus for spin drying a semiconductor wafer includes a hollow core spindle and a chuck assembly having grippers for supporting a wafer at an edge thereof. A sleeve is disposed in the central opening of the spindle and a manifold is disposed in the upper end of the sleeve. A capacitance sensor is affixed to the manifold. In another apparatus, an arm having a capacitance sensor mounted thereon is positioned such that the capacitance sensor is disposed above a space to be occupied by a wafer that is supported by the grippers. Yet another apparatus includes an arm having a light source and a detector mounted thereon. The light source directs light toward a surface of a wafer such that light that reflects off of the surface is substantially perpendicular to that surface. The detector is positioned to measure the intensity of the reflected light.
    Type: Application
    Filed: January 28, 2003
    Publication date: June 19, 2003
    Applicant: Lam Research Corporation
    Inventor: Randolph E. Treur
  • Patent number: 6578853
    Abstract: A chuck assembly for use in a substrate spin, rinse, and dry (SRD) module is provided. The chuck assembly includes a wedge, a chuck body, and a plurality of grippers. The wedge has a sidewall and is designed to move from a lower position to an upper position and from the upper position to the lower position thus opening and closing the chuck assembly, respectively. The chuck body has a cylindrical shape and is designed to include a plurality of linkage arms. The chuck body is designed to enclose the wedge such that each linkage arm is substantially in contact with the sidewall of the wedge. The cylindrical shape of the chuck body is designed to reduce air disturbance around a surface of a substrate. The plurality of grippers are designed to be coupled to the chuck body via a plurality of rotation pins.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: June 17, 2003
    Assignee: Lam Research Corporation
    Inventors: Randolph E. Treur, Stephen M. Smith
  • Patent number: 6558964
    Abstract: In one method for monitoring a semiconductor wafer during a spin drying operation, a capacitance value between a capacitance sensor and the wafer is measured as the wafer is being spun to dry a surface thereof. When it is determined that the measured capacitance value has reached a substantially constant level, a signal is generated indicating that the surface of the semiconductor wafer is dry. In another method, light is directed toward a surface of the wafer as the wafer is being spun to dry a surface thereof. The light is directed such that the light that reflects off of the surface of the wafer is substantially perpendicular to the surface of the wafer. The intensity of the light reflected off of the surface of the semiconductor wafer is measured.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: May 6, 2003
    Assignee: Lam Research Corporation
    Inventor: Randolph E. Treur
  • Publication number: 20030015224
    Abstract: A fluid delivery module for use in preparing a substrate is provided. The fluid delivery module includes a process bowl designed to contain a substrate to be prepared. The process bowl has a bottom wall and a sidewall. The fluid delivery module further includes a fluid delivery ring configured to be attached to the sidewall of the process bowl. The fluid delivery ring includes a plurality of inlet and outlet pairs. Each of the plurality of inlet and outlet pairs is defined in the fluid ring and is designed to receive a respective supply tube. Each respective supply tube has an end that terminates at each of the outlets of the fluid delivery ring and is configured to direct fluid onto a surface of the substrate.
    Type: Application
    Filed: September 19, 2002
    Publication date: January 23, 2003
    Applicant: LAM RESEARCH CORP.
    Inventors: Stephen M. Smith, Randolph E. Treur
  • Patent number: 6488568
    Abstract: An optical endpoint system for a CMP system with a viewport located off-center on the platen, said view port being adjustable in height so that the window of the viewport can be made flush with the top of the polishing pad.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: December 3, 2002
    Assignee: Lam Research Corporation
    Inventors: Randolph E. Treur, John M. Boyd, Stephan H. Wolf
  • Patent number: 6481447
    Abstract: A fluid delivery module for use in preparing a substrate is provided. The fluid delivery module includes a process bowl designed to contain a substrate to be prepared. The process bowl has a bottom wall and a sidewall. The fluid delivery module further includes a fluid delivery ring configured to be attached to the sidewall of the process bowl. The fluid delivery ring includes a plurality of inlet and outlet pairs. Each of the plurality of inlet and outlet pairs is defined in the fluid ring and is designed to receive a respective supply tube. Each respective supply tube has an end that terminates at each of the outlets of the fluid delivery ring and is configured to direct fluid onto a surface of the substrate.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: November 19, 2002
    Assignee: Lam Research Corporation
    Inventors: Stephen M. Smith, Randolph E. Treur
  • Publication number: 20020139389
    Abstract: A wafer preparation module is provided. The wafer preparation module includes an enclosure, which contains wafer engaging rollers. The wafer engaging rollers are oriented at an angle and are designed to spin a wafer at an angle during preparation.
    Type: Application
    Filed: March 30, 2001
    Publication date: October 3, 2002
    Inventor: Randolph E. Treur
  • Publication number: 20020081942
    Abstract: In one method for monitoring a semiconductor wafer during a spin drying operation, a capacitance value between a capacitance sensor and the wafer is measured as the wafer is being spun to dry a surface thereof. When it is determined that the measured capacitance value has reached a substantially constant level, a signal is generated indicating that the surface of the semiconductor wafer is dry. In another method, light is directed toward a surface of the wafer as the wafer is being spun to dry a surface thereof. The light is directed such that the light that reflects off of the surface of the wafer is substantially perpendicular to the surface of the wafer. The intensity of the light reflected off of the surface of the semiconductor wafer is measured.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventor: Randolph E. Treur