Patents by Inventor Andreas Walter

Andreas Walter 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).

  • Poly-o-hydroxyamide, polybenzoxazole, and electronic component including a dielectric having a barrier effect against copper diffusion, and processes for preparing poly-o-hydroxyamides, polybenzoxazoles, and electronic components
    Publication number: 20040063895
    Abstract: Novel poly-o-hydroxyamides can be cyclized to give polybenzoxazoles which have a good diffusion barrier effect with respect to metals. The poly-o-hydroxyamides can be applied to a semiconductor substrate by customary techniques and converted into the polybenzoxazole in a simple manner by heating. This results in a good barrier layer with respect to diffusion of metals. This allows the diffusion barrier between conductor track and dielectric to be substantially dispensed.
    Type: Application
    Filed: June 27, 2003
    Publication date: April 1, 2004
    Inventors: Recai Sezi, Andreas Walter, Anna Maltenberger, Klaus Lowack
  • Bis-o-aminophenols and processes for producing bis-o-aminophenols
    Publication number: 20040049081
    Abstract: A bis-o-aminophenol has a formula I 1
    Type: Application
    Filed: June 27, 2003
    Publication date: March 11, 2004
    Inventors: Andreas Walter, Ingo Gnuchtel, Anna Maltenberger, Recai Sezi, Horst Hartmann
  • Methods for producing a dielectric, dielectric having self-generating pores, monomer for porous dielectrics, process for preparing poly-o-hydroxyamides, process for preparing polybenzoxazoles, and processes for producing an electronic component
    Publication number: 20040028821
    Abstract: Poly-o-hydroxyamides include binaphthyl substituents as repeating units. The poly-o-hydroxyamides can be cyclized to give the polybenzoxazole by heating. Pore formation occurs, so that a dielectric having a very low dielectric constant k of less than 2.5 is obtained.
    Type: Application
    Filed: April 28, 2003
    Publication date: February 12, 2004
    Inventors: Recai Sezi, Andreas Walter, Klaus Lowack, Anna Maltenberger, Robert Banfic
  • Poly-o-hydroxyamides, polybenzoxazoles, processes for producing poly-o-hydroxyamides, processes for producing polybenzoxazoles, dielectrics including a polybenzoxazole, electronic components including the dielectrics, and processes for manufacturing the electronic components
    Publication number: 20030176623
    Abstract: Poly-o-hydroxyamides are cyclicized to obtain polybenzoxazoles. The poly-o-hydroxyamides provide effective filling of trenches. In particular, the poly-o-hydroxyamides can fill trenches having a width of less than 100 nm and an aspect ratio of more than 4. Further, the polybenzoxazoles of the invention are very suitable for the damascene process. A dielectric can be made from the polybenzoxazole. In turn, semiconductor devices can include the dieletric. Processes for making the poly-o-hydroxyamides, polybenzoxazoles, and semiconductor devices are included.
    Type: Application
    Filed: September 30, 2002
    Publication date: September 18, 2003
    Inventors: Klaus Lowack, Anna Maltenberger, Recai Sezi, Andreas Walter
  • Adhesively bonded chip-and wafer stacks
    Publication number: 20030150557
    Abstract: The present invention describes the use of poly-o-hydroxy amides (PHAs) for adhesively bonding articles or materials, especially components used in the semiconductor industry, such as chips and wafers, a process for adhesively bonding materials, especially chips and/or wafers, chip and/or wafer stacks produced by the process, and adhesive compositions which comprise the poly-o-hydroxy amides of the formula (I).
    Type: Application
    Filed: July 30, 2002
    Publication date: August 14, 2003
    Inventors: Recai Sezi, Andreas Walter
  • Use of polybenzoxazoles (PBOS) for adhesion
    Publication number: 20030149207
    Abstract: The present invention describes the use of polybenzoxazoles (PBOs) for adhesively bonding articles or materials, especially components used in the semiconductor industry, such as chips and wafers, a process for adhesively bonding materials, especially chips and wafers, chip and/or wafer stacks produced by the process, and adhesive compositions which comprise the polybenzoxazoles of the formula (I).
    Type: Application
    Filed: July 30, 2002
    Publication date: August 7, 2003
    Inventors: Andreas Walter, Recai Sezi
  • Phenyl-linked oxazole cyanates as dielectrics having good adhesive and filling properties
    Publication number: 20030060573
    Abstract: The following invention relates to phenyl-linked polybenzoxazoles having terminal, aryl- or heteroaryl-attached cyanate groups which can be used for adhesive bonding and as dielectrics, especially for electronic components, and to a process for preparing them.
    Type: Application
    Filed: July 26, 2002
    Publication date: March 27, 2003
    Inventors: Andreas Walter, Recai Sezi
  • Material and additive for highly crosslinked chemically and thermally stable polyhydroxyamide polymers
    Publication number: 20030050431
    Abstract: Polyhydroxyamides are polymerized to form highly-crosslinked, temperature-stable polymers. The polyhydroxyamides include as their central, parent structure a benzenetricarboxylic acid to which side chains containing a terminal reactive group are attached by an amide bond. By way of this reactive group, highly crosslinked polymers can be formed. In addition, the polyhydroxyamide can be added as an additive to polymers in order to bring about three-dimensional crosslinking.
    Type: Application
    Filed: May 31, 2002
    Publication date: March 13, 2003
    Inventors: Marcus Halik, Holger Hosch, Sezi Recai, Andreas Walter
  • Photo-cross-linkable polymers, method of producing a cross-linked polymer, cross-linked polymer, and cross-linked polymer coating
    Publication number: 20030027885
    Abstract: The novel photo-cross-linkable polymers are suitable as coating materials. The photo-cross-linkable polymers contain a biphenylene unit, which can be dimerized by exposure. Attached to the biphenyl unit are side chains of a polymer with a high temperature resistance and a high chemical stability. Through exposure, the biphenylene units dimerize, whereby the polymers are spatially cross-linked.
    Type: Application
    Filed: July 1, 2002
    Publication date: February 6, 2003
    Inventors: Marcus Halik, Klaus Lowack, Recai Sezi, Andreas Walter
  • Method of producing organic semiconductors having high charge carrier mobility through pi-conjugated crosslinking groups
    Publication number: 20030027970
    Abstract: The organic polymers of the invention have electrical semiconductor properties. The compounds have a backbone of phenylene groups to which side groups with semiconductor properties, or which impart semiconductor properties to the polymer, are bonded. The polymers are obtained by Bergmann cyclization from compounds that contain aromatic groups to which vicinal ethynyl groups are bonded. The polymers are suitable for the production of semiconductor components, such as organic transistors or diodes.
    Type: Application
    Filed: July 1, 2002
    Publication date: February 6, 2003
    Inventors: Roland Haasmann, Marcus Halik, Gunter Schmid, Andreas Walter
  • Antireflective, layer-forming composition, layer configuration containing the antireflective layer, and process for producing the antireflective layer
    Publication number: 20020198294
    Abstract: A layer-forming antireflective composition is proposed which contains as a base polymer poly(hydroxyamide) or polybenzoxazole and as dye component at least one dye from the classes of the methine dyes, methine dye derivatives, azomethine dyes, azomethine dye derivatives, coumarin dyes, coumarin dye derivatives, triphenylmethane dyes, triphenylmethane dye derivatives and/or an azo dye.
    Type: Application
    Filed: May 23, 2002
    Publication date: December 26, 2002
    Inventors: Andreas Walter, Recai Sezi
  • Tray table base
    Patent number: D446056
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: August 7, 2001
    Assignee: The Longaberger Company
    Inventors: Andrea Walters Dowding, Lynn Lippert, Russell Gilbert, Durward Staten
  • Two-shelf stand
    Patent number: D446409
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: August 14, 2001
    Assignee: The Longaberger Company
    Inventors: Andrea Walters-Dowding, Lynn Lippert, Sun Lacy, Kent Shaeffer, Russell Gilbert, Shane Mathews
  • Umbrella stand
    Patent number: D447885
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: September 18, 2001
    Assignee: The Longaberger Company
    Inventors: Andrea Walters Dowding, Lynn Lippert, Russell Gilbert, Durward Staten
  • Mug rack
    Patent number: D450225
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: November 13, 2001
    Assignee: The Longaberger Company
    Inventors: Andrea Walters-Dowding, Lynn Lippert, Russell Gilbert, Durward Staten
  • Organizer rack
    Patent number: D452394
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: December 25, 2001
    Assignee: The Longaberger Company
    Inventors: Andrea Walters-Dowding, Lynn Lippert, Russell Gilbert, Durward Staten
  • Easel
    Patent number: D458763
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: June 18, 2002
    Assignee: The Longaberger Company
    Inventors: Andrea Walters Dowding, Lynn Poynter, Russell Gilbert, Durward Staten
  • Pedestal stand
    Patent number: D466335
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: December 3, 2002
    Assignee: The Longaberger Company
    Inventors: Andrea Walters Dowding, Lynn Poynter, Russell Gilbert, Durward Staten
  • Organizer stand
    Patent number: D467097
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: December 17, 2002
    Assignee: The Longaberger Company
    Inventors: Lynn Poynter, Andrea Walters Dowding, Russell Gilbert, Durward Staten
  • One-shelf rack
    Patent number: D467448
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: December 24, 2002
    Assignee: The Longaberger Company
    Inventors: Andrea Walters Dowding, Lynn Poynter, Howard Peller, Russell Gilbert, Durward Staten