H02N1/008

Row and column actuator control
10476404 · 2019-11-12 · ·

In one embodiment, a device is provided that includes: a plurality of actuators arranged into a plurality of rows and a plurality of columns; a plurality of row conductors corresponding to the plurality of rows; a plurality of column conductors corresponding to the plurality of columns; and a controller configured to select at least one of the actuators in a row by raising a voltage on the corresponding row conductor to couple each selected actuator to its corresponding column conductor.

Optical device production method

An optical device includes a support portion a movable unit and a pair of torsion bars disposed on both sides of the movable unit on a first axis. The movable unit includes a main body portion, a ring-shaped portion surrounding the main body portion when viewed from a predetermined direction perpendicular to the first axis, two connection portions connecting the main body portion and the ring-shaped portion to each other, and a rib portion provided to the main body portion. Each of the two connection portions includes two connection regions that are separated from each other by a space and the each of the two connection region connects the main body portion and the ring-shaped portion to each other. The rib portion includes four extending portions radially extending between a center of the main body portion and the four connection regions respectively when viewed from the predetermined direction.

Electrostatic actuator and switch
10457543 · 2019-10-29 · ·

An electrostatic actuator includes a base, a movable electrode including a semiconductor and supported to the base to be displaceable in a first direction, and a fixed electrode including the semiconductor and fixed to the base, in which the fixed electrode faces the movable electrode in a state of being separated therefrom in the first direction. The electrostatic actuator includes a high-resistance region formed in at least a portion of each of respective facing surfaces of the movable electrode and the fixed electrode, and lower in impurity concentration than a surrounding region thereof.

NEAR-EYE DISPLAY SYSTEM AND METHOD
20190311664 · 2019-10-10 · ·

A near-eye light field display for use with a head mounted display unit with enhanced resolution and color depth. A display for each eye is connected to one or more actuators to scan each display, increasing the resolution of each display by a factor proportional to the number of scan points utilized. In this way, the resolution of near-eye light field displays is enhanced without increasing the size of the displays.

SHOCK CAGING FEATURES FOR MEMS ACTUATOR STRUCTURES
20190308871 · 2019-10-10 ·

Caging structures are disclosed for caging or otherwise reducing the mechanical shock pulse experienced by MEMS device beam structures during events that may cause mechanical shock to the MEMS device. The caging structures at least partially surround the beam such that they limit the motion of the beam in a direction perpendicular to the beam's longitudinal axis, thereby reducing stress on the beam during a mechanical shock event. The caging structures may be used in combination with mechanical shock-resistant beams.

Electrostatic actuator, switch device and power supply device
10418918 · 2019-09-17 · ·

An electrostatic actuator, including a base section, a movable electrode section to be displaceable in a predetermined direction with respect to the base section, and a plurality of fixed electrodes fixed to the base section to be separated from the movable electrode section along a movable direction of the movable electrode section and face the movable electrode section. Further, the plurality of fixed electrodes are electrically separated from each other. The electrostatic actuator is driven in accordance with a drive voltage selectively applied to the plurality of fixed electrodes and a voltage value of the drive voltage.

Actuator for moving an optoelectronic device
10389943 · 2019-08-20 · ·

An actuator for moving a platform having electrical connections is provided. The actuator includes an outer frame connected to an inner frame by one or more spring elements that are electrically conductive. The actuator further includes one or more comb drive actuators that apply a controlled force between the outer frame and the inner frame. Each of the comb drive actuators includes one or more comb drives. Moreover, a method for moving a platform having electrical connections is also provided. The method includes connecting an outer frame to an inner frame using one or more spring elements that are electrically conductive. The method further includes generating a controlled force using one or more comb drive actuators. Each of the comb drive actuators includes one or more comb drives. In addition, the method includes applying the controlled force between the outer frame and the inner frame.

MEMS Flexure Assembly
20240154543 · 2024-05-09 ·

An electrically-conductive, MEMS flexure assembly includes: a first MEMS subportion including a first plurality of electrically-conductive pads; a second MEMS subportion including a second plurality of electrically-conductive pads; and a plurality of MEMS electrically-conductive flexures electrically coupling the first plurality of electrically-conductive pads on the first MEMS subportion and the second plurality of electrically-conductive pads on the second MEMS subportion.

ELECTROSTATIC DEVICE

[Object] To provide an electrostatic device capable of improving device characteristics.

[Solving Means] An electrostatic device according to an embodiment of the present technology includes an electrically conductive base material, a first conductor layer, a second conductor layer, and a bonding layer. The first conductor layer includes a first electrode portion and a first base portion and is connected to a signal line. The first base portion supports the first electrode portion and is disposed on the base material. The second conductor layer includes a second electrode portion and a second base portion and is connected to a reference potential. The second electrode portion is opposed to the first electrode portion in a first axis direction and configured to be movable relative to the first electrode portion in the first axis direction. The second base portion supports the second electrode portion and is disposed on the base material. The bonding layer is disposed between the base material and the first and second base portions and includes a plurality of first bonding portions that partially support at least the first base portion.

MEMS Actuation System
20190227266 · 2019-07-25 ·

A multi-axis MEMS assembly includes a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement. The micro-electrical-mechanical system (MEMS) actuator includes: an in-plane MEMS actuator, and an out-of-plane MEMS actuator. An optoelectronic device is coupled to the micro-electrical-mechanical system (MEMS) actuator. The out-of-plane MEMS actuator includes a multi-morph piezoelectric actuator.