1172 results about "Micro cavities" patented technology

The invention relates to a process for making a thin film starting from a substrate (1) of a solid material with a plane face (2) comprising:the implantation of gaseous compounds in the substrate (1) to make a layer of micro-cavities (4) at a depth from the said plane face (2) corresponding to the thickness of the required thin film, the gaseous compounds being implanted under conditions that could weaken the substrate at the layer of micro-cavities,partial or total separation of the thin film from the rest of the substrate (1), this separation comprising a step in which thermal energy is added and pressure is applied to the said plane face (2).

An apparatus and method for establishing closed dielectrophoretic potential cages and precise displacement thereof comprising a first array of selectively addressable electrodes, lying on a substantially planar substrate and facing toward a second array comprising one electrode. The arrays define the upper and lower bounds of a micro-chamber where particles are placed in liquid suspension. By applying in-phase and counter-phase periodic signals to electrodes, one or more independent potential cages are established which cause particles to be attracted to or repelled from cages according to signal frequency and the dielectric characteristics of the particles and suspending medium. By properly applying voltage signal patterns into arrays, cages may trap one or more particles, thus permitting them to levitate steadily and/or move. In the preferred embodiment, where one array is integrated on a semiconductor substrate, displacement of particles can be monitored by embedded sensors.

The present invention discloses structures and manufacturing processes of an ACF of improved resolution and reliability of electrical connection using a non-random array of microcavities of predetermined configuration, shape and dimension. The manufacturing process includes the steps of (i) fluidic filling of conductive particles onto a substrate or carrier web comprising a predetermined array of microcavities, or (ii) selective metallization of the array followed by filling the array with a filler material and a second selective metallization on the filled microcavity array. The thus prepared filled conductive microcavity array is then over-coated or laminated with an adhesive film.

A micro-machined ultrasonic transducer substrate for immersion operation is formed by a particular arrangement of a plurality of micro-machined membranes that are supported on a silicon substrate. The membranes, together with the substrate, form surface microcavities that are vacuum sealed to provide electrostatic cells. The cells can operate at high frequency and can cover a broader bandwidth in comparison with conventional piezoelectric bulk transducers.

Structures and manufacturing processes of an ACF array using a non-random array of microcavities of predetermined configuration, shape and dimension. The manufacturing process includes fluidic filling of conductive particles onto a substrate or carrier web comprising a predetermined array of microcavities, or selective metallization of the array followed by filling the array with a filler material and a second selective metallization on the filled microcavity array. The thus prepared filled conductive microcavity array is then over-coated or laminated with an adhesive film. Cavities in the array, and particles filling the cavities, can have a unimodal, bimodal, or multimodal distribution.

Methods here disclosed provide for selectively coating the top surfaces or ridges of a 3-D substrate while avoiding liquid coating material wicking into micro cavities on 3-D substrates. The substrate includes holes formed in a three-dimensional substrate by forming a sacrificial layer on a template. The template includes a template substrate with posts and trenches between the posts. The steps include subsequently depositing a semiconductor layer and selectively etching the sacrificial layer. Then, the steps include releasing the semiconductor layer from the template and coating the 3-D substrate using a liquid transfer coating step for applying a liquid coating material to a surface of the 3-D substrate. The method may further include coating the 3-D substrate by selectively coating the top ridges or surfaces of the substrate. Additional features may include filling the micro cavities of the substrate with a filling material, removing the filling material to expose only the substrate surfaces to be coated, coating the substrate with a layer of liquid coating material, and removing said filling material from the micro cavities of the substrate.

The present invention relates to a method and device for non-intrusively manipulating suspended particles and/or cells and/or viruses, which are supplied to a micro-chamber or to a micro-channel (46) of a substrate, said micro-chamber or micro-channel (46) having at least a bottom wall as well as lateral walls. At least one acoustic wave (41) is applied via at least one acoustic transducer (42, 44) from outside of said substrate to an inner volume of said micro-chamber or micro-channel (46), a frequency of said acoustic wave (41) being selected to generate a standing and/or stationary acoustic wave in said volume. In the present method and device the acoustic wave (41) is applied laterally to said volume. The present device and method allow an efficient coupling of energy into the channels as well as an improved control of standing and/or stationary acoustic wave fields along the channels. Furthermore the device and method allow for transmission optical microscopy to observe the manipulated particles in the channels during manipulation.

A resonant cavity color conversion EL element in which intensity of converted light from a color conversion layer is increased and an organic EL display device in which viewing angle dependence of the color tone is small and the manufacturing process is simple. The EL element includes at least a pair of electrodes; a functional layer includes a light-emitting layer and is sandwiched by the pair of electrodes; a color conversion layer that absorbs light emitted from the light-emitting layer and emits light with a different wavelength; and a pair of light reflective layers. Notably, the pair of light reflective layers are composed of a non-transparent reflective layer and a semi-transparent reflective layer that have a distance therebetween that is set at an optical distance to construct a microcavity that increases intensity of light with a specific wavelength emitted from the color conversion layer.

The present invention relates to rotating element sheet material with a generalized containment structure and methods of fabricating such rotating element sheet material, where the rotating element sheet material comprises a fibrous matrix, a plurality of rotatable elements, and an enabling fluid, and where the plurality of rotatable elements are disposed within the fibrous matrix and are in contact with the enabling fluid. In addition, rotating element sheet material with a generalized containment structure, and methods of fabricating such rotating element sheet material, includes rotating element sheet material which comprises a fibrous matrix and a plurality of micro-capsules, and where the micro-capsules define a hollow space therein, and the hollow space contains a subset of a plurality of rotatable elements and an enabling fluid, and where the plurality of micro-cavities are disposed within the fibrous matrix.

Methods and systems for label-free multiple analyte sensing, biosensing and diagnostic assay chips consisting of an array of photonic crystal microcavities along a single photonic crystal waveguide are disclosed. The invention comprises an on-chip integrated microarray device that enables detection and identification of multiple species to be performed simultaneously using optical techniques leading to a high throughput device for chemical sensing, biosensing and medical diagnostics. Other embodiments are described and claimed.

The invention discloses a separate detection system and method of rare cells based on a centrifugal micro-fluidic technology. The system comprises a micro-fluidic chip similar to an optical disk, a centrifugal drive module and an optical detection module, wherein the micro-fluidic chip comprises a plurality of groups of micro-channels and micro-cavities arranged in a radiation manner; and the entire chip structure is composed of an elastic micro-column guide rail layer, a deformable film layer, a pipeline/cavity layer, a filtering membrane layer and a liquid waste collecting layer. The method comprises the steps of: firstly, leading a sample solution and immune modified microspheres into a liquid storage cavity through an injection port of the micro-fluidic chip in use, putting the sample solution and the immune modified microspheres on a centrifugal platform of the centrifugal drive module, assembling an elastic micro-column, and rotating at a low speed, so as to achieve fully mixing and reacting of the sample solution and immune modified microsphere liquid in the liquid storage cavity, separating by a high-speed rotary chip, and then dropwise adding a specifically recognized fluorescently-labeled antibody solution in each separate cell collection area, carrying out incubate reaction, adding a buffer solution and centrifuging, and finally identifying and analyzing through the optical detection module.

A method for characterizing n components An of n catalytic systems. The method is characterized in comprising the steps of: I) providing a microfluidic device which comprises a plurality of identical microchannel structures, each microchannel structures comprising in the downstream direction (a) an inlet arrangement IA with at least one inlet port; (b) a catalytic microcavity MC1, which comprises an immobilized component C^im of the catalytic system CS used in the microchannel structure, and (c) a detection zone (DZ); ii) distributing to MC1 of each microchannel structure the remaining components of the CS used in the structure by a) dispensing to the inlet arrangement IA of each microchannel structure said remaining components; and b) transporting corresponding components for the microchannel structures in parallel to load MC1 in each microchannel structure; iii) performing the catalytic reaction in MC1 of each microchannel structure; iv) transporting in parallel the product formed in step (iii) from MC1 to DZ of each microchannel structure, if DZ and MC1 do not coincide; v) characterizing for each microchannel structure the result of the catalytic reaction performed in MC1 in DZ; and vi) characterizing An for each microchannel structure.

This invention provides an array substrate, a method for fabricating the same, and an OLED display device. Each pixel unit of the array substrate comprises: a TFT drive layer; an OLED further away from the substrate than the TFT drive layer and driven by it, the OLED sequentially comprises a first electrode, a light emitting layer, a second electrode, wherein the first electrode is transparent, and the second electrode is a transflective layer, or the second electrode is transparent and has a transflective layer disposed thereon; a reflection layer disposed between the TFT drive layer and the OLED and forming a microcavity structure with the transflective layer, and a reflective surface of the reflection layer has a concave-convex or corrugated structure disposed thereon for causing diffuse reflection of light; and a color filter film disposed between the reflection layer and the OLED and located in the microcavity structure.

A display device that includes a reflective electrode; a transparent electrode; a partition; an EL layer formed over the partition and the transparent electrode; a semi-transmissive electrode formed over the EL layer; and a coloring layer over the semi-transmissive electrode. A light-emitting region is formed to overlap with the transparent electrode, the EL layer, the semi-transmissive electrode, and the coloring layer. A non-light-emitting region is formed to overlap with the transparent electrode, the partition, the EL layer, and the coloring layer. The non-light-emitting region is formed to surround the light-emitting region. The sum of the optical length of the transparent electrode and the optical length of the EL layer is adjusted to fulfil a condition of a microcavity intensifying light of the color of the coloring layer. The optical length of the partition in the non-light-emitting region is adjusted to weaken external light incident through the coloring layer.

The invention provides a display device, a display panel thereof, and a transparent display panel. A first sub-pixel of the transparent display panel is arranged to comprise a light-transmitting area and a non-light-transmitting area, wherein the non-light-transmitting area is provided with a first light reflecting anode, a first light-emitting structure layer and a first cathode in a stacked mode, and the light-transmitting area completely wraps the non-light-transmitting area, or the non-light-transmitting area completely wraps the light-transmitting area. The light emitted by the first light-emitting structure layer can be reflected back and forth between the first light-reflecting anode and the first cathode for multiple times to form a microcavity effect, so that the light-emitting efficiency is enhanced, the frequency spectrum is narrowed, and the display quality of the transparent display panel is improved; when the full screen displays, the color coordinates of the light-transmitting display area and the non-light-transmitting display area are basically consistent, and deviation is avoided. The non-light-transmitting area is completely wrapped by the light-transmitting area, or the non-light-transmitting area is completely wrapped by the light-transmitting area, so that light emitted by one first sub-pixel can be uniformly diffused to all pixels around, the color coordinate offset is reduced, and the color rendering consistency under different visual angles is improved.

The use of optical microcavities, high-Q resonators and slow-light structures as tools for detecting molecules and probing conformations and measuring polarizability and anisotropy of molecules and molecular assemblies using a pump-probe approach is described. Resonances are excited simultaneously or sequentially with pump and probe beams coupled to the same microcavity, so that a pump beam wavelength can be chosen to interact with molecules adsorbed to the microcavity surface, whereas a probe beam wavelength can be chosen to non-invasively measure pump-induced perturbations. The induced perturbations are manifest due to changes of resonance conditions and measured from changes in transfer characteristics or from changes of the scattering spectra of a microcavity-waveguide system. The perturbations induced by the pump beam may be due to polarizability changes, changes in molecular conformation, breakage or formation of chemical bonds, triggering of excited states, and formation of new chemical species. Furthermore, heat may be generated due to absorption of the pump beam. Furthermore, the use resonant modes with different states of polarization allows for measurements of polarizability and its anisotropy in samples interacting with the optical device.

The invention discloses a graphene nanopore-microcavity-solid-state nanopore structure based DNA sequencing device and a method. The sequencing device is mainly composed of a graphene nanopore-equipped graphene microstrip, an inverted pyramid-shaped microcavity in a silicon-based substrate, and a solid-state nanopore at the top of the microcavity. During sequencing, a sequencing reaction chamber is divided into two parts by the graphene nanopore-microcavity-solid-state nanopore structure. A single-stranded DNA molecule passes through the graphene nanopore linearly under the effect of an electrostatic field, then enters the inverted pyramid-shaped microcavity, and finally comes out from the solid-state nanopore. Weak current measuring equipment is utilized to measure longitudinal ionic current blocking caused by the DNA molecule passing activity in the nanopore and the transverse conductance change around the nanopore in the graphene microstrip. Further, a synchronous data recording and processing system is employed for analytical calculation of bi-directional data, thus realizing sequence analysis of the single-stranded DNA molecule.

The invention discloses a method and a device for automatically and quantitatively distributing a microfluid. The method uses surface tension of liquid in a leading position under a micron scale to be combined with flow shearing action of the other fluid which is insoluble with the fluid so as to make a sample liquid filled and positioned in a microcavity with certain volume, thereby realizing quantitative distribution of the sample liquid. The device by the method is formed by at least one microchannel and a group of micro-fluidic chips of the microcavity, wherein the microcavity is positioned on the side of the microchannel and is communicated with the microchannel; the sample liquid in the microchannel enters and is filled in the microcavity through the surface tension; and then, residual sample liquid in the microchannel is removed by the flow shearing action of the other fluid which is insoluble with the liquid, and the sample liquid is just filled in the microcavity, so that quantitation and distribution of sample liquid droplet can be realized. The invention provides simple, quick and high-flux method and device for automatically and quantitatively distributing the microfluid, and can be applied to a micro-biochemical reactor and a chip laboratory.