Patents by Inventor Jan Schroers

Jan Schroers 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: 8916087
    Abstract: A very low pressure gas or blow forming process for shaping a bulk metallic glass (BMG) in its supercooled liquid state that avoids the fractional stick forces experienced by conventional shaping techniques by engineering the expansion of a pre-shape or parison of BMG material such that substantially all of the lateral strain required to form the final article is accomplished prior to the outer surface of the parison contacting the surface of the shaping apparatus is provided. The capability offered by the inventive shaping process to avoid the frictional forces exerted by the shaping apparatus surface allows for the formation of precision net-shape complex multi-scale parts and components using processing conditions inaccessible by conventional processes.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: December 23, 2014
    Assignee: Yale University
    Inventors: Jan Schroers, Thomas Mackenzie Hodges
  • Patent number: 8882940
    Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: November 11, 2014
    Assignee: Crucible Intellectual Property, LLC
    Inventors: William Johnson, Jan Schroers
  • Patent number: 8828155
    Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 9, 2014
    Assignee: Crucible Intellectual Property, LLC
    Inventors: William Johnson, Jan Schroers
  • Publication number: 20140238574
    Abstract: A mold structure having high-precision multi-dimensional components includes: depositing an oxide layer on a top surface of a plurality of semiconductor substrates, patterning a design integrated in one or more of the oxide layers; repositioning the substrates to enable the oxide layers make contact with one another; bonding in sequential order the repositioned substrates using a dielectric bonding, forming a three dimension (3D) mold; filling the 3D mold with filling material and removing the overburden filling material present on a top surface of the component.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 28, 2014
    Applicants: Yale University, International Business Machines Corporation
    Inventors: Emily R. Kinser, Jan Schroers, Golden Kumar
  • Publication number: 20140186648
    Abstract: The present invention relates to materials, methods and apparatuses for performing imprint lithography using amorphous metallic materials. The amorphous metallic materials can be employed as imprint media and thermoplastic forming processes are applied during the pattern transfer procedure to produce micron scale and nanoscale patterns in the amorphous metallic layer. The pattern transfer is in the form of direct mask embossing or through a serial nano-indentation process. A rewriting process is also disclosed, which involves an erasing mechanism that is accomplished by means of a second thermoplastic forming process. The amorphous metallic materials may also be used directly as an embossing mold in imprint lithography to allow high volume imprint nano-manufacturing. This invention also comprises of a method of smoothening surfaces under the action of the surface tension alone.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 3, 2014
    Applicant: Yale University
    Inventors: Jan Schroers, Golden Kumar, Hongxing Tang
  • Patent number: 8641839
    Abstract: The present invention relates to materials, methods and apparatuses for performing imprint lithography using amorphous metallic materials. The amorphous metallic materials can be employed as imprint media and thermoplastic forming processes are applied during the pattern transfer procedure to produce micron scale and nanoscale patterns in the amorphous metallic layer. The pattern transfer is in the form of direct mask embossing or through a serial nano-indentation process. A rewriting process is also disclosed, which involves an erasing mechanism that is accomplished by means of a second thermoplastic forming process. The amorphous metallic materials may also be used directly as an embossing mold in imprint lithography to allow high volume imprint nano-manufacturing. This invention also comprises of a method of smoothening surfaces under the action of the surface tension alone.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: February 4, 2014
    Assignee: Yale University
    Inventors: Jan Schroers, Golden Kumar, Hongxing Tang
  • Publication number: 20130306262
    Abstract: A very low pressure gas or blow forming process for shaping a bulk metallic glass (BMG) in its supercooled liquid state that avoids the frictional stick forces experienced by conventional shaping techniques by engineering the expansion of a pre-shape or parison of BMG material such that substantially all of the lateral strain required to form the final article is accomplished prior to the outer surface of the parison contacting the surface of the shaping apparatus is provided. The capability offered by the inventive shaping process to avoid the frictional forces exerted by the shaping apparatus surface allows for the formation of precision net-shape complex multi-scale parts and components using processing conditions inaccessible by conventional processes.
    Type: Application
    Filed: July 29, 2013
    Publication date: November 21, 2013
    Applicant: YALE UNIVERSITY
    Inventors: Jan Schroers, Thomas MacKenzie Hodges
  • Publication number: 20130299048
    Abstract: Compositions for forming Au-based bulk-solidifying amorphous alloys are provided. The Au-based bulk-solidifying amorphous alloys of the current invention are based on ternary Au—Cu—Si alloys, and the extension of this ternary system to higher order alloys by the addition of one or more alloying elements. Additional substitute elements are also provided, which allow for the tailoring of the physical properties of the Au-base bulk-solidifying amorphous alloys of the current invention.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Inventors: Jan SCHROERS, Atakan PEKER
  • Patent number: 8501087
    Abstract: Compositions for forming Au-based bulk-solidifying amorphous alloys are provided. The Au-based bulk-solidifying amorphous alloys of the current invention are based on ternary Au—Cu—Si alloys, and the extension of this ternary system to higher order alloys by the addition of one or more alloying elements. Additional substitute elements are also provided, which allow for the tailoring of the physical properties of the Au-base bulk-solidifying amorphous alloys of the current invention.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: August 6, 2013
    Assignee: Crucible Intellectual Property, LLC
    Inventors: Jan Schroers, Atakan Peker
  • Publication number: 20130150230
    Abstract: A class of materials has advantageous utility in electrocatalytic applications, e.g., fuel cells. The materials circumvent conventional Pt-based anode poisoning and the agglomeration/dissolution of supported catalysts during long-term operation by exploiting the unique physical and chemical properties of bulk metallic glass to create nanowires for electrocatalytic applications, e.g., fuel cell and battery applications. These amorphous metals can achieve unusual geometries and shapes along multiple length scales. The absence of crystallites, grain boundaries and dislocations in the amorphous structure of bulk metallic glasses results in a homogeneous and isotropic material down to the atomic scale, which displays very high strength, hardness, elastic strain limit and corrosion resistance. The melting temperatures of the disclosed bulk metallic glasses are much lower than the estimated melting temperatures based on interpolation of the alloy constituents making them attractive as highly malleable materials.
    Type: Application
    Filed: August 8, 2011
    Publication date: June 13, 2013
    Applicant: YALE UNIVERSITY
    Inventors: Andre D. Taylor, Jan Schroers
  • Publication number: 20120298266
    Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.
    Type: Application
    Filed: February 1, 2012
    Publication date: November 29, 2012
    Applicant: CRUCIBLE INTELLECTUAL PROPERTY, LLC
    Inventors: William Johnson, Jan Schroers
  • Publication number: 20120125071
    Abstract: Novel molds and methods for Bulk Metallic Glass (BMG) molding using carbon templates obtained from pyrolyzed materials are provided. The method employs the Carbon MEMS (C-MEMS) technique to derive molds of different geometries and dimensions. The resultant carbon structures are stable at very high temperatures and have sufficient mechanical strength to be used as master molds for the thermoplastic forming of BMGs.
    Type: Application
    Filed: March 29, 2010
    Publication date: May 24, 2012
    Inventors: Jan Schroers, Golden Kumar, Marc Madou, Rodrigo Martinez-Duarte
  • Publication number: 20110186183
    Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.
    Type: Application
    Filed: February 22, 2011
    Publication date: August 4, 2011
    Inventors: William JOHNSON, Jan Schroers
  • Publication number: 20110079940
    Abstract: A very low pressure gas or blow forming process for shaping a bulk metallic glass (BMG) in its supercooled liquid state that avoids the fractional stick forces experienced by conventional shaping techniques by engineering the expansion of a pre-shape or parison of BMG material such that substantially all of the lateral strain required to form the final article is accomplished prior to the outer surface of the parison contacting the surface of the shaping apparatus is provided. The capability offered by the inventive shaping process to avoid the frictional forces exerted by the shaping apparatus surface allows for the formation of precision net-shape complex multi-scale parts and components using processing conditions inaccessible by conventional processes.
    Type: Application
    Filed: November 26, 2008
    Publication date: April 7, 2011
    Inventors: Jan Schroers, Thomas M. Hodges
  • Patent number: 7896982
    Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: March 1, 2011
    Assignee: Crucible Intellectual Property, LLC
    Inventors: William Johnson, Jan Schroers
  • Publication number: 20100221333
    Abstract: A pellet with a length/width ratio of less than about 1.4 is provided which comprises a core which comprises a water-soluble carrier and an active ingredient distributed homogeneously therein. The pellet disintegrates, with visually ascertainable loss of the pellet structure, into smaller fragments when the following test is carried out: (a) 200 to 800 mg of pellets are placed into a Petri dish with 0.5 ml of demineralized water. (b) The Petri dish is immediately afterwards fixed to the measuring cylinder holder of a stamping volumeter. (c) After 10 seconds, 30 stamping movements are carried out. (d) Immediately afterwards, the pellets are photographed.
    Type: Application
    Filed: December 21, 2005
    Publication date: September 2, 2010
    Inventors: Burkard Schlutermann, Manfred Kohlmeyer, Jan Schroer
  • Publication number: 20100098967
    Abstract: The present invention relates to materials, methods and apparatuses for performing imprint lithography using amorphous metallic materials. The amorphous metallic materials can be employed as imprint media and thermoplastic forming processes are applied during the pattern transfer procedure to produce micron scale and nanoscale patterns in the amorphous metallic layer. The pattern transfer is in the form of direct mask embossing or through a serial nano-indentation process. A rewriting process is also disclosed, which involves an erasing mechanism that is accomplished by means of a second thermoplastic forming process. The amorphous metallic materials may also be used directly as an embossing mold in imprint lithography to allow high volume imprint nano-manufacturing. This invention also comprises of a method of smoothening surfaces under the action of the surface tension alone.
    Type: Application
    Filed: February 13, 2008
    Publication date: April 22, 2010
    Inventors: Jan Schroers, Golden Kumar, Hongxing Tang
  • Patent number: 7621314
    Abstract: Metallic foams comprising high viscosity materials and apparatuses and methods of manufacturing such foams, and more particularly methods for controllably manufacturing metallic foams from bulk-solidifying amorphous alloys are provided.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: November 24, 2009
    Assignee: California Institute of Technology
    Inventors: Jan Schroers, William L. Johnson, Christopher Thomas Veazey, Marios D. Demetriou
  • Patent number: 7597840
    Abstract: The formation of amorphous porous bodies and in particular to a method of manufacturing such bodies from amorphous particulate materials. The method allows for the control of the volume fraction as well as the spatial and size distribution of gas-formed pores by control of the size distribution of the powder particulates. The method allows for the production of precursors of unlimited size, and because the softened state of the amorphous metals used in the method possesses visco-plastic properties, higher plastic deformations can be attained during consolidation as well as during expansion.
    Type: Grant
    Filed: January 23, 2006
    Date of Patent: October 6, 2009
    Assignee: California Institute of Technology
    Inventors: Marios Demetriou, William L. Johnson, Christopher Thomas Veazey, Jan Schroers
  • Patent number: 7582172
    Abstract: Pt-based bulk-solidifying amorphous alloys and methods of forming articles from Pt-based bulk-solidifying amorphous alloys are provided. The Pt-based alloys of the current invention are based on Pt—Ni—Co—Cu—P alloys.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: September 1, 2009
    Inventors: Jan Schroers, William L. Johnson