180 results about "Vertical alignment" patented technology

A semiconductor device is provided. The semiconductor device includes a back-end-of-line (BEOL) layer, a backside power distribution network (BSPDN), a stacked field effect transistor (stacked FET) and a backside contact. The stacked FET is vertically interposed between the BEOL layer and the BSPDN and includes a top FET with top source / drain (S / D) epitaxy and a bottom FET with bottom S / D epitaxy. The stacked FET is characterized as having at least partial vertical alignment of the top FET and the bottom FET. A backside contact electrically connects the BSPDN and the top S / D epitaxy and cuts through the bottom S / D epitaxy with isolation between the backside contact and the bottom S / D epitaxy.

A tensioning system may be implementable for a rack. A ladder upright may extend upwardly from a central area of a base of the rack and support shelves. First and second straps may extend upwardly from first and second lateral areas of the base and couple with a plate arranged along the ladder upright. The plate can include a set of vertically aligned plate-aligning apertures, and the ladder upright can include a set of vertically arranged receiving apertures. Corresponding aperture pairs can each include one from the set of receiving apertures and one from the set of plate-aligning apertures. The plate-aligning apertures may be distributed differently from the receiving apertures such that the plate is vertically moveable along the receiving apertures to change which of the corresponding aperture pairs is aligned for receiving a fastener to retain the plate in a state in which tension is present in the straps.

The invention relates to a preparation method of a magnetic field-electric field synergistically driven Fe3O4-loaded graphene three-dimensional interlocking network / metal composite material, and belongs to the field of electronic packaging materials. An alternating magnetic field and a direct-current electric field are applied in the solidification process of metal melt, Lorentz force is used for driving graphene nanosheets loaded with Fe3O4 to rotate directionally and be arranged vertically, meanwhile, the electric field induces dissociation of graphene edge functional groups, chemical bonding with a metal matrix is enhanced, and a space interlocking heat conduction network is formed. The graphene reinforced metal composite material is obviously superior to a traditional graphene reinforced metal composite material and is suitable for a heat dissipation substrate of aerospace electronic equipment.

A magnetic tunnel junction (MTJ) stack, a vertical side surface of the MTJ stack includes a saw tooth edge, the MTJ stack includes vertically aligned layers of a top electrode, a free layer, a tunneling barrier, a reference layer and a bottom electrode, the free layer of the MTJ stack has a tapered edge including a first width at an upper portion of the free layer and a second width at a lower portion of the free layer, the first width is greater than the second width. Forming a first bottom electrode of a first MTJ stack, a second bottom electrode of a second MTJ stack, a first inter-layer dielectric between the first and the second bottom electrode, a first reference layer of the first MTJ stack, a second reference layer of the second MTJ stack, a second inter-layer dielectric between the first reference layer and the second reference layer.

The invention relates to the technical field of liquid crystal devices, and particularly discloses a normally-on flexible liquid crystal dimming film and a preparation method thereof. The structure of the normally-on flexible liquid crystal dimming film sequentially comprises a first flexible transparent substrate, a first vertical alignment layer, a dye liquid crystal layer, a second vertical alignment layer and a second flexible transparent substrate from top to bottom, wherein the materials of the first vertical alignment layer and the second vertical alignment layer are selected from side chain type transparent polyimide materials; the dye liquid crystal layer comprises black dichroic dye and negative phase liquid crystal. By accurately controlling the orientation arrangement of liquid crystal molecules, a high-precision pretilt angle is realized, the light modulation amplitude in a visible light broadband range reaches 45% or above, and the photoelectric property is equivalent to that of a normally dark (forward) mode liquid crystal dimming film.

A semiconductor device includes a first substrate, a second substrate bonded to the first substrate, and at least one thermally conductive structure that extends through a portion of the first substrate and a portion of the second substrate and is vertically aligned with an active region of the first substrate. The at least one thermally conductive structure is electrically insulated from electrically active structures in the semiconductor device. The thermally conductive structure acts as a heat sink to transfer heat from the active region.

The invention relates to the technical field of pole piece manufacturing, in particular to a pole piece coating and diaphragm compounding all-in-one machine which comprises a first diaphragm unreeling mechanism, a second diaphragm unreeling mechanism and a coating mechanism, the first diaphragm correcting mechanism is used for correcting the unwound first diaphragm coiled material; the first diaphragm tension control mechanism is used for monitoring and controlling the tension of the unwound first diaphragm coiled material; a pole piece unwinding mechanism; a pole piece coating mechanism; a pole piece curing mechanism; the pole piece tension control mechanism is used for monitoring and controlling the tension of the coated pole piece coiled material; the layering guide mechanism is used for guiding and layering the unreeled first diaphragm coiled material and the coated pole piece coiled material; the alignment detection mechanism is used for detecting the vertical alignment degree; the thermal compounding mechanism is used for carrying out thermal compounding operation on the layered material to form a composite pole piece; and the winding mechanism is used for winding the composite pole piece. The device has the effects that the consistency and reliability of the composite pole piece are improved, and meanwhile, the influence of winding and stentering procedures on the performance of the coated pole piece is reduced.

LCoS panels using liquid crystal (LC) media having negative dielectric anisotropy and LC media comprised therein. The liquid crystal material (LC medium) has negative dielectric anisotropy and high optical anisotropy and is particularly useful in electro-optical displays including projection systems based on vertical alignment (VA) nematic panels.

The present disclosure relates to a bulk acoustic wave (BAW) device with electrostatic discharge (ESD) protection. The disclosed BAW device includes a substrate (106), an ESD protection layer (106) over the substrate (106), a first bottom reflector (109-1) over the ESD protection layer (108), a first bottom electrode (112-1) over the first bottom reflector (109-1), a first top electrode (118-1) vertically aligned with the first bottom electrode (112-1), and a piezoelectric layer (116C) vertically between the first bottom electrode (112-1) and the first top electrode (118-1). Herein, the ESD protection layer (108) is electrically insulating and eligible to achieve at least a 400 V breakdown voltage with a 200 nm thickness. The first bottom reflector (109-1) includes a stack of alternating high acoustic impedance conductive layers (120A-E) and low acoustic impedance conductive layers (120A-E). The first bottom electrode (112-1) is electrically connected to the first bottom reflector (109-1). A breakdown voltage of the piezoelectric layer (116C) is no more than the breakdown voltage of the ESD protection layer (108).

A structure includes an upper silicon structure that includes a recess in a first side of the upper silicon structure, wherein the recess has a sloped sidewall; a lower silicon structure that includes a lens recessed in a first side of the lower silicon structure, wherein the first side of the upper silicon structure is bonded to the first side of the lower silicon structure, wherein the sloped sidewall of the upper silicon structure is vertically aligned with the lens of the lower silicon structure; and a waveguide structure within the recess, wherein the waveguide structure is optically coupled to the lens by the sloped sidewall.

A multi-angle variable cross-section pipe section outer wall datum line assignment method comprises the steps that a vertical pipe section is supported through a supporting tool, the pipe section and the supporting tool are fixed through a chain type tensioner, the chain type tensioner is rotated, the vertical pipe section is pulled to rotate on a support bearing, the vertical pipe section is stopped when rotating to a 90-degree datum point and a 270-degree datum point are in a horizontal state, and the vertical pipe section is fixed to the supporting tool. 90-degree datum lines and 270-degree datum lines are surveyed through the datum points by utilizing the total station, then another two datum lines are surveyed through the total station, and an operator can adjust the pitch angle of the eyepiece, observe different positions, needing to be scribed, of the pipe wall of the pipe section and adjust the definition of the eyepiece under the conditions that the eyepiece passes through the eyepiece and the vertical shaft is locked. And guiding a lineation person to draw points at a position coinciding with a vertical standard wire in the eyepiece, and drawing 0-degree and 180-degree position lines at different positions by points at different positions in a chalk line popping manner. The scribing method for the pipe with the multi-angle section in the inner diameter has the advantages that the used scribing process is simple, the scribing precision is high, and an operator does not need to move an instrument many times.

A wearable device may include a head-mounted display (HMD) for rendering a three-dimensional (3D) virtual object which appears to be located in an ambient environment of a user of the display. The relative positions of the HMD and one or more eyes of the user may not be in desired positions to receive image information outputted by the HMD. For example, the HMD-to-eye vertical alignment may be different between the left and right eyes. The wearable device may determine if the HMD is level on the user's head and may then provide the user with a left-eye alignment marker and a right-eye alignment marker. Based on user feedback, the wearable device may determine if there is any left-right vertical misalignment and may take actions to reduce or minimize the effects of any misalignment.

Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. Example LC assemblies are described that include a flexible substrate, a twisted nematic liquid crystal, a polarizer with cellulose triacetate and an ultraviolet blocker, a polycarbonate layer, polyvinyl butyral as a connecting layer, or any combination of these features. A flexible substrate can permit an LC assembly to be applied to a window or other rigid surface, even if the surface has a three-dimensional curvature. LC assemblies featuring Guest-Host or vertical alignment configurations are also described. In some embodiments, a dimmable LC assembly is provided as part of a kit including a control unit adapted to electrically connect to the LC assembly via a cable. Both the LC assembly and the control unit can be mounted to a window or other rigid surface. The control unit can be powered using a photovoltaic cell.

This invention relates to liquid crystal media comprising polymerizable compounds. Specifically, this invention relates to liquid crystal (LC) media comprising a polymerizable component A containing polymerizable compounds, at least one of which is a polymerizable self-aligning additive of formula MES-Ra(I) for vertical alignment, and a liquid crystal LC component B comprising one or more mesocrystalline or liquid crystal compounds selected from formulas CY and PY, wherein the formulas are as follows and defined in the claims, and other additives (HH) comprising organic molecules having groups having at least six of the following formulas.

An electronic eyewear device including a spatial dimming pixel panel within an optical assembly that delivers improved backlighting conditions for displayed images. The spatial dimming pixel panel is spatially dimmed where an image is positioned on a display, and the unoccupied area of the display is not dimmed (undimmed), thereby unaltering the real-world view through that portion of the display. The spatial dimming pixel panel is made of multiple liquid crystal cells arranged in a gridded orientation with a dye-doped or guest-host liquid crystal system having a phase change mode with homeotropic alignment. The spatial dimming pixel panel absorbs nonpolarized light when a voltage is applied across the cells and passes nonpolarized light in the absence of a voltage across the cells.

The invention discloses a liquid crystal composition and a liquid crystal display panel. The liquid crystal composition comprises a liquid crystal material, a polymerizable compound or a polymer containing a polymerized form of the polymerizable compound, and a self-alignment additive, the liquid crystal material comprises a first liquid crystal compound, a second liquid crystal compound, a third liquid crystal compound and a fourth liquid crystal compound; the first liquid crystal compound is selected from at least one of a formula I-1 and a formula I-2; the second liquid crystal compound is selected from at least one of compounds represented by a formula II; the third liquid crystal compound is selected from at least one of a formula III-1 and a formula III-2; the fourth liquid crystal compound is selected from at least one of a formula IV-1 and a formula IV-2; the chemical structural formula of the polymerizable compound is shown as a formula V; the chemical structural formula of the self-alignment additive is shown as a formula VI. The liquid crystal composition provided by the invention has the advantages of high response speed, high stability, high penetration rate and the like, and can realize vertical alignment of a liquid crystal material under the condition that a polyimide alignment layer is not needed.

This refers to a device which simultaneously combines the photovoltaic, piezoelectric, and electromagnetic technology in energy harvesting and production. Having a general sandwich shape, it is comprised by two parts, the upper part of the cell (3) and the lower part of the cell (9). Either the upper air inlets (4), or the lower air inlets (10) have a tapered configuration towards the inner zone. Inside the sandwich there exist piezoelectric plates (5) vertically aligned with coils (6) which are found in the interior of magnetic rings (7). Said magnetic rings (7) and coils (6) are housed in cavities (8). A solar plate (2) is placed over the upper part of the cell (3), protected by a solar plate protective coating (1).

To provide a device and a method for a stand-alone type miniature golf structure capable of changing the form of an obstacle or a hole over the whole course.SOLUTION: A miniature golf structure (10) has a digital display screen (200) vertically aligned with the rear end of a putting surface (120) and a sensor (300) for detecting the lateral position at which a plurality of balls intersect the rear end of the putting surface. The processor is configured to send a command signal to the digital display to display a putting target for each shot of the plurality of miniature golf games, identify a lateral position at which the one golf ball intersects the putting surface with the sensor, determine whether the lateral position is vertically aligned with any putting surface, and generate a score for the shot based on the lateral position.SELECTED DRAWING: Figure 1

A semiconductor device includes a rigid flex circuit that has a first rigid region and a second rigid region that are electrically connected by a flexible portion. A first die is mounted to a first side of the first rigid region. A second die is mounted to a second side of the second rigid region. The first and second sides are on opposite sides of the rigid flex circuit. The flexible portion is bent to hold the first and second rigid regions in generally vertical alignment with each other.

An integrated circuit device includes (i) a first interconnect feature extending within a first dielectric material, and (ii) a second interconnect feature extending within the first dielectric material, and landing on the first interconnect feature. The integrated circuit device further includes a layer having a first section and a second section, wherein the layer includes a second dielectric material that is compositionally different from the first dielectric material. An opening between the first section and the second section is above, and vertically aligned to, the first interconnect feature. The second interconnect feature extends through the opening. In an example, each of the first section and the second section is vertically separated from the first interconnect feature by at least 2 nanometers (nm). In an example, a dielectric constant of the second dielectric material is higher than a dielectric constant of the first dielectric material by at least 5%.

An electro-optic modulator includes a glass layer, which may include a conductive layer. A first homeotropic alignment layer is disposed on the glass layer. A liquid crystal layer is disposed on the first homeotropic alignment layer opposite the glass layer. A second homeotropic alignment layer is disposed on the liquid crystal layer opposite the first homeotropic alignment layer. A reflective mirror is disposed on the second homeotropic alignment layer opposite the liquid crystal layer. The liquid crystal layer includes a negative dielectric liquid crystal.

A method of fabricating a semiconductor device includes recessing an upper portion of a first dielectric layer disposed over a conductive feature. The method includes filling the recessed upper portion with a second dielectric layer to form a void embedded in the second dielectric layer. The method includes etching the second dielectric layer and the first dielectric layer to form a contact opening that exposes at least a portion of the conductive feature using the void to vertically align at least a lower portion of the contact opening with the conductive feature. The method includes filling the contact opening with a conductive material to form a contact feature electrically coupled to the conductive feature.

A polymer network stabilised liquid crystal material (PN-LCs) having a ferroelectric liquid crystal phase is presented. Claimed is a process of aligning liquid crystal mixtures exhibiting a ferroelectric nematic or ferroelectric smectic A liquid-crystalline phase in a polar vertical state in relation to a boundary surface. The liquid crystal mixture is stabilized by a polymer network in a vertical alignment relative to the substrate planes enclosing the mixtures. In addition, the present invention relates to electric and electronic elements which contain the poled and aligned ferroelectric liquid crystal material according to the invention.

A surface acoustic wave (SAW) filter includes a bottom substrate, a piezoelectric layer disposed above the bottom substrate and having a bottom surface facing the bottom substrate and a top surface opposite to the bottom surface, a cavity disposed below the piezoelectric layer, a first interdigital transducer (IDT) disposed on the bottom surface of the piezoelectric layer, and a second IDT disposed on the top surface of the piezoelectric layer. An interdigital portion of the first IDT is exposed in the cavity. An interdigital portion of the second IDT is vertically aligned with the interdigital portion of the first IDT.

The present invention relates to the technical field of liquid crystal device preparation, and in particular to a preparation method for a self-assembled vertical alignment film, comprising: preparation of self-assembly solutions: dissolving poly(diallyldimethylammonium chloride) in deionized water to prepare a self-assembly solution A with a concentration of 0.5-10%, and dissolving long-chain alkyl sodium sulfonate in deionized water to prepare a self-assembly solution B with a concentration of 0.02-0.2 mg / mL; cleaning a substrate, and immersing same in the self-assembly solution A for 20-30 h; taking out the substrate, washing with deionized water, and blow-drying with high-purity nitrogen; then immersing the substrate in the self-assembly solution B for 5-100 min; taking out the substrate, washing with deionized water, and blow-drying with high-purity nitrogen; and when a film is prepared, carrying out surface alignment by using a rubbing method, to obtain the self-assembled vertical alignment film. The present invention has the advantages that a self-assembled film can be formed by immersing, in self-assembly solutions, a substrate modified with specific chemical materials, the preparation method is simple, and the stability is good.

Various embodiments of SST dies and solid state lighting (“SSL”) devices with SST dies, assemblies, and methods of manufacturing are described herein. In one embodiment, a SST die includes a substrate material, a first semiconductor material and a second semiconductor material on the substrate material, an active region between the first semiconductor material and the second semiconductor material, and a support structure defined by the substrate material. In some embodiments, the support structure has an opening that is vertically aligned with the active region.

This transparent polymer layer is a cured product of a vertical alignment agent, a polymerizable liquid crystal compound containing two functional groups, and a non-liquid crystalline polymerizable compound. In this light modulating layer, the mixing ratio of a liquid crystal compound is 60 mass% or more, the mixing ratio of the vertical alignment agent is 5-10 mass%, the mixing ratio of the polymerizable liquid crystal compound is 0.5-10 mass%, and the mixing ratio of polymerizable compound 23P3 is 15-25 mass%, on the basis of the total mass (100 mass%) of the transparent polymer layer and a liquid crystal composition.

The invention relates to a steering wheel arrangement (1) for a vehicle (2), comprising a steering wheel (3) and a camera arrangement (4) arranged in the steering wheel (3) with a camera (5) directed towards the vehicle driver in the sitting position. According to the invention, it is provided that - the camera (5) is mounted in the steering wheel (3) so as to be movable relative to the steering wheel (3), the movable mounting having a movement damping, and - a plumb weight (6) is attached to the camera (5) to ensure vertical alignment of the camera (5). Furthermore, the invention relates to a vehicle (2) with such a steering wheel arrangement (1).

The present invention provides an encoder for facilitating horizontal alignment, vertical alignment, and phase alignment of the encoder, and an encoder alignment method for easily aligning the encoder with respect to a rotating device. According to the present invention, an encoder in which alignment is performed through fastening and separation of a lock device comprises: a hub coupled to a rotating device; a disk coupled to the hub and rotating together with the rotating device; a receiving unit for receiving a signal corresponding to a pattern of the disk; a circuit board provided with the receiving unit; and a body unit supporting the circuit board. Horizontal alignment and vertical alignment are performed in a state in which the lock device is fastened to the body unit, and phase alignment is performed in a state in which the lock device is separated from the body unit.

The utility model discloses a vehicle-mounted VA (Vertical Alignment) liquid crystal display, relates to the technical field of VA liquid crystal display structures, and aims to solve the problem that the use of the vehicle-mounted VA liquid crystal display is affected due to poor sealing performance and heat dissipation performance of the conventional vehicle-mounted VA liquid crystal display. A liquid crystal display panel is mounted in the display mounting plate, a sealing mounting groove is formed in one end of the display mounting plate, a mounting box is arranged at one end of the display mounting plate, fixing seats are arranged at the two ends of the mounting box, and a cover plate is mounted on one side of the mounting box; a cover plate is arranged in the mounting box, a mounting groove is formed in the upper end of the cover plate, a mounting base is arranged in the mounting groove, a plurality of cooling fins are arranged at one end of the cover plate, the cooling fins and the cover plate are of an integrated structure, and one end of each cooling fin is located in the mounting box.