Patents by Inventor Gwo-Chuan Tzu

Gwo-Chuan Tzu 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: 20140251214
    Abstract: Embodiments of heated substrate supports are provided herein, In some embodiments, a heated substrate support includes a support plate having a top surface and an opposite bottom surface; and a first heater disposed within the support plate, wherein the first heater is disposed beneath a mid-plane of the support plate, and wherein the first heater is disposed proximate a central zone of the support plate.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 11, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: OLKAN CUVALCI, GWO-CHUAN TZU, XIAOXIONG YUAN
  • Patent number: 8821637
    Abstract: Embodiments of the invention provide apparatuses for vapor depositing tungsten-containing materials, such as metallic tungsten and tungsten nitride. In one embodiment, a processing chamber is provided which includes a lid assembly containing a lid plate, a showerhead, a mixing cavity, a distribution cavity, and a resistive heating element contained within the lid plate. In one example, the resistive heating element is configured to provide the lid plate at a temperature within a range from about 120° C. to about 180° C., preferably, from about 140° C. to about 160° C., more preferably, from about 145° C. to about 155° C. The mixing cavity may be in fluid communication with a tungsten precursor source containing tungsten hexafluoride and a nitrogen precursor source containing ammonia. In some embodiments, a single processing chamber may be used to deposit metallic tungsten and tungsten nitride materials by CVD processes.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: September 2, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Avgerinos V. Gelatos, Sang-Hyeob Lee, Xiaoxiong Yuan, Salvador P. Umotoy, Yu Chang, Gwo-Chuan Tzu, Emily Renuart, Jing Lin, Wing-Cheong Lai, Sang Q. Le
  • Publication number: 20140217665
    Abstract: Embodiments of substrate supports are provided herein. In some embodiments, a substrate support may include a support plate having a support surface a support plate having a support surface to support a substrate, a support ring to support a substrate at a perimeter of the support surface; and a plurality of first support elements disposed in the support ring, wherein an end portion of each of the first support elements is raised above an upper surface of the support ring to define a gap between the upper surface of the support ring and an imaginary plane disposed on the end portions of plurality of first support elements.
    Type: Application
    Filed: February 1, 2013
    Publication date: August 7, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: OLKAN CUVALCI, JOEL M. HUSTON, GWO-CHUAN TZU
  • Publication number: 20140190411
    Abstract: Embodiments of the invention generally relate to apparatuses for processing substrates. In one embodiment, a substrate processing system is provided and includes a lid having an upper lid surface opposed to a lower lid surface, a plurality of gas inlet passages extending from the upper lid surface to the lower lid surface, a gas manifold disposed on the lid, at least one valve coupled with the gas manifold and configured to control a gas flow through one of the gas inlet passages, wherein the at least one valve is configured to provide an open and close cycle having a time period of less than about 1 second during a gas delivery cycle for enabling an atomic layer deposition process. The substrate processing system further contains a gas reservoir fluidly connected between the gas manifold and at least one precursor source.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 10, 2014
    Applicant: Applied Materials, Inc.
    Inventors: GWO-CHUAN TZU, SALVADOR P. UMOTOY
  • Publication number: 20140144901
    Abstract: Embodiments of substrate supports having a wire mesh plasma containment are provided herein. In some embodiments, a substrate support may include a plate comprising a first surface, an opposing second surface, a thickness bounded by the first and second surfaces, and a first perimetrical surface; a first heater element disposed between the first and second surfaces; a wire mesh disposed between the first and second surfaces; a ground connector mounted to a surface of the plate; at least one electrical connection between the wire mesh and the ground connector; and an elongate shaft comprising a first end and an opposite second end, wherein the plate second surface is mounted to the first end of the shaft.
    Type: Application
    Filed: November 26, 2012
    Publication date: May 29, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: OLKAN CUVALCI, GWO-CHUAN TZU
  • Publication number: 20140008349
    Abstract: Embodiments of substrate supports are provided herein. In some embodiments, a substrate support may include a first aluminum plate for supporting a substrate, the first aluminum plate having a plurality of heating elements embedded therein to provide a plurality of heating zones; a second aluminum plate disposed beneath and supporting the first aluminum plate; a third aluminum plate disposed beneath and supporting the second aluminum plate; a non-metallic ring disposed atop the first aluminum plate; and a plurality of spacers having an upper portion disposed above a surface of the first aluminum plate, wherein the non-metallic ring and the plurality of spacers support the substrate above the first aluminum plate.
    Type: Application
    Filed: July 3, 2012
    Publication date: January 9, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: GWO-CHUAN TZU, OLKAN CUVALCI, YU CHANG, XIAOXIONG YUAN
  • Patent number: 8618446
    Abstract: Apparatus for processing a substrate are provided herein. In some embodiments, a substrate support includes a substrate support surface and a shaft; an RF electrode disposed in the substrate support proximate the substrate support surface to receive RF current from an RF source; a heater disposed proximate the substrate support surface to provide heat to a substrate when disposed on the substrate support surface, the heater having one or more conductive lines to provide power to the heater; a thermocouple to measure the temperature of a substrate when disposed on the substrate support surface; and a conductive element having an interior volume with the one or more conductive lines and the thermocouple disposed through the interior volume, the conductive element coupled to the RF electrode and having an electric field of about zero in the interior volume when RF current is flowed through the conductive element.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: December 31, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Yu Chang, Gwo-Chuan Tzu, Anqing Cui, William W. Kuang, Olkan Cuvalci
  • Publication number: 20130247826
    Abstract: In some embodiments, an apparatus for variable substrate temperature control may include a heater moveable along a central axis of a substrate support; a seal ring disposed about the heater, the seal ring configured to interface with a shadow ring disposed above the heater to form a seal; a plurality of spacer pins configured to support a substrate and disposed within a plurality of through holes formed in the heater, the plurality of spacer pins moveable parallel to the central axis, wherein the plurality of spacer pins control a first distance between the substrate and the heater and a second distance between the substrate and the shadow ring; and a resilient element disposed beneath the seal ring to bias the seal ring toward a backside surface of the heater.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 26, 2013
    Applicant: APPLIED MATERIALS, INC.
    Inventors: GWO-CHUAN TZU, XIAOXIONG YUAN, AMIT KHANDELWAL, AVGERINOS V. GELATOS, OLKAN CUVALCI, KAI WU, MICHAEL P. KARAZIM
  • Publication number: 20130001215
    Abstract: Apparatus for processing a substrate are provided herein. In some embodiments, a substrate support includes a substrate support surface and a shaft; an RF electrode disposed in the substrate support proximate the substrate support surface to receive RF current from an RF source; a heater disposed proximate the substrate support surface to provide heat to a substrate when disposed on the substrate support surface, the heater having one or more conductive lines to provide power to the heater; a thermocouple to measure the temperature of a substrate when disposed on the substrate support surface; and a conductive element having an interior volume with the one or more conductive lines and the thermocouple disposed through the interior volume, the conductive element coupled to the RF electrode and having an electric field of about zero in the interior volume when RF current is flowed through the conductive element.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: APPLIED MATERIALS, INC.
    Inventors: YU CHANG, GWO-CHUAN TZU, ANQING CUI, WILLIAM W. KUANG, OLKAN CUVALCI
  • Patent number: 8342119
    Abstract: The invention provides a removable first edge ring configured for pin and recess/slot coupling with a second edge ring disposed on the substrate support. In one embodiment, a first edge ring includes a plurality of pins, and a second edge ring includes one or more alignment recesses and one or more alignment slots for mating engagement with the pins. Each of the alignment recesses and alignment slots are at least as wide as the corresponding pins, and each of the alignment slots extends in the radial direction a length that is sufficient to compensate for the difference in thermal expansion between the first edge ring and the second edge ring.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: January 1, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Joseph Yudovsky, Lawrence C. Lei, Salvador Umotoy, Tom Madar, Girish Dixit, Gwo-Chuan Tzu
  • Publication number: 20120003388
    Abstract: A substrate support may include a body; an inner ring disposed about the body; an outer ring disposed about the inner ring forming a first opening therebetween; a first seal ring disposed above the first opening; a shadow ring disposed above the inner ring, extending inward from the outer ring and forming a second opening between the shadow and outer rings; a second seal ring disposed above the second opening; a space at least partially defined by the body and the inner, outer, first, second, and shadow rings; a first gap defined between a processing surface of a substrate when present and the shadow ring; and a plurality of second gaps fluidly coupled to the space; wherein the first gap and the plurality of second gaps are configured such that, when a substrate is present, a gas provided to the space flows out of the space through the first gap.
    Type: Application
    Filed: June 27, 2011
    Publication date: January 5, 2012
    Applicant: APPLIED MATERIALS, INC.
    Inventors: GWO-CHUAN TZU, XIAOXIONG YUAN, AMIT KHANDELWAL, BENJAMIN CHENG WANG, AVGERINOS V. GELATOS, KAI WU, MICHAEL P. KARAZIM, JING LIN, OLKAN CUVALCI
  • Publication number: 20110114020
    Abstract: Embodiments of the invention generally relate to apparatuses for processing substrates. In one embodiment, a substrate processing system for sequential deposition or atomic layer deposition (ALD) is provided and includes a lid assembly coupled with a chamber housing, wherein the lid assembly contains a lid having a plurality of controllable flow channels extending from an upper lid surface, through the lid, and to a lower lid surface, a gas manifold disposed on the lid, and at least one valve coupled with the gas manifold and adapted to control a gas flow through one of the controllable flow channels. The substrate processing system further contains a gas reservoir disposed between a first gas line and a second gas line, and the gas reservoir is fluidly connected to the gas manifold by the second gas line.
    Type: Application
    Filed: January 24, 2011
    Publication date: May 19, 2011
    Inventors: GWO-CHUAN TZU, Salvador P. Umotoy
  • Patent number: 7905959
    Abstract: A lid assembly for a semiconductor processing system is provided. The lid assembly generally includes a lid having first and second opposed surfaces, a plurality of controllable flow channels extending from the first and second opposed surfaces and a gas control system disposed on the first surface and operably opening and closing the channels. The gas control system includes a gas manifold disposed on the lid, at least one valve coupled to the gas manifold and adapted to control a flow through one of the flow channels, a reservoir fluidly connected to the gas manifold, and a precursor source fluidly connected to the reservoir.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: March 15, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Gwo-Chuan Tzu, Salvador P. Umotoy
  • Publication number: 20080202425
    Abstract: Embodiments of the invention provide apparatuses for vapor depositing tungsten-containing materials, such as metallic tungsten and tungsten nitride. In one embodiment, a processing chamber is provided which includes a lid assembly containing a lid plate, a showerhead, a mixing cavity, a distribution cavity, and a resistive heating element contained within the lid plate. In one example, the resistive heating element is configured to provide the lid plate at a temperature within a range from about 120° C. to about 180° C., preferably, from about 140° C. to about 160° C., more preferably, from about 145° C. to about 155° C. The mixing cavity may be in fluid communication with a tungsten precursor source containing tungsten hexafluoride and a nitrogen precursor source containing ammonia. In some embodiments, a single processing chamber may be used to deposit metallic tungsten and tungsten nitride materials by CVD processes.
    Type: Application
    Filed: January 29, 2008
    Publication date: August 28, 2008
    Inventors: Avgerinos V. Gelatos, Sang-Hyeob Lee, Xiaoxiong Yuan, Salvador P. Umotoy, Yu Chang, Gwo-Chuan Tzu, Emily Renuart, Jing Lin, Wing-Cheong Lai, Sang Q. Le
  • Publication number: 20080206987
    Abstract: Embodiments of the invention provide processes for vapor depositing tungsten-containing materials, such as metallic tungsten and tungsten nitride. In one embodiment, a method for forming a tungsten-containing material is provided which includes positioning a substrate within a processing chamber containing a lid plate, heating the lid plate to a temperature within a range from about 120° C. to about 180° C., exposing the substrate to a reducing gas during a pre-nucleation soak process, and depositing a first tungsten nucleation layer on the substrate during a first atomic layer deposition process within the processing chamber. The method further provides depositing a tungsten nitride layer on the first tungsten nucleation layer during a vapor deposition process, depositing a second tungsten nucleation layer on the tungsten nitride layer during a second atomic layer deposition process within the processing chamber, and exposing the substrate to another reducing gas during a post-nucleation soak process.
    Type: Application
    Filed: January 29, 2008
    Publication date: August 28, 2008
    Inventors: Avgerinos V. Gelatos, Sang-Hyeob Lee, Xiaoxiong Yuan, Salvador P. Umotoy, Yu Chang, Gwo-Chuan Tzu, Emily Renuart, Jing Lin, Wing-Cheong Lai, Sang Q. Le
  • Publication number: 20080072823
    Abstract: The invention provides a removable first edge ring configured for pin and recess/slot coupling with a second edge ring disposed on the substrate support. In one embodiment, a first edge ring includes a plurality of pins, and a second edge ring includes one or more alignment recesses and one or more alignment slots for mating engagement with the pins. Each of the alignment recesses and alignment slots are at least as wide as the corresponding pins, and each of the alignment slots extends in the radial direction a length that is sufficient to compensate for the difference in thermal expansion between the first edge ring and the second edge ring.
    Type: Application
    Filed: October 10, 2007
    Publication date: March 27, 2008
    Inventors: Joseph Yudovsky, Lawrence Lei, Salvador Umotoy, Tom Madar, Girish Dixit, Gwo-Chuan Tzu
  • Publication number: 20070040265
    Abstract: A substrate support comprises top, middle and bottom plates which are brazed together. The top plate has a top surface with a plurality of outwardly projecting mesas dispersed across a recessed pocket, a network of recessed grooves, a vacuum port terminating in the recessed grooves, and plurality of gas ports. The middle plate has a plurality of middle feedthroughs aligned to corresponding top feedthroughs of the top plate, and the bottom plate has a plurality of bottom feedthroughs aligned to the middle feedthroughs of the middle plate. The top and middle plates are joined by a first brazed bond layer and the middle and bottom plates are joined by a second brazed bond layer.
    Type: Application
    Filed: August 17, 2006
    Publication date: February 22, 2007
    Applicant: Applied Materials, Inc.
    Inventors: Salvador Umotoy, Lawrence Lei, Gwo-Chuan Tzu, Xiaoxiong Yuan, Michael Jackson, Hymam Lam
  • Publication number: 20060130971
    Abstract: A method and apparatus for processing a substrate is provided. In one aspect, the chamber comprises a chamber body and a support assembly at least partially disposed within the chamber body adapted to support a substrate thereon. The chamber further comprises a lid assembly disposed on an upper surface of the chamber body. The lid assembly includes a top plate and a gas delivery assembly which define a plasma cavity therebetween, wherein the gas delivery assembly is adapted to heat the substrate. A remote plasma source having a U-shaped plasma region is connected to the gas delivery assembly.
    Type: Application
    Filed: May 24, 2005
    Publication date: June 22, 2006
    Inventors: Yu Chang, Gwo-Chuan Tzu, Salvador Umotoy, Chien-Teh Kao, William Kuang, Xiaoxiong Yuan, Mei Chang
  • Publication number: 20050139160
    Abstract: Embodiments of the present invention generally relate to a small volume chamber with a substrate support. One embodiment of a processing chamber includes a first assembly having a substrate support, a pumping ring disposed around a perimeter of the substrate receiving surface, and a gas distribution assembly disposed over the substrate support. The chamber may further include a gas distribution assembly disposed over the substrate support. The first assembly and the gas distribution assembly can be selectively positioned between an open position and a closed position.
    Type: Application
    Filed: February 16, 2005
    Publication date: June 30, 2005
    Inventors: Lawrence Lei, Alfred Mak, Gwo-Chuan Tzu, Avi Tepman, Ming Xi, Walter Glenn
  • Publication number: 20050115675
    Abstract: A lid assembly for a semiconductor processing system is provided. The lid assembly generally includes a lid having first and second opposed surfaces, a plurality of controllable flow channels extending from the first and second opposed surfaces and a gas control system disposed on the first surface and operably opening and closing the channels. The gas control system includes a gas manifold disposed on the lid, at least one valve coupled to the gas manifold and adapted to control a flow through one of the flow channels, a reservoir fluidly connected to the gas manifold, and a precursor source fluidly connected to the reservoir.
    Type: Application
    Filed: November 19, 2004
    Publication date: June 2, 2005
    Inventors: Gwo-Chuan Tzu, Salvador Umotoy