Patents by Inventor Felix Staub

Felix Staub 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: 11146239
    Abstract: The invention relates to a piezoelectric resonator, which comprises a base and at least two vibrating arms (3) extending from the base, at least two grooves (4a, 4b) being formed opposite each other on part of the length of the arms and on upper and lower faces of the arms. The depth of the groove on the upper face is less than 30% of the total thickness of each arm and the depth of the groove on the lower face is more than 50% of the total thickness of each arm, or reversely.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 12, 2021
    Assignee: Micro Crystal SA
    Inventors: Silvio Dalla Piazza, Felix Staub
  • Publication number: 20190103854
    Abstract: The invention relates to a piezoelectric resonator, which comprises a base and at least two vibrating arms (3) extending from the base, at least two grooves (4a, 4b) being formed opposite each other on part of the length of the arms and on upper and lower faces of the arms. The depth of the groove on the upper face is less than 30% of the total thickness of each arm and the depth of the groove on the lower face is more than 50% of the total thickness of each arm, or reversely.
    Type: Application
    Filed: September 20, 2018
    Publication date: April 4, 2019
    Applicant: Micro Crystal SA
    Inventors: Silvio Dalla Piazza, Felix Staub
  • Patent number: 8933614
    Abstract: The piezoelectric resonator (21) includes a first and a second planar tuning fork shaped part arranged in a common plane. It is intended to be mounted on a support via a linking part (29), the linking part being arranged to connect the tips of the inner vibrating arms (25a, 25b) of the first and second tuning fork shaped parts so as to link the first and second tuning fork shaped parts together, The electrodes carried by the first and second tuning fork shaped parts are interconnected through the linking part so as to make the outer vibrating arms of the first and second tuning fork shaped part oscillate with opposite phase.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: January 13, 2015
    Assignee: Micro Crystal AG
    Inventors: Felix Staub, Silvio Dalla Piazza
  • Publication number: 20130175903
    Abstract: The piezoelectric resonator (21) includes a first and a second planar tuning fork shaped part arranged in a common plane. It is intended to be mounted on a support via a linking part (29), the linking part being arranged to connect the tips of the inner vibrating arms (25a, 25b) of the first and second tuning fork shaped parts so as to link the first and second tuning fork shaped parts together, The electrodes carried by the first and second tuning fork shaped parts are interconnected through the linking part so as to make the outer vibrating arms of the first and second tuning fork shaped part oscillate with opposite phase.
    Type: Application
    Filed: January 9, 2012
    Publication date: July 11, 2013
    Applicant: Micro Crystal AG
    Inventors: Felix STAUB, Silvio DALLA PIAZZA
  • Publication number: 20110001394
    Abstract: The piezoelectric thin-film tuning fork resonator (40) comprises an integral tuning fork made out of a quartz crystal. The tuning fork comprises a base (48) and a pair of parallel vibrating arms (44, 46) extending from the base. Each of the vibrating arms carries: first and second electrodes (62, 64) provided on at least one main surface of the arm, said first and second electrodes being formed respectively on an inner portion and on an outer portion of said one main surface, in such a way as to be spaced apart, first and second piezoelectric thin films (66, 68) formed over the first and second electrodes respectively, third and fourth electrodes (70, 72) formed over the first and second piezoelectric thin films respectively.
    Type: Application
    Filed: July 2, 2009
    Publication date: January 6, 2011
    Applicant: ETA SA
    Inventors: Silvio Dalla Piazza, Felix Staub
  • Patent number: 7626318
    Abstract: The tuning fork resonator (1) includes a base (4) from which first and second parallel vibrating arms (2, 3) extend, carrying a set of excitation electrodes (5, 6) for vibrating the arms at a fundamental frequency. Grooves (7, 8) are formed on at least one of the top or bottom surfaces of each of said arms. The vibrating arms have a generally tapered shape, and are extended by an enlarged flipper shaped portion (9, 10) which forms the free end of each arm. The groove (7, 8) is extended in the direction of the free end of an arm to beyond the start of the flipper (9, 10) so as to increase said first motional capacitance of the resonator for the fundamental frequency, to decrease said second motional capacitance of the resonator for the partial frequency and to ensure better distribution of mechanical stress along the vibrating arms and to increase shock resistance.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: December 1, 2009
    Assignee: ETA SA Manufacture Horlogère Suisse
    Inventors: Silvio Dalla Piazza, Bruno Studer, Felix Staub
  • Publication number: 20090021120
    Abstract: The tuning fork resonator (1) includes a base (4) from which first and second parallel vibrating arms (2, 3) extend, carrying a set of excitation electrodes (5, 6) for vibrating the arms at a fundamental frequency. Grooves (7, 8) are formed on at least one of the top or bottom surfaces of each of said arms. The vibrating arms have a generally tapered shape, and are extended by an enlarged flipper shaped portion (9, 10) which forms the free end of each arm. The groove (7, 8) is extended in the direction of the free end of an arm to beyond the start of the flipper (9, 10) so as to increase said first motional capacitance of the resonator for the fundamental frequency, to decrease said second motional capacitance of the resonator for the partial frequency and to ensure better distribution of mechanical stress along the vibrating arms and to increase shock resistance.
    Type: Application
    Filed: July 18, 2008
    Publication date: January 22, 2009
    Applicant: ETA SA MANUFACTURE HORLOGERE SUISSE
    Inventors: Silvio Dalla Piazza, Bruno Studer, Felix Staub