31 results about "Active surface" patented technology

An electronic package is provided and includes: a first circuit structure having a first surface, a second surface, and a first circuit layer; an electronic component set including a first electronic component having a first active surface and a first inactive surface, and a second electronic component having a second active surface and a second inactive surface, wherein the first inactive surface of the first electronic component is disposed on the first surface, and the second inactive surface of the second electronic component is offsetly attached to the first active surface; a packaging layer having a first packaging surface and a second packaging surface and covering the electronic component set; a second circuit structure disposed on the first packaging surface and electrically connected to the first circuit layer, the first active surface and the second active surface, respectively; and an optoelectronic component disposed on the second circuit structure.

To provide a cathode arc vapor deposition apparatus.SOLUTION: There is provided a device that comprises: a target which has a surface as an active surface for evaporation; a confinement part which confines an outer border of the target surface; an anode which has an electron reception surface, and encircles the target and confinement part at an axial distance before a target plane and the active surface; and a magnetic guide system which provides a magnetic field with the target surface parallel with at least an outer region of the target surface with lines of magnetic force inclined in parallel with or at an acute angle α to the target surface and is defined within a surface region, wherein the lines of magnetic force enter the target surface at α≤45°. The confinement part and anode are formed in a closed geometric shape and electrically insulated from each other and the target, and an inner border of the electron reception surface is defined with at least one of a radial direction having a radial distance from the middle of the target, an axial distance from the target surface to an upper border of the confinement part, and an axial distance from the target surface to a lower border of the electron reception surface.SELECTED DRAWING: Figure 1

The invention provides an optical path structure and electronic equipment, and relates to the technical field of optical signal communication. The optical path structure comprises an optical chip, a circuit base plate and a substrate. The circuit base plate is provided with a window area; the active surface of the optical chip is welded at the edge of the window area on the circuit bottom plate, and the optical chip is electrically connected with the circuit bottom plate; in the arrangement direction perpendicular to the plane of the circuit base plate, part of the optical waveguide on the end face of the optical chip is located in the projection area of the window area. Wherein the signal transmission direction of the optical chip is parallel to the plane of the circuit base plate; the target surface of the substrate is bonded and fixed on the bottom surface of the optical chip. According to the invention, the optical chip is inversely welded on the edge of the window area of the windowing on the circuit base plate, so that part of the optical waveguide can perform signal transmission in the window area in the plane direction of the circuit base plate, thereby reducing the space size required in the setting direction when the grating coupler is used for coupling, effectively improving the integration level of the device, and improving the reliability of the device. And the integration difficulty of the device is reduced.

Method for detecting discontinuities in a medium and system for implementing said method, said method comprising the step of defining a transmission sequence, wherein a plurality of transmitting transducers selected among the transducers of a probe are uniformly and randomly located on the active surface of said probe, and a time offset defined for each transmitting transducer is uniformly and randomly located within a predetermined transmission duration. Subsequently, said transmission sequence is transmitted in said medium by said plurality of transmitting transducers, the received signals are received and recorded, and said received signals are processed with a focusing law adapted to said transmitting transducers, and using said time offsets so as to thus derive a detection level.

An electronic package and an electronic package module, the electronic package comprising: a first circuit structure having a first surface, a second surface and a first circuit layer; the electronic component group comprises a first electronic component and a second electronic component, the first electronic component is connected to the first surface through a first non-acting surface of the first electronic component, and the second electronic component is arranged on the first acting surface in a bias mode through a second non-acting surface of the second electronic component; the packaging layer covers the electronic component group; the second circuit structure is arranged on the first packaging surface and is electrically connected with the first circuit layer, the first acting surface and the second acting surface respectively; and the photoelectric element is arranged on the second circuit structure. Through the implementation of the optical electronic module, the area of the electronic packaging piece serving as the optical engine can be greatly reduced, so that the number of the optical engines contained in the common packaging optical electronic module is increased, and the information transmission quantity of the electronic module is further improved.

The head-up display comprises an electro-optical display (102) and a first mirror (108, 110, 120), wherein an image (106) can be generated by means of the electro-optical display (102), which can be reflected via the first mirror (108, 110, 120) against a combiner (101), thus enabling a beam path (S) from the electro-optical display (102) to the combiner (101), and thus allowing an observer of the head-up display to perceive both the image (106) generated by the electro-optical display as a virtual image (107) and the environment behind the combiner (101) when looking at the combiner (101), and the first mirror (108, 110, 120) is designed to be rotatable about a rotation axis (109, 111, 123) to change the position of the virtual image. is, wherein the axis of rotation (109, 111, 123) is arranged outside the optical center (122) of the first mirror (108, 110, 120), characterized in that the axis of rotation (109, 111,123) is shifted from the optical center (122) of the first mirror (108, 110, 120) in front of an active surface (121) of the first mirror (108, 110, 120).

Disclosed in one example is an apparatus including a substrate, a sensor over the substrate including an active surface and a sensor bond pad, a molding layer over the substrate and covering sides of the sensor, the molding layer having a molding height relative to a top surface of the substrate that is greater than a height of the active surface of the sensor relative to the top surface of the substrate, and a lidding layer over the molding layer and over the active surface. The lidding layer and the molding layer form a space over the active surface of the sensor that defines a flow channel.

The present invention refers to a detector and a method for obtaining Kikuchi images by using electron backscatter diffraction (EBSD) or transmission Kikuchi diffraction (TKD) technique. In particular, the present invention refers to a detector comprising a detector body, a detector head with a scintillation screen and a photodetector with a active surface for detecting Kikuchi patterns, and means configured to move the detector head with respect to the detector body. The method comprises obtaining a first and a second Kikuchi pattern, and moving the detector head after obtaining the first Kikuchi pattern and prior obtaining the second Kikuchi pattern.

The specification relates to a luminescence microscope comprising a first light source for generating an input light beam, a light modulator comprising a first active surface and a second active surface, for modulating the phase and / or amplitude of the light incident on the respective active surface, an objective lens for focusing the light into a sample so that an light intensity distribution is formed in the sample, wherein the luminescence microscope comprises a first beam displacement element for polarization-dependent generation of a first output light beam and / or a second output light beam forming an angle of less than 90°, wherein the first beam displacement element is arranged such that that the first output light beam impinges on the first active surface and the second output light beam impinges on the second active surface and a method for imaging a sample or for localizing or tracking emitters in the sample.

A system for compensating for the distortion of a wavefront of one portion at least of an incident light beam comprises: —an adaptive optic for providing, via reflection from an active surface, a corrected light beam; —a mode splitter for providing a plurality of output light beams belonging to a family of target modes; —a photonic device that is optically coupled to the mode splitter, the photonic device being configured to deliver: i. a useful light beam; ii. quantities representative of the characteristics of the output light beams; —a controller of the adaptive optic, the controller being connected to the photonic device and to the adaptive optic, the controller being configured to, on the basis of the quantities, adjust the deformation of the active surface.

The application provides an optical element surface shape regulation and control method based on a KAN neural network, and relates to the technical field of optical element surface shape regulation and control. The method comprises the following steps: establishing an APDL parameterized finite element model of an optical element and a corresponding multi-point support system; performing finite element simulation through an APDL batch processing mode, obtaining corresponding optical surface deformation data, fitting to obtain Zernike polynomial coefficients, and constructing a sample data set; building a KAN neural network model, training the model by using the sample data set, and establishing a nonlinear mapping relationship from support force input to Zernike coefficient output; constructing an optimization objective function; and performing reverse optimization on the input support force by using a gradient optimization algorithm to obtain an optimal support force distribution for realizing target Zernike term adjustment. The application provides a high-precision, strong-decoupling and low-cost method for active surface shape correction of a high-precision optical system.

Presented herein are methods and systems for performing spectral ellipsometry (SE) measurements of semiconductor structures based on data sets resolved by wavelength, azimuth, and incidence angles. In some embodiments, a machine learning-based measurement model is trained to infer estimated values of one or more parameters of interest characterizing a measured structure based on SE measurement data resolved by wavelength, azimuth, and incident angle. In some other embodiments, regression is performed on a physics-based measurement model to estimate values of one or more parameters of interest characterizing the measured structure. A dispersing element in the concentrated beam path disperses the collected light across an active surface of the detector to resolve the collected light according to a wavelength and an angular dimension. In addition, a plurality of images are collected by the detector to resolve the collected light across another angular size.

Sensor module for concentrated photovoltaic (CPV) technologies using a point-focusing glass Fresnel lens, whose sensor housing (1) is designed as a straight truncated square pyramid, where in an implemented sensor module, has, on its side surfaces facing north, south, east and west, photoresistors (3) with reduced active surfaces (4) as indirect radiation detecting photosensors. At the top of the sensor housing (1), a focal pinhole (8) is formed centrally, and the direct sunlight detecting lens (6) is centrally connected to the top of the sensor housing (1) via a spacer element (7) made of opaque material, the optical axis of which coincides with the longitudinal axis of the sensor housing (1) and the center of the focal pinhole (8).  The optical focal point (10) of the lens (6) coincides with the focal pinhole (8) in the plane of the top of the sensor housing (1) and coincident with the optical axis of the lens (6) inside the sensor housing (1). The central photosensor (9) is arranged at a distance to the optical focus point (10) of the lens (6), therefore it is not damaged by concentrated direct radiation. When the focal pinhole is located, the direct radiation falling on the photosensor stops the sun tracking exactly, while the CPV cells deliver the maximum power. The electrical output of the photosensors (9) is connected to the control unit used in current photovoltaic technology. 

In an embodiment, a device includes: a die stack over and electrically connected to an interposer, the die stack including a topmost integrated circuit die including: a substrate having a front side and a back side opposite the front side, the front side of the substrate including an active surface; a dummy through substrate via (TSV) extending from the back side of the substrate at least partially into the substrate, the dummy TSV electrically isolated from the active surface; a thermal interface material over the topmost integrated circuit die; and a dummy connector in the thermal interface material, the thermal interface material surrounding the dummy connector, the dummy connector electrically isolated from the active surface of the topmost integrated circuit die.

An optical arrangement for a head-mounted display (200) is described, comprising an optical waveguide (8) with at least one Fresnel element (1) arranged in the optical waveguide, wherein the Fresnel element (1) has a Fresnel structure comprising a plurality of active surface segments (3, 3a, 3b, 3c) and a plurality of passive surface segments (5, 5a, 5b, 5c), wherein the passive surface segments (5, 5a, 5b, 5c) are arranged in a step-like fashion between the active surface segments (3, 3a, 3b, 3c) and connect them to each other. The Fresnel structure is coated such that the active surface segments (3, 3a, 3b, 3c) have a first reflective coating (4) and the passive surface segments (5, 5a, 5b, 5c) have a second reflective coating (6), wherein the first reflective coating (4) and the second reflective coating (6) each have a number of layers (7, 7a, 7b, 7c, 7d, 7e,7f) comprise of the same material and arranged in the same sequence, such that the first reflective coating (4) and the second reflective coating (6) differ from each other only in terms of the thickness of the individual layers (7, 7a, 7b, 7c, 7d, 7e, 7f), wherein the coated Fresnel structure is arranged in the optical waveguide (8) such that light from a display incident on the Fresnel structure, which after transmission through an active area segment (3, 3a, 3b, 3c) strikes a passive area segment (5, 5a, 5b, 5c), is reflected in such a way that it does not strike an active area segment (3, 3a, 3b, 3c) again.

The invention relates to the field of optical displacement sensors for measuring the three-dimensional shape of the surface of a measurement object. The optical sensor of the invention is configured to project measurement light into a plurality of discrete measurement regions via a first lens component with longitudinal chromatic dispersion, receive measurement light reflected from the intersection of the measurement object with one or more of the plurality of measurement regions and focus the received measurement light onto the surface of a diffractive or non-specular reflective component, and image measurement light diffracted or reflected from the diffractive or non-specular reflective component onto an active surface of a photodetector via a chromatically dispersive optical assembly and a mask. The position on the active surface of the photodetector at which measurement light is in focus depends on which measurement region of the plurality of measurement regions the measurement light was reflected from and the position within said measurement region from which the measurement light was reflected.

A coupler for joining a first pipe element and a second pipe element includes a first ring and a second ring attachable to the pipe elements. Each ring defines a groove and a plurality of receiving surfaces adjacent the groove. The segments are attachable end-to-end to surround the central space and the ring. Each section includes a key projecting toward the central space for engagement with each groove of the ring. Each section includes at least one active surface engageable with the receiving surfaces of the first and second rings. The engagement between the active surface and the receiving surface prevents rotation of the first pipe element and the second pipe element relative to each other. A method of assembling the coupler is also disclosed.

A spatial atomic layer deposition apparatus that includes a depositor head having an active surface configured to discharge a flow of a first precursor gas, a flow of a second precursor gas, and a flow of an inert gas that separates the flow of the first precursor gas and the flow of the second precursor gas, a substrate plate that opposes the depositor head and has a support surface for retaining a build substrate, a plurality of gap detection sensors producing an output signal indicative of a distance between the active surface of the depositor head and the support surface of the substrate plate, and a controller that communicates with the plurality of gap detection sensors. The gap detection sensors permit a spatial orientation of the active surface of the depositor head and the support surface of the substrate plate to be determined in real-time and monitored.

The present application belongs to the technical field of laser propulsion, and relates to a flexible solid metal working medium target band for laser propulsion and a preparation method thereof. The flexible solid metal working medium target band provided by the present application sequentially comprises, along the direction of laser transmission, a flexible transparent film substrate with an active surface subjected to corona treatment, an energy-containing light-absorbing layer arranged on the active surface, and a solid metal working medium layer arranged on the energy-containing light-absorbing layer, wherein the solid metal working medium layer is a bismuth-based solid metal with a melting point of 40-120 DEG C and subjected to surface oxidation treatment. The present application breaks through the problem that traditional metal working medium cannot be loaded on a transparent flexible substrate due to high melting point, changes the working mode that traditional metal working medium can only reflect ablation, and solves the difficult problem that a lens of a laser propulsion system is easily contaminated. The present application further provides a preparation method of the flexible solid metal working medium target band for laser propulsion, and the energy-containing light-absorbing layer and the solid metal working medium layer are applied on the flexible transparent film substrate by coating or the like.

An optical system, such as in a microlithographic projection exposure apparatus, comprises at least one mirror having an optical active surface and a mirror substrate made of a mirror substrate material. At least one cooling channel is provided in the mirror substrate through which a cooling fluid with a variably settable cooling-fluid temperature can flow. In a method of operating an optical system, the cooling-fluid temperature is set on the basis of an existing deviation between an actual value for the average zero-crossing temperature of the coefficient of thermal expansion of the mirror substrate material and a predefined setpoint for this average zero-crossing temperature. The cooling-fluid temperature is controlled during operation of the optical system. The control is effected on the basis of a feedforward model.

Examples herein include piezoelectric layers of an ultrasound transducer, ultrasound transducers, methods of manufacturing the transducers, and methods of manufacturing the piezoelectric layers of an ultrasound transducer. In one example, a piezoelectric layer of an ultrasound transducer include a non-metallic frame and a piezoelectric material. The non-metallic frame surrounds the piezoelectric material on at least two sides and is coupled to a lens support structure with a structure such that an acoustic lens and the piezoelectric material are oriented substantially parallel to each other. The piezoelectric material is sized to span an area greater than or equal to an active surface of the acoustic lens.

The invention relates to a method (500) for producing a camera (100), wherein the camera (100) comprises: an objective (101) having an objective housing (102) and at least one optical lens (103); a camera housing (111) having at least two pins (106-1, 106-2) protruding in a direction away from the objective (101); and a circuit board (107) with an imager module (108) fastened thereon, wherein the circuit board (107) is connected to the camera housing (111) by means of the pins (106-1, 106-2); wherein the method comprises the steps of: providing (501) the camera housing (111); providing (502) the circuit board (107), wherein an imager module (108) comprising an image sensor is fastened on the circuit board (107), and wherein the circuit board (107) comprises at least two receiving openings (109-1, 109-2) corresponding to the pins (106-1, 106-2) of the camera housing (111); introducing (503) the circuit board (107) into the camera housing (111), wherein the circuit board (107) is held by means of a gripper system, and wherein the pins (106-1, 106-2) of the camera housing (111) are guided through the receiving openings (109-1, 109-2) of the circuit board (107); measuring (504) an orientation of an active surface (201) of the image sensor fastened on the circuit board (107) relative to the camera housing (111) by means of an image recognition method; positioning (506) the circuit board (107) relative to the camera housing (111) by means of the gripper system, taking into account the orientation of the measured active surface (201); and fastening (507) the circuit board (107) to the camera housing (111).

The invention relates to the technical field of state monitoring and fault diagnosis of industrial automatic control systems, and provides a radio telescope active surface system state monitoring and fault diagnosis system for solving the technical problem that an existing telescope active surface system lacks multi-level equipment state monitoring and comprehensive fault diagnosis functions. Comprising a bottom-layer equipment execution layer, a middle control layer and a top-layer control layer which are in communication connection with one another, and the bottom-layer equipment execution layer obtains a primary diagnosis conclusion; the intermediate control layer obtains an intermediate diagnosis conclusion; and the top control layer obtains a fusion diagnosis conclusion. According to the method, fault and failure points of an actuator, controllers of all levels, power supply, communication and the like are accurately recognized and positioned through hierarchical diagnosis and superior fusion, high-reliability comprehensive decision and fault processing / recovery are achieved on a top control layer, and the diagnosis accuracy and the response speed are improved.

The invention relates to optical sensors for displacement / 2D profile sensing and multispectral and / or hyperspectral imaging. The invention also includes methods for using such sensors and for simultaneously measuring the displacement of a measurement object relative to the sensor, reconstructing the 2D profile or 3D shape of the measurement object, and / or multi / hyperspectral imaging of the measurement objection. The optical sensor is configured to project polychromatic measurement light including at least one marker into a measurement region, to focus measurement light reflected from the measurement region onto the surface of a first diffractive or non-specular reflective component using a first lens component with longitudinal chromatic dispersion and to image measurement light diffracted or reflected from the surface of the first diffractive or non-specular reflective component onto an active surface of a photodetector. The at least one marker is used to determine the displacement or profile of a measurement object positioned within the measurement region, and is used as an offset for determining the wavelength of light incident at each position on the photodetector.

The invention relates to an optical arrangement for a head-mounted display (200), which optical arrangement comprises an optical waveguide (8) having at least one Fresnel element (1) arranged in the optical waveguide, wherein the Fresnel element (1) has a Fresnel structure, which comprises a plurality of active surface segments (3, 3a, 3b, 3c) and a plurality of passive surface segments (5, 5a, 5b, 5c), wherein the passive surface segments (5, 5a, 5b, 5c) are arranged in a step-like manner between the active surface segments (3, 3a, 3b, 3c) and connect them to one another. The Fresnel structure is coated such that the active surface segments (3, 3a, 3b, 3c) have a first reflective coating (4) and the passive surface segments (5, 5a, 5b, 5c) have a second reflective coating (6), wherein the first reflective coating (4) and the second reflective coating (6) each comprise a number of layers (7, 7a, 7b, 7c, 7d, 7e, 7f) made of the same material and arranged in the same order such that the first reflective coating (4) and the second reflective coating (6) differ from one another only with respect to the thickness of the individual layers (7, 7a, 7b, 7c, 7d, 7e, 7f), wherein the coated Fresnel structure is arranged in the optical waveguide (8) such that display-emitted light which impinges on the Fresnel structure and is incident on a passive surface segment (5, 5a, 5b, 5c) after transmission through an active surface segment (3, 3a, 3b, 3c) is reflected in such a way that it is not incident on an active surface segment (3, 3a, 3b, 3c) again.

This application relates to ball grid arrays and associated devices and systems. A device can include a device substrate including a microelectronic device and bond pads proximate an active surface of the device substrate. A package substrate can be secured to the device substrate. A ball grid array can be supported on and electrically connected to the package substrate. Each ball positioned and configured to carry a high bandwidth data signal or a high frequency clock signal can be located laterally or longitudinally adjacent to no more than one other ball of the ball grid array configured to carry a high bandwidth data signal or a high frequency clock signal. Each ball positioned and configured to carry a high bandwidth data signal can be located only diagonally adjacent to any other ball configured to carry a high bandwidth data signal or a high frequency clock signal.

This invention relates to the field of optical displacement sensors for measuring the displacement of a measurement object relative to a sensor. The invention can be used in the context of displacement sensors for measuring the displacement of a measurement object relative to an optical sensor, for measuring the 2D contour of a measurement object, or for measuring the 3D shape of a measurement object. The optical sensor according to the invention is configured to: project multicolor measurement light into a measurement area; use an objective lens assembly to focus measurement light reflected from the intersection of the surface of the measurement object and the measurement area at a first focal point, such that the wavelength of the focused measurement light at the first focal point depends on the distance of the intersection of the surface of the measurement object and the measurement area from the objective lens assembly, wherein the first focal point is located within a first aperture; use a second lens assembly to focus measurement light received from the first aperture at different distances from the second lens assembly, depending on the wavelength of the received measurement light, onto the surface of a diffractive or non-reflective component; image the measurement light diffracted or reflected from the diffractive or non-reflective component onto a movable surface of a photodetector; and sense the intensity of light received at different locations on the movable surface of the photodetector.

Lighting device for a motor vehicle, in particular a headlight for a motor vehicle, comprising - at least one light source (1) from which light (4) is emitted during the operation of the light source, - an optical component (2) into which light (4) emitted by the at least one light source (1) enters, - Light-controlling means (9) with an active surface for selectively controlling individual pixels or groups of pixels of the light (4), wherein the light-controlling means (9) reflect or deflect incident light (4) in such a way that it at least partially exits the lighting device, - Lighting optics formed on or in the optical component (2), and the light (4) from the lighting optics is reflected or deflected onto the active surface of the light-controlling means (9) during operation of the lighting device, wherein the light-controlling means (9) are arranged outside the optical component (2) such that light (4) emanating from the lighting optics exits the optical component (2), strikes the active surface of the light-controlling means (9), is reflected or deflected by the latter, and then re-enters the optical component (2), characterized in that the light-controlling means (9) are in direct or indirect contact with an outer surface of the optical component (2), wherein a connecting layer (8) is arranged between the outer surface of the optical component (2) and the light-controlling means (9).and wherein the connecting layer (8) is designed to reduce light loss.

A cathodic arc evaporation apparatus includinga target having a target surface including an active surface from where material can be evaporated in a cathodic arc process;a confinement surrounding an outer border of the target surface;an anode having an electron receiving surface and encompassing at least one of the target and the confinement in at least one of a target plane and an axial distance in front of the active surface; anda magnetic guidance system adapted to provide a magnetic field at the target surface essentially in parallel to at least an outer region of the target surface so that magnetic field lines are parallel to the target surface or inclined to it in an acute angle α, whereat an active surface is defined in a surface area where magnetic field lines enter the target surface in an acute angle α≤45°.

The invention relates to the field of optical displacement sensors for measuring the displacement of a measurement object relative to the sensor. The invention may be used in the context of a displacement sensor for measuring the displacement of the measurement object relative to the optical sensor, for measuring the 2D profile of the measurement object, or for measuring the 3D shape of the measurement object. An optical sensor according to the present invention is configured to project polychromatic measurement light within a measurement region; using an objective lens component, focus measurement light reflected from the intersection of a surface of the measurement object and the measurement region at a first focus point such that the wavelength of the focused measurement light at the first focus point depends on the distance of the intersection of the surface of the measurement object and the measurement region from the objective lens component, wherein the first focus point is located within a first aperture; using a second lens component, focus measurement light received from the first aperture onto the surface of a diffractive or non-specular reflective component at different distances from the second lens component depending on the wavelength of the received measurement light; image measurement light diffracted or reflected from the diffractive or non-specular reflective component onto an active surface of a photodetector; and sense the intensity of light received at different positions on the active surface of the photodetector.