Patents by Inventor Allen P. Mardian

Allen P. Mardian 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: 20040000270
    Abstract: CVD, ALD, and other vapor processes used in processing semiconductor workpieces often require volatilizing a liquid or solid precursor. Certain embodiments of the invention provide improved and/or more consistent volatilization rates by moving a reaction vessel. In one exemplary embodiment, a reaction vessel is rotated about a rotation axis which is disposed at an angle with respect to vertical. This deposits a quantity of the reaction precursor on an interior surface of the vessel's sidewall which is exposed to the headspace as the vessel rotates. Other embodiments employ drivers adapted to move the reaction vessel in other manners, such as a pendulum arm to oscillate the vessel along an arcuate path or a mechanical linkage which moves the vessel along an elliptical path.
    Type: Application
    Filed: June 26, 2002
    Publication date: January 1, 2004
    Inventors: Craig M. Carpenter, Ross S. Dando, Dan Gealy, Garo J. Derderian, Allen P. Mardian
  • Publication number: 20030219528
    Abstract: An apparatus for depositing materials onto a micro-device workpiece includes a gas source system configured to provide a first precursor, a second precursor, and a purge gas. The apparatus can also include a valve assembly coupled to the gas source system. The valve assembly is configured to control a flow of the first precursor, a flow the second precursor, and a flow of the purge gas. Another component of the apparatus is a reaction chamber including an inlet coupled to the valve assembly, a workpiece holder in the reaction chamber, and an outlet downstream from the workpiece holder. The apparatus also includes a monitoring system and a controller. The monitoring system comprises a radiation source that directs a selected radiation through the reaction chamber and a detector that senses a parameter of the radiation directed through the reaction chamber. The controller is operatively coupled to the monitoring system and the valve assembly.
    Type: Application
    Filed: May 24, 2002
    Publication date: November 27, 2003
    Inventors: Craig M. Carpenter, Ross S. Dando, Allen P. Mardian
  • Publication number: 20030215569
    Abstract: A chemical vapor deposition apparatus includes a deposition chamber defined at least in part by at least one of a chamber sidewall and a chamber base wall. A substrate holder is received within the chamber. At least one process chemical inlet to the deposition chamber is included. At least one of the chamber sidewall and chamber base wall includes a chamber surface having a plurality of purge gas inlets to the chamber therein. The purge gas inlets are separate from the at least one process chemical inlet. A purge gas inlet passageway is provided in fluid communication with the purge gas inlets. Further implementations, including deposition method implementations, are contemplated.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 20, 2003
    Inventors: Allen P. Mardian, Philip H. Campbell, Craig M. Carpenter, Randy W. Mercil, Sujit Sharan
  • Publication number: 20030200926
    Abstract: A chemical vapor deposition apparatus includes a subatmospheric substrate transfer chamber. A subatmospheric deposition chamber is defined at least in part by a chamber sidewall. A passageway in the chamber sidewall extends from the transfer chamber to the deposition chamber. Semiconductor substrates pass into and out of the deposition chamber through the passageway for deposition processing. A mechanical gate is included within at least one of the deposition chamber and the sidewall passageway, and is configured to open and close at least a portion of the passageway to the chamber. A chamber liner apparatus of a chemical vapor deposition apparatus forms a deposition subchamber within the chamber. At least a portion of the chamber liner apparatus is selectively movable to fully expose and to fully cover the passageway to the chamber.
    Type: Application
    Filed: April 24, 2002
    Publication date: October 30, 2003
    Inventors: Ross S. Dando, Craig M. Carpenter, Philip H. Campbell, Allen P. Mardian
  • Publication number: 20030192477
    Abstract: The invention includes an engagement mechanism for semiconductor substrate deposition process kit hardware, including a body having a distal portion and a proximal portion. The body is sized for movement through a passageway of a semiconductor substrate deposition chamber through which semiconductor substrates pass into and out of the chamber for deposition processing. At least engager is mounted to the distal portion of the body The engager is sized for movement through said passageway with the body. The engager is configured to releasably engage a component of process kit hardware received within said chamber. The invention includes methods of replacing at least a portion of semiconductor substrate deposition process kit hardware. The invention includes methods of depositing materials over a plurality of semiconductor substrates. Other implementations are contemplated.
    Type: Application
    Filed: March 24, 2003
    Publication date: October 16, 2003
    Inventors: Ross S. Dando, Craig M. Carpenter, Philip H. Campbell, Allen P. Mardian, Gurtej S. Sandhu
  • Publication number: 20030194862
    Abstract: The invention includes reactive gaseous deposition precursor feed apparatus and chemical vapor deposition methods. In one implementation, a reactive gaseous deposition precursor feed apparatus includes a gas passageway having an inlet and an outlet. A variable volume accumulator reservoir is joined in fluid communication with the gas passageway. In one implementation, a chemical vapor deposition method includes positioning a semiconductor substrate within a deposition chamber. A first deposition precursor is fed to an inlet of a variable volume accumulator reservoir. With the first deposition precursor therein, volume of the variable volume accumulator reservoir is decreased effective to expel first deposition precursor therefrom into the chamber under conditions effective to deposit a layer on the substrate.
    Type: Application
    Filed: January 10, 2003
    Publication date: October 16, 2003
    Inventors: Allen P. Mardian, Gurtej S. Sandhu
  • Publication number: 20030194829
    Abstract: A method includes removing at least a piece of a deposition chamber liner from a deposition chamber by passing it through a passageway to the deposition chamber through which semiconductor substrates pass into and out of the chamber for deposition processing. A replacement for the removed deposition chamber liner piece is provided into the chamber by passing the replacement through said passageway. A liner apparatus includes a plurality of pieces which when assembled within a selected semiconductor substrate deposition processor chamber are configured to restrict at least a majority portion of all internal wall surfaces which define said semiconductor substrate deposition processor chamber from exposure to deposition material within the chamber. At least some of the pieces are sized for passing completely through a substrate passageway to the chamber through which semiconductor substrates pass into and out of the chamber for deposition processing.
    Type: Application
    Filed: January 23, 2003
    Publication date: October 16, 2003
    Inventors: Craig M. Carpenter, Ross S. Dando, Philip H. Campbell, Allen P. Mardian, Gurtej S. Sandhu
  • Publication number: 20030194861
    Abstract: The invention includes reactive gaseous deposition precursor feed apparatus and chemical vapor deposition methods. In one implementation, a reactive gaseous deposition precursor feed apparatus includes a gas passageway having an inlet and an outlet. A variable volume accumulator reservoir is joined in fluid communication with the gas passageway. In one implementation, a chemical vapor deposition method includes positioning a semiconductor substrate within a deposition chamber. A first deposition precursor is fed to an inlet of a variable volume accumulator reservoir. With the first deposition precursor therein, volume of the variable volume accumulator reservoir is decreased effective to expel first deposition precursor therefrom into the chamber under conditions effective to deposit a layer on the substrate.
    Type: Application
    Filed: April 11, 2002
    Publication date: October 16, 2003
    Inventors: Allen P. Mardian, Gurtej S. Sandhu
  • Publication number: 20030183156
    Abstract: The invention includes chemical vapor deposition methods, including atomic layer deposition, and valve assemblies for use with a reactive precursor in semiconductor processing. In one implementation, a chemical vapor deposition method includes positioning a semiconductor substrate within a chemical vapor deposition chamber. A first deposition precursor is fed to a remote plasma generation chamber positioned upstream of the deposition chamber, and a plasma is generated therefrom within the remote chamber and effective to form a first active deposition precursor species. The first species is flowed to the deposition chamber. During the flowing, flow of at least some of the first species is diverted from entering the deposition chamber while feeding and maintaining plasma generation of the first deposition precursor within the remote chamber. At some point, diverting is ceased while feeding and maintaining plasma generation of the first deposition precursor within the remote chamber.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 2, 2003
    Inventors: Ross S. Dando, Gurtej S. Sandhu, Allen P. Mardian
  • Patent number: 6627465
    Abstract: Systems and methods are provided for detecting flow in a mass flow controller (MFC). The position of a gate in the MFC is sensed or otherwise determined to monitor flow through the MFC and to immediately or nearly immediately detect a flow failure. In one embodiment of the present invention, a novel MFC is provided. The MFC includes an orifice, a mass flow control gate, an actuator and a gate position sensor. The actuator moves the control gate to control flow through the orifice. The gate position sensor determines the gate position and/or gate movement to monitor flow and immediately or nearly immediately detect a flow failure. According to one embodiment of the present invention, the gate position sensor includes a transmitter for transmitting a signal and a receiver for receiving the signal such that the receiver provides an indication of the position of the gate based on the signal received.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: September 30, 2003
    Assignee: Micron Technology, inc.
    Inventors: Gurtej Singh Sandhu, Sujit Sharan, Neal R. Rueger, Allen P. Mardian
  • Patent number: 6620253
    Abstract: The invention includes an engagement mechanism for semiconductor substrate deposition process kit hardware, including a body having a distal portion and a proximal portion. The body is sized for movement through a passageway of a semiconductor substrate deposition chamber through which semiconductor substrates pass into and out of the chamber for deposition processing. At least engager is mounted to the distal portion of the body The engager is sized for movement through said passageway with the body. The engager is configured to releasably engage a component of process kit hardware received within said chamber. The invention includes methods of replacing at least a portion of semiconductor substrate deposition process kit hardware. The invention includes methods of depositing materials over a plurality of semiconductor substrates. Other implementations are contemplated.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: September 16, 2003
    Assignee: Micron Technology, Inc.
    Inventors: Ross S. Dando, Craig M. Carpenter, Philip H. Campbell, Allen P. Mardian, Gurtej S. Sandhu
  • Patent number: 6613587
    Abstract: A method includes removing at least a piece of a deposition chamber liner from a deposition chamber by passing it through a passageway to the deposition chamber through which semiconductor substrates pass into and out of the chamber for deposition processing. A replacement for the removed deposition chamber liner piece is provided into the chamber by passing the replacement through said passageway. A liner apparatus includes a plurality of pieces which when assembled within a selected semiconductor substrate deposition processor chamber are configured to restrict at least a majority portion of all internal wall surfaces which define said semiconductor substrate deposition processor chamber from exposure to deposition material within the chamber. At least some of the pieces are sized for passing completely through a substrates passageway to the chamber through which semiconductor substrates pass into and out of the chamber for deposition processing.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: September 2, 2003
    Assignee: Micron Technology, Inc.
    Inventors: Craig M. Carpenter, Ross S. Dando, Philip H. Campbell, Allen P. Mardian, Gurtej S. Sandhu
  • Publication number: 20030159780
    Abstract: A semiconductor substrate processor includes a substrate transfer chamber and a plurality of substrate processing chambers connected therewith. An interfacial structure is received between at least one of the processing chambers and the transfer chamber. The interfacial structure includes a substantially non-metallic, thermally insulative mass of material interposed between the one processing chamber and the transfer chamber. The mass is of sufficient volume to effectively reduce heat transfer from the processing chamber to the transfer chamber than would otherwise occur in the absence of said mass of material. An interfacial structure includes a body having a substrate passageway extending therethrough. The passageway includes walls at least a portion of which are substantially metallic. The body includes material peripheral of the walls which is substantially non-metallic and thermally insulative. The substantially non-metallic material has mounting openings extending at least partially therein.
    Type: Application
    Filed: February 22, 2002
    Publication date: August 28, 2003
    Inventors: Craig M. Carpenter, Ross S. Dando, Allen P. Mardian, Kevin T. Hamer, Raynald B. Cantin, Philip H. Campbell, Kimberly R. Tschepen, Randy W. Mercil
  • Publication number: 20030045011
    Abstract: Systems and methods are provided for detecting flow in a mass flow controller (MFC). The position of a gate in the MFC is sensed or otherwise determined to monitor flow through the MFC and to immediately or nearly immediately detect a flow failure. In one embodiment of the present invention, a novel MFC is provided. The MFC includes an orifice, a mass flow control gate, an actuator and a gate position sensor. The actuator moves the control gate to control flow through the orifice. The gate position sensor determines the gate position and/or gate movement to monitor flow and immediately or nearly immediately detect a flow failure. According to one embodiment of the present invention, the gate position sensor includes a transmitter for transmitting a signal and a receiver for receiving the signal such that the receiver provides an indication of the position of the gate based on the signal received.
    Type: Application
    Filed: August 30, 2001
    Publication date: March 6, 2003
    Inventors: Gurtej Singh Sandhu, Sujit Sharan, Neal R. Rueger, Allen P. Mardian
  • Patent number: 6468925
    Abstract: The invention includes a plasma enhanced chemical vapor deposition reactor, and a plasma enhanced chemical vapor deposition process. In one implementation, a plasma enhanced chemical vapor deposition reactor includes a deposition chamber having an electrically conductive RF powered showerhead support electrode. An electrically conductive gas distributing showerhead is mounted to the RF powered showerhead support electrode. A preformed electrically conductive gasket is interposed between the RF powered showerhead support electrode and the gas distributing showerhead.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: October 22, 2002
    Assignee: Micron Technology, Inc.
    Inventors: Philip H. Campbell, Sujit Sharan, Craig M. Carpenter, Allen P. Mardian
  • Publication number: 20020129768
    Abstract: A chemical vapor deposition (CVD) apparatus includes a deposition chamber defined partly by a chamber wall. The chamber wall has an innermost surface inside the chamber and an outermost surface outside the chamber. The apparatus further includes a valve body having a seat between the innermost and outermost surfaces of the chamber wall. The chamber wall can be a lid and the valve can include a portion of the lid as at least a part of the seat. The valve body can include at least a part of a valve housing between the innermost and outermost surfaces of the chamber wall. Such a valve body can even include a portion of the chamber wall as at least part of the valve housing. The deposition apparatus can further include at least a part of a process chemical inlet to the valve body between the innermost and outermost surfaces of the chamber wall. In one example, the chamber wall can form at least a part of the chemical inlet.
    Type: Application
    Filed: March 15, 2001
    Publication date: September 19, 2002
    Inventors: Craig M. Carpenter, Ross S. Dando, Philip H. Campbell, Allen P. Mardian, Jeff N. Fuss, Randy W. Mercil
  • Publication number: 20020121235
    Abstract: A chemically sensitive warning apparatus capable of changing colors upon contact with a chemical is disclosed. The apparatus preferably comprises an elongated tape having opposed, first and second major surfaces and warning indicia visible to an individual viewing the first surface to provide visual indication of possible danger or hazardous condition. Mounted to the tape is at least one chemical indicator that is responsive to the presence of at least one chemical by changing colors so as to provide a visual indication of the exposure of the indicator to the chemical. The tape may also include at least one color reference indicia to facilitate interpretation of the color of the chemical indicator when the chemical indicator changes color upon exposure to the chemical.
    Type: Application
    Filed: March 1, 2001
    Publication date: September 5, 2002
    Applicant: Micron Technology, Inc.
    Inventors: Craig M. Carpenter, Allen P. Mardian, Philip H. Campbell, Ross S. Dando
  • Patent number: 6412437
    Abstract: The invention includes a plasma enhanced chemical vapor deposition reactor, and a plasma enhanced chemical vapor deposition process. In one implementation, a plasma enhanced chemical vapor deposition reactor includes a deposition chamber having an electrically conductive RF powered showerhead support electrode. An electrically conductive gas distributing showerhead is mounted to the RF powered showerhead support electrode. A preformed electrically conductive gasket is interposed between the RF powered showerhead support electrode and the gas distributing showerhead.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: July 2, 2002
    Assignee: Micron Technology, Inc.
    Inventors: Philip H. Campbell, Sujit Sharan, Craig M. Carpenter, Allen P. Mardian
  • Publication number: 20020048963
    Abstract: The invention includes a plasma enhanced chemical vapor deposition reactor, and a plasma enhanced chemical vapor deposition process. In one implementation, a plasma enhanced chemical vapor deposition reactor includes a deposition chamber having an electrically conductive RF powered showerhead support electrode. An electrically conductive gas distributing showerhead is mounted to the RF powered showerhead support electrode. A preformed electrically conductive gasket is interposed between the RF powered showerhead support electrode and the gas distributing showerhead.
    Type: Application
    Filed: November 26, 2001
    Publication date: April 25, 2002
    Inventors: Philip H. Campbell, Sujit Sharan, Craig M. Carpenter, Allen P. Mardian