H10N30/2041

VIBRATOR AND OSCILLATOR
20220294392 · 2022-09-15 ·

A vibrator includes: a vibration element that includes a pair of first excitation electrodes formed at the first vibration portion, a pair of second excitation electrodes formed at the second vibration portion, and a pair of third excitation electrodes formed at the third vibration portion, in which one second excitation electrode of the pair of second excitation electrodes is formed at a first inclined surface that is inclined with respect to two main surfaces, and one third excitation electrode of the pair of third excitation electrodes is formed at a second inclined surface that is inclined with respect to the two main surfaces and the first inclined surface; and a package that houses the vibration element. The vibration element includes a fixing portion to be fixed to the package. The fixing portion is provided between the first vibration portion and the second and third vibration portions.

PIEZOELECTRIC ACTUATORS WITH INCREASED DEFORMATION
20220066557 · 2022-03-03 · ·

The invention relates to an electromechanical actuator with increased deformation, including, on the one hand, at least one drive element connected to a source of AC voltage so as to produce a deformation of the drive element and, on the other hand, a plate configured for amplifying the amplitude of the vibration that the drive element must transmit to a substrate to be actuated. A first face of the plate is rigidly fixed to the drive element and a second face of the plate, opposite to the first face, is fixed by means of an actuation lug to the substrate to be actuated.

Acoustic transducer and related fabrication and packaging techniques

An acoustic transducer includes a first flexible structure having a top surface and a bottom surface. A transducer is attached to the top surface of the first flexible structure, wherein the transducer causes deformation of the first flexible structure when an input electrical signal is applied to the transducer. A second flexible structure has a convex top surface and a concave bottom surface. The convex top surface of the second flexible structure is in contact with the bottom surface of the first flexible structure. Deformation of the first flexible structure causes deformation of the second flexible structure.

MEMS Assembly Process Flow
20220019128 · 2022-01-20 ·

A method of producing a MEMS assembly includes: producing an OIS/IS subassembly, wherein the OIS/IS subassembly includes an optical image stabilizer and an image sensor; and coupling the OIS/IS subassembly to an AF subassembly to form an OIS/IS/AF assembly.

Haptic structure for providing localized haptic output

Disclosed herein are structures, devices, methods and systems for providing haptic output on an electronic device. In some embodiments, the electronic device includes a display portion, a housing pivotally coupled with the display portion and comprising a glass sheet that defines an input surface of the electronic device. The input surface can define a keyboard having a set of key regions arranged along the glass sheet. The electronic device may also include a haptic mechanism positioned beneath a key region of the set of key regions that includes a substrate defining a beam structure having first and second fixed ends, a spacer positioned along a first side of the beam structure and a piezoelectric element positioned along a second side of the beam structure. The piezoelectric element can be configured to deflect the beam structure to provide haptic output along the input surface.

Light scanning apparatus
11143859 · 2021-10-12 · ·

A light scanning apparatus includes a mirror supporting portion having a mirror on a front surface, an actuator configured to driving the mirror supporting portion, a fixed frame disposed around the mirror supporting portion and the actuator, and at least one rib disposed on a back surface side of the mirror supporting portion or the actuator, wherein the rib includes a straight portion and a contact portion having a width wider than a width of the straight portion.

Micro-electro-mechanical actuator device of piezoelectric type and apparatus integrating the micro-electro-mechanical actuator device

A micro-electro-mechanical (MEMS) actuator device includes a frame, and a first functional sub-structure positioned within the frame and mechanically coupled thereto by supporting elements. The first functional sub-structure is subdivided into first and second portions. The first portion is subdivided into first and second sub-portions separated from one another by a first through trench, and the second portion is subdivided into first and second sub-portions separated from one another by a second through trench. First and second piezo-electric structures are respectively carried by the first and second sub-portions of the first portion. Third and fourth piezo-electric structures are respectively carried by the first and second sub-portions of the second portion. A third through trench extends between the frame and the first functional sub-structure except for regions in which the supporting elements are present.

STRUCTURE AND TACTILE SENSATION PROVIDING APPARATUS
20210240269 · 2021-08-05 · ·

An improved structure and tactile sensation providing apparatus are provided. A structure is configured to provide a tactile sensation. The structure comprises an abutment configured to abut an actuator that causes the structure to vibrate according to expansion and contraction displacement of a piezoelectric element. The abutment is non-adherent to the actuator.

TACTILE VIBRATION GENERATOR

Provided is a tactile vibration generator comprising; a supporting block, a vibration plate, and a vibration actuator, wherein the vibration plate comprises a first part, which is not in contact with the supporting block, and a second part, which is fixed to the supporting block, and the vibration actuator is attached to a surface of the first part.

PIEZOELECTRIC TRANSDUCER

A piezoelectric transducer includes beam portions each with a fixed end portion and extending in a direction away from the fixed end portion. A base portion is connected to the fixed end portion of each of the beam portions. The beam portions extends in a same plane, and respective extending directions of at least two beam portions are different from each other. The beam portions each include a single crystal piezoelectric layer having a polarization axis in a same direction, an upper electrode layer, and a lower electrode layer. A polarization axis has a polarization component in the plane. An axial direction of an orthogonal axis that is orthogonal to the polarization axis and extends in the above-described plane intersects with an extending direction of each of the plurality of beam portions.