Patents by Inventor Joseph M. Ranish

Joseph M. Ranish 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: 20190385833
    Abstract: Embodiments of the present invention generally relate to simplified, high voltage, tungsten halogen lamps for use as source of heat radiation in a rapid thermal processing (RTP) chamber or other lamp heated thermal processing chambers. Embodiments include a lamp design that includes an external fuse while reducing the number of part and expense of prior art lamps. In addition, embodiments of the lamps described herein provide sufficient rigidity to handle compressive forces of inserting the lamps into a heating assembly base, while maintaining a simplified fuse design.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Inventor: Joseph M. RANISH
  • Publication number: 20190382890
    Abstract: Methods and apparatus for controlling a flow of process material to a deposition chamber.
    Type: Application
    Filed: June 16, 2019
    Publication date: December 19, 2019
    Inventors: ALEXANDER LERNER, ROEY SHAVIV, PHILLIP STOUT, JOSEPH M. RANISH, PRASHANTH KOTHNUR, SATISH RADHAKRISHNAN
  • Patent number: 10486183
    Abstract: Methods and apparatus for delivering process gases to a substrate are provided herein. In some embodiments, an apparatus for processing a substrate may include a gas distribution conduit disposed in a processing volume of a process chamber above a substrate support to distribute a process gas to a processing surface of the substrate when disposed on the substrate support; and an actuator coupled to the gas distribution conduit to move the gas distribution conduit with respect to the substrate support. In some embodiments, a method of processing a substrate may include introducing a process gas to a process chamber through a gas distribution conduit disposed above a substrate having a processing surface; and moving the gas distribution conduit within the process chamber and with respect to the substrate to distribute the process gas across the processing surface of the substrate.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: November 26, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Joseph M. Ranish
  • Patent number: 10468242
    Abstract: Embodiments of apparatus for providing radiant energy in the form of electromagnetic radiation are provided herein. In some embodiments a radiation source for electromagnetic radiation includes a tubular body formed from a material transparent to electromagnetic radiation; a filament disposed within the tubular body; and a reflective coating disposed on a portion of the tubular body to form a reflective portion, wherein the reflective portion is configured to minimize reflection of electromagnetic radiation emanating from the filament during use back to the filament.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: November 5, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Joseph M. Ranish
  • Patent number: 10458040
    Abstract: Embodiments provided herein generally relate to an apparatus for delivering gas to a semiconductor processing chamber. An upper quartz dome of an epitaxial semiconductor processing chamber has a plurality of holes formed therein and precursor gases are provided into a processing volume of the chamber through the holes of the upper dome. Gas delivery tubes extend from the holes in the dome to a flange plate where the tubes are coupled to gas delivery lines. The gas delivery apparatus enables gases to be delivered to the processing volume above a substrate through the quartz upper dome.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: October 29, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Paul Brillhart, Anzhong Chang, Edric Tong, Kin Pong Lo, James Francis Mack, Zhiyuan Ye, Kartik Shah, Errol Antonio C. Sanchez, David K. Carlson, Satheesh Kuppurao, Joseph M. Ranish
  • Patent number: 10453670
    Abstract: Embodiments of the present invention generally relate to simplified, high voltage, tungsten halogen lamps for use as source of heat radiation in a rapid thermal processing (RTP) chamber or other lamp heated thermal processing chambers. Embodiments include a lamp design that includes an external fuse while reducing the number of part and expense of prior art lamps. In addition, embodiments of the lamps described herein provide sufficient rigidity to handle compressive forces of inserting the lamps into a heating assembly base, while maintaining a simplified fuse design.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: October 22, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Joseph M. Ranish
  • Patent number: 10410890
    Abstract: A processing chamber is described. The processing chamber includes a chamber having an interior volume, a light pipe window structure coupled to the chamber, the light pipe window structure having a first transparent plate disposed within the interior volume of the chamber, and a radiant heat source coupled to a second transparent plate of the light pipe window structure in a position outside of the interior volume of the chamber, wherein the light pipe window structure includes a plurality of light pipe structures disposed between the first transparent plate and the second transparent plate.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: September 10, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Joseph M. Ranish, Aaron Muir Hunter, Anzhong Chang
  • Patent number: 10409306
    Abstract: Implementations disclosed herein relate to methods and apparatus for zoned temperature control during a film forming process. In one implementation, a substrate processing apparatus is provided. The substrate processing apparatus comprises a vacuum chamber, a plurality of power supplies coupled with the plurality of thermal laps and a controller that adjusts the power supplies based on input from radiation sensors. The chamber includes a sidewall defining a processing region. A plurality of thermal lamps is positioned external to the processing region. A window is positioned between the plurality of thermal lamps and the processing region. A radiation source is disposed within the sidewall and oriented to direct radiation toward an area proximate a substrate support. A radiation sensor is disposed on the side of the substrate support opposite the plurality of thermal lamps to receive emitted radiation from the radiation source.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: September 10, 2019
    Assignee: Applied Materials, Inc.
    Inventor: Joseph M. Ranish
  • Patent number: 10405375
    Abstract: The embodiments described herein generally relate to a flexible standoff for use with a lamphead assembly in a thermal processing chamber. In one embodiment, the lamphead assembly can include a lamphead with one or more fixed lamphead positions, a lamp bulb, a lamp base with a standoff contact adaptor and a flexible standoff capable of attaching and positioning the lamp assembly. The flexible standoff can include a socket configured to receive a lamp base of a lamp assembly, a housing configured to position a lamp bulb of a lamp assembly in thermal connection with a processing chamber, a contact adaptor configured to electrically connect to a power supply and a conductive material to electrically connect the socket and the contact adaptor.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: September 3, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Joseph M. Ranish, Oleg Serebryanov, Dongming Iu
  • Patent number: 10376916
    Abstract: Methods and apparatus for processing substrates are provided herein. In some embodiments, an apparatus includes a process kit, the process kit comprising a first ring to support a substrate proximate a peripheral edge of the substrate; a second ring disposed about the first ring; and a path formed between the first and second rings that allows the first ring to rotate with respect to the second ring, wherein the path substantially prevents light from travelling between a first volume disposed below the first and second rings and a second volume disposed above the first and second rings.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: August 13, 2019
    Assignee: APPLIED MATERIALS, INC
    Inventors: Joseph M. Ranish, Kailash Patalay
  • Patent number: 10373859
    Abstract: A support ring for semiconductor processing is provided. The support ring includes a ring shaped body defined by an inner edge and an outer edge. The inner edge and outer edge are concentric about a central axis. The ring shaped body further includes a first side, a second side, and a raised annular shoulder extending from the first side of the ring shaped body at the inner edge. The support ring also includes a coating on the first side. The coating has an inner region of reduced thickness region abutting the raised annular shoulder.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 6, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Mehran Behdjat, Norman L. Tam, Aaron Muir Hunter, Joseph M. Ranish, Koji Nakanishi, Toshiyuki Nakagawa
  • Patent number: 10332763
    Abstract: Embodiments of the present disclosure relate to a lamp driver for lamps used as a source of heat radiation in a thermal processing chamber. The lamp driver includes a power source, at least two DC/DC converters, each DC/DC converter connected with the power source in series, a direct connection between the at least two DC/DC converters, and a line that is attached to the direct connection and attachable to a reference voltage. A plurality of the lamp drivers may be utilized to power a plurality of lamps positioned in a grounded lamphead assembly. The electrical potential between the lamps and the grounded lamphead assembly is reduced, which reduces the risk of arcing between the lamps and the lamphead assembly.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: June 25, 2019
    Assignee: APPLIED MATERIALS, INCL
    Inventors: Oleg V. Serebryanov, Alexander Goldin, Joseph M. Ranish
  • Patent number: 10327284
    Abstract: Embodiments of the present disclosure generally relate to optically transparent windows and processing chambers including the same. The optically transparent window includes light-diffusing structures formed thereon. The light diffusing structures may include a scalloped or dimpled surface having protruding or indented features, or a frosted surface. The light-diffusing structures facilitate more uniform heating of substrates by reducing thermal hot spots caused by uneven irradiation by lamps.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: June 18, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Joseph M. Ranish
  • Patent number: 10319579
    Abstract: Embodiments of the present disclosure generally relate to an improved adapter for simplified lamps for use as a source of heat radiation in a rapid thermal processing (RTP) chamber. In one embodiment, a lamp assembly is provided. The lamp element includes a capsule having a filament disposed therein, a press seal coupling to the capsule, and an adapter having a receptacle contoured to receive at least a portion of the press seal, wherein the press seal is removably engaged with the adapter.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: June 11, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Joseph M. Ranish, Oleg V. Serebryanov
  • Patent number: 10306708
    Abstract: Embodiments of the disclosure generally relate to a reflector for use in a thermal processing chamber. In one embodiment, the thermal processing chamber generally includes an upper dome, a lower dome opposing the upper dome, the upper dome and the lower dome defining an internal volume of the processing chamber, a substrate support disposed within the internal volume, and a reflector positioned above and proximate to the upper dome, wherein the reflector has a heat absorptive coating layer deposited on a side of the reflector facing the substrate support.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: May 28, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Kin Pong Lo, Paul Brillhart, Balasubramanian Ramachandran, Satheesh Kuppurao, Daniel Redfield, Joseph M. Ranish, James Francis Mack, Kailash Kiran Patalay, Michael Olsen, Eddie Feigel, Richard Halpin, Brett Vetorino
  • Publication number: 20190127851
    Abstract: Embodiments of the present disclosure generally relate to apparatus and methods for semiconductor processing, more particularly, to a thermal process chamber. The thermal process chamber includes a substrate support, a first plurality of heating elements disposed over or below the substrate support, and a spot heating module disposed over the substrate support. The spot heating module is utilized to provide local heating of cold regions on a substrate disposed on the substrate support during processing. Localized heating of the substrate improves temperature profile, which in turn improves deposition uniformity.
    Type: Application
    Filed: October 25, 2018
    Publication date: May 2, 2019
    Inventors: Shu-Kwan LAU, Koji NAKANISHI, Toshiyuki NAKAGAWA, Zuoming ZHU, Zhiyuan YE, Joseph M. RANISH, Nyi O. MYO, Errol Antonio C. SANCHEZ, Schubert S. CHU
  • Patent number: 10271383
    Abstract: Implementations of the present disclosure provide an adapter for use in a processing chamber. In one implementation, the adapter comprises a hollow body having a first end and a second end opposing the first end, a first block and a second block symmetrically disposed within the hollow body about a longitudinal axis of the body, wherein the first block and the second block define a central opening therebetween, and a retention device disposed in contact with the first and second blocks to confine the movement of the first and second blocks with respect to the hollow body. The central opening is sized so that the first block and the second block provide direct contact with a press seal of the lamp.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: April 23, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Joseph M. Ranish, Aaron Miller, Oleg V. Serebryanov
  • Patent number: 10271382
    Abstract: Embodiments disclosed herein relate to circular lamp arrays for use in a semiconductor processing chamber. Circular lamp arrays utilizing one or more torroidal lamps disposed in a reflective trough and arranged in a concentric circular pattern may provide for improved rapid thermal processing. The reflective troughs, which may house the torroidal lamps, may be disposed at various angles relative to a surface of a substrate being processed.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: April 23, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Joseph M. Ranish
  • Patent number: 10256005
    Abstract: Embodiments of the present disclosure relate to thermal processing of substrates. More specifically, embodiments described herein relate to flash on spike annealing processes and apparatus suitable for performing such processes. In one embodiment, a thermal processing apparatus may include a lamp radiation source, a laser source, and a reflector plate disposed between the lamp radiation source and the laser source. One or more apertures may be formed in the reflector plate and the laser source may be positioned adjacent to the reflector plate such that a laser beam emitted from the laser source propagates through the one or more apertures. In one embodiment, the reflector plate may be substantially circular and the one or more apertures may approximate a sector of the reflector plate.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: April 9, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Joseph M. Ranish, Shashank Sharma, Diwakar N. Kedlaya, Aaron Muir Hunter
  • Publication number: 20190096657
    Abstract: Embodiments of the present invention generally relate to simplified, high voltage, tungsten halogen lamps for use as source of heat radiation in a rapid thermal processing (RTP) chamber or other lamp heated thermal processing chambers. Embodiments include a lamp design that includes an external fuse while reducing the number of part and expense of prior art lamps. In addition, embodiments of the lamps described herein provide sufficient rigidity to handle compressive forces of inserting the lamps into a heating assembly base, while maintaining a simplified fuse design.
    Type: Application
    Filed: September 24, 2018
    Publication date: March 28, 2019
    Inventor: Joseph M. Ranish