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| Number | Title | Issue Date |
| 8106564 | Ultrasonic transducer An ultrasonic transducer comprises an elongate horn, a counterpiece, two piezoelectric drives and a screw. The counterpiece is fastened to the horn by means of the screw and thus clamps the piezoelectric drives, which are arranged on either side of a longitudinal ax... | 01/31/2012 |
| 8076823 | Ultrasonic actuator An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P1) and flexib... | 12/13/2011 |
| 7915788 | Piezoelectric vibrator, manufacturing method thereof and linear actuator having the same The piezoelectric vibrator includes the piezoelectric bar having a plurality of piezoelectric plates alternately stacked and a plurality of vibration sectors divided vertically and horizontally with respect to the direction in which the piezoelectric plates are stac... | 03/29/2011 |
| 7821181 | Piezoelectric vibrator, manufacturing method thereof and linear actuator having the same The piezoelectric vibrator includes the piezoelectric bar having a plurality of piezoelectric plates alternately stacked and a plurality of vibration sectors divided vertically and horizontally with respect to the direction in which the piezoelectric plates are stac... | 10/26/2010 |
| 7692360 | Apparatus for ultrasonic vibration-assisted machining Apparatus for ultrasonic vibration-assisted machining, the apparatus comprising an ultrasonic transducer for generating ultrasonic waves in a vibration horn; first clamp on the vibration horn at a static node of the ultrasonic waves; and a second clamp between the f... | 04/06/2010 |
| 7514846 | Ultrasonic horn assembly stack component connector having threadless segment An ultrasonic horn assembly for applying ultrasonic energy at an operating location which assembly includes a connector between horn assembly components which provides uniform clamping pressure between transfer faces of the components. ... | 04/07/2009 |
| 7508115 | Horn, horn unit, and bonding apparatus using same A horn that can suppress oscillation components other than the component in the horizontal direction, a horn unit, and a bonding apparatus using same are provided. The horn has a cross-section variable section in which a cross section perpendicular to the lengthwise... | 03/24/2009 |
| 7439654 | Transmission of ultrasonic energy into pressurized fluids Ultrasonic probe comprising an elongate body having a first end and a second end, an ultrasonic transducer attached to the probe at or adjacent the first end, and an enlarged support section intermediate the ultrasonic transducer and the second end, wherein the enla... | 10/21/2008 |
| 7408290 | Power driving circuit for controlling a variable load ultrasonic transducer The present invention is directed to a high-powered (e.g., >500 W) ultrasonic generator for use especially for delivering high-power ultrasonic energy to a varying load including compressible fluids. The generator includes a variable frequency triangular waveform ge... | 08/05/2008 |
| 7368853 | Piezoelectric motors and methods for the production and operation thereof The invention relates to a piezoelectric motor comprising a piezoelectric component that is connected to a resonator and a two-dimensional resonator that interacts with a movable. element, the resonator having principal surfaces that are parallel to each other and t... | 05/06/2008 |
| 7313932 | Washing machine A washing machine includes, a main body having a washing tub housed therein, a top plate laid on a top face of the main body and having a laundry entrance formed therein to permit laundry to be put therethrough in the washing tub, a lid covering the laundry entrance... | 01/01/2008 |
| 7287537 | Megasonic probe energy director A megasonic cleaning apparatus configured to provide effective cleaning of a substrate without causing damage to the substrate is provided. The apparatus includes a megasonic probe, a transducer configured to energize the probe, and a heat transfer element disposed ... | 10/30/2007 |
| 7285895 | Ultrasonic medical device and method Ultrasonic devices having transducer assembly including a stack of alternating electrodes and piezoelectric elements. A mounting device having a first and second end is adapted to receive ultrasonic vibration from the stack and transmit it from the first to the seco... | 10/23/2007 |
| 7187103 | Piezoelectric drive A piezoelectric drive that is used to create a relative movement between a first and a second body on a plane of movement. The drive includes a flat metal sheet (1) that forms, or is secured to, the first body and that is arranged parallel to the plane of mov... | 03/06/2007 |
| 7156201 | Ultrasonic rod waveguide-radiator The present invention comprises an ultrasonic resonant rod waveguide-radiator with at least three cylindrical sections, one of which is an entrance section having a planar entrance surface and another of which is an exit section having a planar exit surface, and at ... | 01/02/2007 |
| 7157058 | High power ultrasonic reactor for sonochemical applications Ultrasound device having a reaction chamber, which includes a magnetostrictive transducer and a horn transmitting ultrasound radiation substantially uniformly throughout the reaction chamber. The horn is hollow and is constituted by a cylinder having an empty inner ... | 01/02/2007 |
| 7156189 | Self mountable and extractable ultrasonic/sonic anchor Self drilling anchors and related methods and apparatus. In one embodiment an apparatus comprises a drill bit, a hammer mechanism for hammering the drill bit in a first direction and in a second direction, and a selection mechanism for controlling whether, at a give... | 01/02/2007 |
| 7141917 | Indium or tin bonded acoustic transducer systems An acoustic transducer comprised of a resonator, an acoustic energy generating means, such as one or more piezoelectric crystals, and a bonding layer comprised of indium or tin for attaching the acoustic energy generating means to the resonator. The resonator compri... | 11/28/2006 |
| 7126256 | Acoustic driver assembly with recessed head mass contact surface An acoustic driver assembly for use with any of a variety of cavitation chamber configurations, including spherical and cylindrical chambers as well as chambers that include at least one flat coupling surface, is provided. The acoustic driver assembly includes at le... | 10/24/2006 |
| 7122941 | Acoustic driver assembly with recessed head mass contact surface An acoustic driver assembly for use with any of a variety of cavitation chamber configurations, including spherical and cylindrical chambers as well as chambers that include at least one flat coupling surface, is provided. The acoustic driver assembly includes at le... | 10/17/2006 |
| 7122097 | Ultrasound horn The invention relates to an ultrasound horn comprising a fixing section (1a), a sealing section (1c) and a transfer section (1b) extending therebetween, one or more elongate recesses (3, 4) being formed at least in th... | 10/17/2006 |
| 7105985 | Megasonic transducer with focused energy resonator A transducer comprised of a resonator and a piezoelectric crystal for cleaning single items such as semiconductor wafers and flat panel displays. The resonator is an elongated piece of material having a cross section that is trapezoidal in shape. The parallel sides ... | 09/12/2006 |
| 7098157 | Method and apparatus for thermally treating disk-shaped substrates A method and apparatus for thermally treating disk-shaped substrates, especially semiconductor wafers, in a rapid heating unit having at least one first radiation source, which is spaced from a given substrate for heating the substrate. The substrate is heated in a ... | 08/29/2006 |
| 7092685 | Method for tuning a radio filter and a system for tuning a radio filter The present invention relates to a method and a system for tuning a radio filter. The radio filter comprises at least one resonator module, each of said at least one resonator module having a tuning mechanism, a filter input connection, a filter output connection. H... | 08/15/2006 |
| 7092812 | Control method and device for an internal combustion engine A control method for an internal combustion engine provides for the acquisition of a signal correlated with the vibrations transmitted by at least one component of the internal combustion engine moving between two end positions; the vibrations are transmitted by the... | 08/15/2006 |
| 7057328 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 06/06/2006 |
| 7049730 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 05/23/2006 |
| 7017597 | Megasonic cleaning apparatus for fabricating semiconductor device A megasonic cleaning apparatus is provided for removing contamination particles on a wafer. The megasonic cleaning apparatus includes a piezoelectric transducer and an energy transfer rod. The piezoelectric transducer is for generating megasonic energy. The energy t... | 03/28/2006 |
| 7019439 | High power ultrasonic transducer with broadband frequency characteristics at all overtones and harmonics A transducer assembly for receiving a stimulating signal and producing ultrasound therefrom at one or more frequencies, over an ultrabroad bandwidth at each frequency, includes a front mass disposed about a central axis, and a back mass disposed about the central ax... | 03/28/2006 |
| 7002283 | Ultrasonic transducer assembly The invention provides an ultrasonic transducer assembly for a bonding apparatus, comprising a bonding tool mounted to an amplifying horn secured between first and second ultrasonic-generating means. A method of forming a transducer for a bonding apparatus is also p... | 02/21/2006 |
| 6984921 | Apparatus and method for resonant mounting of vibration structure A mount for a vibration structure includes a ring having a flexural portion defining an arcuate mounting surface terminating at a free distal end and secured to an arcuate bearing surface on a flange of the vibration structure in coaxial bearing engagement therewith... | 01/10/2006 |
| 6984920 | Linear piezoelectric ultrasonic motor The present invention relates to a linear motor which draws its operating power from ultrasonic vibration above the frequency of 20 kHz which is generated by piezoelectric ceramic. More particularly, the invention relates to a linear piezoelectric ultrasonic motor w... | 01/10/2006 |
| 6958568 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 10/25/2005 |
| 6956316 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 10/18/2005 |
| 6947697 | Ultrasonic vibration tool, fixing device, and heating device An ultrasonic vibration tool is made of a block of substantially rectangular parallelepiped form, and has its one end face formed as an output end face, and has its other end face opposite the output end face formed as an input end face. An ultrasonic oscillator is ... | 09/20/2005 |
| 6841921 | Ultrasonic horn assembly stack component connector An ultrasonic horn assembly for applying ultrasonic energy at an operating location which assembly includes a connector between horn assembly components which provides uniform clamping pressure between transfer faces of the components. ... | 01/11/2005 |
| 6652992 | Corrosion resistant ultrasonic horn Ultrasonic horns of titanium are made corrosion resistant in aqueous media by the providing the horns with a silver end surface, either as a portion of the end surface or as the entire end surface.... | 11/25/2003 |
| 6617760 | Ultrasonic resonator An ultrasonic resonator comprising a wire member with an elongated shaft having a proximal end and a distal end, the proximal end further including a filler material disposed within the proximal end; a crimp screw with an annular end and a threaded end, t... | 09/09/2003 |
| 6605178 | Ultrasonic sealer An ultrasonic sealing apparatus comprises at least one horn having an elongated sealing face for sealing a packing material. Plural converters are erected on a side of the horn opposite to the sealing face for resonating the horn with a vibrating frequenc... | 08/12/2003 |
| 6502471 | Electrical circuit for testing a transducer horn assembly A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The ele... | 01/07/2003 |
