Patents by Inventor Francisco Javier Santos Rodriguez

Francisco Javier Santos Rodriguez 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: 20190337069
    Abstract: A method of yielding a thinner product wafer from a thicker base SiC wafer cut from a SiC ingot includes: supporting the base SiC wafer with a support substrate: and while the base SiC wafer is supported by the support substrate, cutting through the base SiC wafer in a direction parallel to a first main surface of the base SiC wafer using a wire as part of a wire electrical discharge machining (WEDM) process, to separate the product wafer from the base SiC wafer, the product wafer being attached to the support substrate when cut from the base SiC wafer.
    Type: Application
    Filed: May 4, 2018
    Publication date: November 7, 2019
    Inventors: Nirdesh Ojha, Francisco Javier Santos Rodriguez, Roland Rupp, Markus Heinrici, Karin Delalut, Claudia Friza
  • Patent number: 10461056
    Abstract: In various embodiments, a chip package is provided. The chip package may include a chip, a metal contact structure including a non-noble metal and electrically contacting the chip, a packaging material, and a protective layer including or essentially consisting of a portion formed at an interface between a portion of the metal contact structure and the packaging material, wherein the protective layer may include a noble metal, wherein the portion of the protective layer may include a plurality of regions free from the noble metal, and wherein the regions free from the noble metal may provide an interface between the packaging material and the non-noble metal of the metal contact structure.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: October 29, 2019
    Assignee: Infineon Technologies AG
    Inventors: Joachim Mahler, Michael Bauer, Jochen Dangelmaier, Reimund Engl, Johann Gatterbauer, Frank Hille, Michael Huettinger, Werner Kanert, Heinrich Koerner, Brigitte Ruehle, Francisco Javier Santos Rodriguez, Antonio Vellei
  • Publication number: 20190296125
    Abstract: A method includes providing a first layer of epitaxial silicon carbide supported by a silicon carbide substrate, providing a second layer of epitaxial silicon carbide on the first layer, forming a plurality of semiconductor devices in the second layer, and separating the substrate from the second layer at the first layer. The first layer includes a plurality of voids.
    Type: Application
    Filed: March 21, 2019
    Publication date: September 26, 2019
    Inventors: Hans-Joachim Schulze, Roland Rupp, Francisco Javier Santos Rodriguez
  • Publication number: 20190295855
    Abstract: A method of structuring and/or thinning a semiconductor wafer having a plurality of functional chip sites includes forming one or more semiconductor devices in a device region of each functional chip site at a frontside of the semiconductor wafer, and forming an electrode at one of the frontside or a backside of the semiconductor wafer. The side of the semiconductor wafer at which the electrode is formed is structured by applying voltage pulses between the electrode and a tool electrode positioned above the semiconductor wafer as part of an electrical discharge machining (EDM) process before the electrode is removed by the EDM process, and between the tool electrode and an intrinsic conductive layer formed on the side of the semiconductor wafer being structured after the electrode is removed by the EDM process.
    Type: Application
    Filed: March 26, 2018
    Publication date: September 26, 2019
    Inventors: Nirdesh Ojha, Francisco Javier Santos Rodriguez
  • Publication number: 20190157435
    Abstract: A method of manufacturing a semiconductor device includes forming a profile of net doping in a drift zone of a semiconductor body by multiple irradiations with protons and generating hydrogen-related donors by annealing the semiconductor body. At least 50% of a vertical extension of the drift zone between first and second sides of the semiconductor body is undulated and includes multiple doping peak values between 1×1013 cm?3 and 5×1014 cm?3.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 23, 2019
    Inventors: Elmar Falck, Andreas Haertl, Manfred Pfaffenlehner, Francisco Javier Santos Rodriguez, Daniel Schloegl, Hans-Joachim Schulze, Andre Stegner, Johannes Georg Laven
  • Patent number: 10276656
    Abstract: Epitaxy troughs are formed in a semiconductor substrate, wherein a matrix section of the semiconductor substrate laterally separates the epitaxy troughs and comprises a first semiconductor material. Crystalline epitaxy regions of a second semiconductor material are formed in the epitaxy troughs, wherein the second semiconductor material differs from the first semiconductor material in at least one of porosity, impurity content or defect density. From the epitaxy regions at least main body portions of semiconductor bodies of the semiconductor devices are formed.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: April 30, 2019
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Frank Hille, Andre Brockmeier, Francisco Javier Santos Rodriguez, Daniel Schloegl, Hans-Joachim Schulze
  • Publication number: 20190123186
    Abstract: A power semiconductor device includes an active cell region with a drift region, and IGBT cells at least partially arranged within the active cell region. Each IGBT cell includes at least one trench extending into the drift region along a vertical direction, an edge termination region surrounding the active cell region, and a transition region arranged between the active cell region and the edge termination region. The transition region has a width along a lateral direction from the active cell region towards the edge termination region. At least some of the IGBT cells are arranged within, or, respectively, extend into the transition region. An electrically floating barrier region of each IGBT cell is arranged within the active cell region and in contact with at least some of the trenches of the IGBT cells. The electrically floating barrier region does not extend into the transition region.
    Type: Application
    Filed: October 23, 2018
    Publication date: April 25, 2019
    Inventors: Alexander Philippou, Markus Bina, Matteo Dainese, Christian Jaeger, Johannes Georg Laven, Francisco Javier Santos Rodriguez, Antonio Vellei, Caspar Leendertz, Christian Philipp Sandow
  • Publication number: 20190123185
    Abstract: A method of processing a semiconductor device includes: providing a semiconductor body with a drift region; forming trenches extending into the semiconductor body along a vertical direction and arranged adjacent to each other along a first lateral direction; providing a mask arrangement having a lateral structure so that some of the trenches are exposed and at least one of the trenches is covered by the mask arrangement along the first lateral direction; subjecting the semiconductor body and the mask arrangement to a dopant material providing step to form a plurality of doping regions of a second conductivity type below bottoms of the exposed trenches; removing the mask arrangement; subjecting the semiconductor body to a temperature annealing step so that the doping regions extend in parallel to the first lateral direction and overlap to form a barrier region of the second conductivity type adjacent to the bottoms of the exposed trenches.
    Type: Application
    Filed: October 23, 2018
    Publication date: April 25, 2019
    Inventors: Antonio Vellei, Markus Bina, Matteo Dainese, Christian Jaeger, Johannes Georg Laven, Alexander Philippou, Francisco Javier Santos Rodriguez
  • Patent number: 10256097
    Abstract: A semiconductor device includes a silicon carbide semiconductor body and a metal contact structure. Interface particles including a silicide kernel and a carbon cover on a surface of the silicide kernel are formed directly between the silicon carbide semiconductor body and the metal contact structure. Between neighboring ones of the interface particles, the metal contact structure directly adjoins the silicon carbide semiconductor body.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: April 9, 2019
    Assignee: Infineon Technologies AG
    Inventors: Ravi Keshav Joshi, Romain Esteve, Roland Rupp, Francisco Javier Santos Rodriguez, Gerald Unegg
  • Publication number: 20190078211
    Abstract: A CVD reactor, including a deposition chamber housing a first susceptor and a second susceptor, the first susceptor having a cavity for receiving a first substrate, the first substrate having a front surface and a back surface, the second susceptor having a cavity for receiving a second substrate, the second substrate having a front surface and a back surface, and the first susceptor and the second susceptor are disposed so that the front surface of the first substrate is opposite to the front surface of the second substrate thereby forming a portion of a gas flow channel.
    Type: Application
    Filed: September 11, 2017
    Publication date: March 14, 2019
    Inventors: Matthias Kuenle, Johannes Baumgartl, Manfred Engelhardt, Christian Illemann, Francisco Javier Santos Rodriguez, Olaf Storbeck
  • Patent number: 10211325
    Abstract: A semiconductor device includes a semiconductor body having opposite first and second sides. The semiconductor device further includes a drift zone in the semiconductor body between the second side and a pn junction. A profile of net doping of the drift zone along at least 50% of a vertical extension of the drift zone between the first and second sides is undulated and includes doping peak values between 1×1013 cm?3 and 5×1014 cm?3. A device blocking voltage Vbr is defined by a breakdown voltage of the pn junction between the drift zone and a semiconductor region of opposite conductivity type that is electrically coupled to the first side of the semiconductor body.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: February 19, 2019
    Assignee: Infineon Technologies AG
    Inventors: Elmar Falck, Andreas Haertl, Manfred Pfaffenlehner, Francisco Javier Santos Rodriguez, Daniel Schloegl, Hans-Joachim Schulze, Andre Stegner, Johannes Georg Laven
  • Publication number: 20190023600
    Abstract: An array of glass members is arranged in a glass substrate includes a plurality of depressions formed in a first main surface of the glass substrate, and a plurality of openings formed in a second main surface of the glass substrate.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 24, 2019
    Inventors: Andre Brockmeier, Alexander Breymesser, Carsten Von Koblinski, Francisco Javier Santos Rodriguez, Peter Zorn
  • Patent number: 10170497
    Abstract: According to various embodiments, an electronic device may include a carrier including at least a first region and a second region being laterally adjacent to each other; an electrically insulating structure arranged in the first region of the carrier, wherein the second region of the carrier is free of the electrically insulating structure; a first electronic component arranged in the first region of the carrier over the electrically insulating structure; a second electronic component arranged in the second region of the carrier; wherein the electrically insulating structure includes one or more hollow chambers, wherein the sidewalls of the one or more hollow chambers are covered with an electrically insulating material.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: January 1, 2019
    Inventors: Thoralf Kautzsch, Alessia Scire, Steffen Bieselt, Franz Hirler, Anton Mauder, Wolfgang Scholz, Hans-Joachim Schulze, Francisco Javier Santos Rodriguez
  • Publication number: 20180330981
    Abstract: According to various embodiments, a method includes: providing a substrate having a first side and a second side opposite the first side; forming a buried layer in and/or over the substrate by implanting a chemical element having a greater electronegativity than the substrate into the first side of the substrate by ion implantation; and thinning the substrate from the second side of the substrate, wherein the buried layer comprises a solid state compound having a greater resistance to the thinning than the substrate and wherein the thinning stops at the buried layer.
    Type: Application
    Filed: July 11, 2018
    Publication date: November 15, 2018
    Inventors: Roland Rupp, Hans-Joachim Schulze, Francisco Javier Santos Rodriguez, Iris Moder, Ingo Muri
  • Patent number: 10112861
    Abstract: A method of manufacturing a plurality of glass members comprises bringing a first main surface of a glass substrate in contact with a first working surface of a first mold substrate, the first working surface being provided with a plurality of first protruding portions, and bringing a second main surface of the glass substrate in contact with a second working surface of a second mold substrate, the second working surface being provided with a plurality of second protruding portions. The method further comprises controlling a temperature of the glass substrate to a temperature above a glass-transition temperature to form the plurality of glass members, removing the first and the second mold substrates from the glass substrate, and separating adjacent ones of the plurality of glass members.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: October 30, 2018
    Assignee: Infineon Technologies AG
    Inventors: Andre Brockmeier, Alexander Breymesser, Carsten Von Koblinski, Francisco Javier Santos Rodriguez, Peter Zorn
  • Publication number: 20180265354
    Abstract: A semiconductor element is formed in a mesa portion of a semiconductor substrate. A cavity is formed in a working surface of the semiconductor substrate. The semiconductor substrate is brought in contact with a glass piece made of a glass material and having a protrusion. The glass piece and the semiconductor substrate are arranged such that the protrusion extends into the cavity. The glass piece is bonded to the semiconductor substrate. The glass piece is in-situ bonded to the semiconductor substrate by pressing the glass piece against the semiconductor substrate. During the pressing a temperature of the glass piece exceeds a glass transition temperature and the temperature and a force exerted on the glass piece are controlled to fluidify the glass material and after re-solidifying the protrusion completely fills the cavity.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 20, 2018
    Inventors: Alexander Breymesser, Andre Brockmeier, Carsten von Koblinski, Francisco Javier Santos Rodriguez
  • Publication number: 20180261487
    Abstract: A wafer arrangement in accordance with various embodiments may include: a wafer; and a wafer support ring, wherein the wafer and the wafer support ring are configured to be releasably coupled to one another so that the wafer support ring can be uncoupled from the wafer without causing damage to the wafer or the wafer support ring.
    Type: Application
    Filed: April 12, 2018
    Publication date: September 13, 2018
    Inventors: Francisco Javier SANTOS RODRIGUEZ, Gerald LACKNER, Josef UNTERWEGER
  • Patent number: 10049914
    Abstract: According to various embodiments, a method may include: providing a substrate having a first side and a second side opposite the first side; forming a buried layer at least one of in or over the substrate by processing the first side of the substrate; thinning the substrate from the second side of the substrate, wherein the buried layer includes a solid state compound having a greater resistance to the thinning than the substrate and wherein the thinning stops at the buried layer.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: August 14, 2018
    Assignee: Infineon Technologies AG
    Inventors: Roland Rupp, Hans-Joachim Schulze, Francisco Javier Santos Rodriguez, Iris Moder, Ingo Muri
  • Patent number: 10049912
    Abstract: A method of manufacturing a semiconductor device includes forming a frame trench extending from a first surface into a base substrate, forming, in the frame trench, an edge termination structure comprising a glass structure, forming a conductive layer on the semiconductor substrate and the edge termination structure, and removing a portion of the conductive layer above the edge termination structure. A remnant portion of the conductive layer forms a conductive structure that covers a portion of the edge termination structure directly adjoining a sidewall of the frame trench.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: August 14, 2018
    Assignee: Infineon Technologies AG
    Inventors: Alexander Breymesser, Andre Brockmeier, Elmar Falck, Francisco Javier Santos Rodriguez, Holger Schulze
  • Publication number: 20180226471
    Abstract: Epitaxy troughs are formed in a semiconductor substrate, wherein a matrix section of the semiconductor substrate laterally separates the epitaxy troughs and comprises a first semiconductor material. Crystalline epitaxy regions of a second semiconductor material are formed in the epitaxy troughs, wherein the second semiconductor material differs from the first semiconductor material in at least one of porosity, impurity content or defect density. From the epitaxy regions at least main body portions of semiconductor bodies of the semiconductor devices are formed.
    Type: Application
    Filed: January 31, 2018
    Publication date: August 9, 2018
    Inventors: Frank Hille, Andre Brockmeier, Francisco Javier Santos Rodriguez, Daniel Schloegl, Hans-Joachim Schulze