Patents by Inventor Jan Tue Ravnkilde

Jan Tue Ravnkilde 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: 20150326979
    Abstract: A top-port MEMS-microphone has an upper side and a bottom side. The microphone includes a MEMS chip with a monolithically connected protection element at the upper side, a backplate, and a membrane. The microphone also includes a sound inlet at the upper side and a mechanical or electrical connection at the bottom side.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 12, 2015
    Inventors: Jan Tue Ravnkilde, Marcel Giesen, Kurt Rasmussen, Morten Ginnerup, Pirmin Hermann Otto Rombach, Wolfgang Pahl, Anton Leidl, Armin Schober, Jürgen Portmann
  • Publication number: 20150076627
    Abstract: A MEMS microphone with reduced parasitic capacitance is provided. A microphone includes a protection film covering a rim-sided area of the backplate.
    Type: Application
    Filed: November 14, 2011
    Publication date: March 19, 2015
    Inventors: Leif Steen Johansen, Jan Tue Ravnkilde, Pirmin Hermann Otto Rombach, Kurt Rasmussen
  • Publication number: 20150054098
    Abstract: The present invention concerns a MEMS microphone assembly (1) comprising a MEMS transducer element (2) comprising a MEMS die (3), a back plate (4) and a diaphragm (5) displaceable in relation to the back plate (4), and a sound inlet (16) for acoustically coupling the MEMS transducer element (2) to the exterior of the MEMS microphone assembly (1), wherein the MEMS die (3) comprises an indentation (17) that forms at least a part of the sound inlet (16). Further, the present invention concerns a method of manufacturing said MEMS microphone assembly (1).
    Type: Application
    Filed: May 2, 2012
    Publication date: February 26, 2015
    Applicant: Epcos AG
    Inventor: Jan Tue Ravnkilde
  • Publication number: 20140346621
    Abstract: A MEMS backplate enables MEMS microphones with reduced parasitic capacitance. A MEMS backplate includes a central area and a perforation in the central area. A suspension area surrounds the central area at least partially. An aperture is disposed in the suspension area.
    Type: Application
    Filed: November 14, 2011
    Publication date: November 27, 2014
    Applicant: EPCOS AG
    Inventors: Leif Steen Johansen, Jan Tue Ravnkilde, Pirmin Hermann Otto Rombach, Kurt Rasmussen, Dennis Mortensen
  • Publication number: 20140346620
    Abstract: A MEMS microphone has reduced parasitic capacitance. The microphone includes a trench electrically separating an acoustically active section of the backplate from an acoustically inactive section of the backplate.
    Type: Application
    Filed: November 14, 2011
    Publication date: November 27, 2014
    Inventors: Leif Steen Johansen, Jan Tue Ravnkilde, Pirmin Hermann Otto Rombach, Kurt Rasmussen
  • Publication number: 20140035434
    Abstract: The present invention concerns a MEMS device comprising an under bump metallization (4)—UBM—to contact the device via flip-chip bonding with a substrate. The UBM (4) is placed on the surface of the MEMS device and close to the corners of the surface. Further, the shape of the UBM (4) is adapted to the shape of the corners.
    Type: Application
    Filed: February 10, 2011
    Publication date: February 6, 2014
    Applicant: EPCOS AG
    Inventors: Leif Steen Johansen, Jan Tue Ravnkilde
  • Patent number: 7489837
    Abstract: The invention relates to an optical microelectromechanical structure (MEMS) comprising—an (at least one) optically transmissive layer (UTL)—an (at least one) intermediate layer structure (IL)—a (at least one) device layer (DL) said intermediate layer structure (IL) defining one or more optical paths (OP) between said substantially optically transmissive layer (UTL) and said device layer (DL), said intermediate structure layer (IL) defining the distance (d) between said optically transmissive layer (UTL) and said device layer (DL).
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: February 10, 2009
    Assignee: Huntsman Advanced Materials Americas Inc.
    Inventors: Jan Tue Ravnkilde, Henning Henningsen
  • Patent number: 7227677
    Abstract: The invention relates to a micro light modulator arrangement (10) comprising at least one light transmission path (23) and at least one controllable shutter (11, 16) arranged for modulation of light transmitted via said at least one light transmission path (23), said at least a part of said light transmission path comprising a translucent solid material, and said at least a part of said light transmission path being an integral part of a substrate to which said at least one controllable shutter (11, 16) is anchored.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: June 5, 2007
    Assignee: DTCON A/S
    Inventors: Jan Tue Ravnkilde, Henning Henningsen