2301results about "Mirrors" patented technology

The present disclosure relates to a mirror assembly having a housing, a first mirror, a second mirror, a light source, and a sensor assembly. The first mirror can be positioned within an opening of the housing. The front surface of the second mirror can be coupled to a rear surface of the first mirror. The light source can be disposed on or at least partially around the first mirror. The sensor assembly can be positioned between a rear surface of the second mirror and the housing. The sensor assembly can include a transmitter positioned behind the rear surface of the second mirror and a receiver positioned behind the rear surface of the second mirror. The light source can be activated when the sensor assembly detects a user's presence.

Method for compensating liquid-transmitted acoustic disturbances of a liquid-tempered optical component (110) of a lithography system (1), wherein the disturbances of the optical component (110) as a first optical component (110) are compensated by means of a non-liquid-tempered second optical component (112) of the lithography system (1), comprising the steps: a) Receiving (S1) a first and second actual value (y 1 , y 2 ) of a position (P 1 , P 2 ) corresponding to the first and second optical components (110, 112), and b) Rules (S3) of the position (P 2 ) of the second optical component (112) to an adjusted target value (r 2 ) of the position (P 2 ) of the second optical component (112), which is set to an initial target value (r i ) of the position (P 2) of the second optical component (112) and the first actual value (y 1 ) of the position (P 1 ) of the first optical component (110).

The present application discloses a head-up display glass and a head-up display system. The head-up display glass includes laminated glass and a reflective film layer; the laminated glass includes an outer glass plate, a polymer interlayer, and an inner glass plate; the reflective film layer includes an inner barrier layer, an improvement layer, and at least one laminated structure arranged in a stacked manner. The inner barrier layer can block the damage of alkali metal ions on the glass surface to the improvement layer during the heat treatment process and block the oxidation of the improvement layer caused by the diffusion of oxygen. The improvement layer can further improve the reflectivity of the reflective film layer to P-polarized light while maintaining a low reflectivity of the reflective film layer to visible light, so that when the driver inside the vehicle visually observes the reflective image of the head-up display glass, only the reflective image of the reflective film layer can be observed, thus eliminating the visual ghosting phenomenon; moreover, the reflectivity of the head-up display glass in the present application to visible light is less than or equal to 15%, and no obvious reflection phenomenon can be observed inside the vehicle.

The invention discloses a coated reflecting film based on an organic fluorescent coating and a preparation method of the coated reflecting film, tetra (4-aminophenyl) methane and tetra-(4-formyl-(1, 1-biphenyl)) ethylene are used as reaction monomers to prepare a novel topological structure [4 + 4] COF (3D-TPE-COF) with a tetraphenylethylene (TPE) unit, and the novel topological structure [4 + 4] COF (3D-TPE-COF) is used for preparing the reflective film based on the organic fluorescent coating. The covalent organic framework material 3D-TPE-COF is added into coating liquid as a fluorescent material to prepare a coating reflecting film based on an organic fluorescent coating, and the obtained reflecting film can convert high-energy blue light, so that the brightness of light emitted by a backlight module is higher and closer to white; meanwhile, the 3D-TPE-COF fluorescent material and the polymer particles can form hydrogen bonds in the coating liquid to avoid aggregation of the polymer particles, so that the wear resistance and scratch resistance of the coating reflecting film are improved.

The embodiment of the invention provides head-up display glass, a head-up display system and a vehicle, which can improve the permeability of a function display area of the head-up display glass and improve the visibility of a driver and passengers to the outside of the vehicle. The head-up display glass comprises a glass substrate and a functional reflecting layer, wherein the functional reflecting layer is arranged on the inner surface of the glass substrate; the head-up display glass comprises a visual field area, a function display area and a shielding area, the function display area comprises at least one semitransparent display area located between the visual field area and the shielding area, and the total visible light transmittance of the semitransparent display area is smaller than or equal to the total visible light transmittance of the visual field area and larger than the total visible light transmittance of the shielding area. At least part of the semitransparent display area is covered by the functional reflecting layer, the part, covered by the functional reflecting layer, of the semitransparent display area has main image reflectivity RL1 and auxiliary image reflectivity RL2 for projection light, and the ratio RR12 of the main image reflectivity RL1 to the auxiliary image reflectivity RL2 is larger than or equal to 15.

The invention discloses a reflector structure for a projection imaging lens, which comprises a reflector body, the reflector body is placed in an optical projection imaging lens with more than two lenses, and the reflector body comprises a middle light-passing area, a middle light-passing area and a middle light-passing area, so that light of the optical projection imaging lens is emitted through the middle light-passing area to become direct emergent light; the upper end of the first reflecting region is small and the lower end is large; the upper end of the second reflecting region is large and the lower end is small; the optical projection imaging lens is vertically placed, the light source or the image source is arranged below the optical projection imaging lens, and the lens is arranged above the optical projection imaging lens; the reflector body is configured to be matched with a circular projection imaging lens in rotational symmetry or a projection imaging lens in a non-rotational symmetry structure. The surface brightness and uniformity of the light-emitting surface of the projection lens are improved.

The invention belongs to the field of optical systems, and particularly relates to an entrance pupil front refrigeration type free-form surface off-axis four-mirror optical system. The optical system comprises a first reflecting mirror, a second reflecting mirror, a third reflecting mirror, a fourth reflecting mirror, a detector window and a detector cold diaphragm which are sequentially arranged from an object plane to a focal plane, wherein the first reflecting mirror is arranged at a position close to the object plane; the second reflecting mirror is arranged on a reflecting light path of the first reflecting mirror; the third reflecting mirror is arranged on a reflecting light path of the second reflecting mirror; the fourth reflecting mirror is arranged on a reflecting light path of the third reflecting mirror; and a detector window and a detector cold diaphragm are sequentially arranged on a reflection light path of the fourth reflector. According to the invention, the modular design of the reflective off-axis optical system can be realized, and the integration level and interchangeability of the photoelectric system are improved; and the relative aperture is larger, so that the detection sensitivity of the optical system is further improved while the optical path structure is kept compact.

The invention relates to a method for the temporary fixing of micro-electro-mechanically movable elements (100), in particular those that can be used in equipment for semiconductor technology. In the method for temporarily fixing an element (100) that is micro-electro-mechanically movable relative to a basic structure (101) in at least one degree of freedom by at least one actuator (102), the fixing is carried out by filling at least one cavity (103) provided for the movement of the element, wherein - the material (202) intended for filling the at least one cavity (103) is introduced into the at least one cavity (103) in gaseous form in such a way that the material (202) is adsorbed and fills the at least one cavity (103) in layers, and - wherein at least one surface (200) of the movable element (100) to be kept free of the material (202) intended for filling is heated to a temperature above the sublimation temperature of the material (202) in order to prevent adsorption of the material (202) on the at least one surface (200) to be kept free. The invention also relates to a micro-electro-mechanically movable element (100) which is or was fixed by a method according to the invention.

The invention provides a preparation method of a multilayer film plane window reflector film system, which adopts a vacuum evaporation method, the structure of the film system is G (Hf-SiO2) n (A), a reflecting film takes HfO2 as a high-refractive-index material and takes SiO2 as a low-refractive-index material, and the HfO2 layer is completed by evaporating Hf deposition in an oxygen-containing vacuum environment. According to the method disclosed by the invention, the TOLLING value parameters are captured for multiple times in stages in the coating process, so that the performance of the prepared plane window reflecting mirror can be remarkably improved, the plane window reflecting mirror is closer to a design value, and the method has important application in preparation of a high-performance beam splitting film.

The invention relates to a common-aperture double-linear-array surveying and mapping camera optical system based on secondary mirror multiplexing, and belongs to the technical field of space remote sensing measurement. The optical system comprises two double-line-scan digital cameras which share the same aperture diaphragm and the same main reflector. According to the optical system, an integrated structure that the double-line-scan digital camera shares the primary mirror and a structure that the secondary mirror and the fourth mirror are coplanar and most of effective areas are overlapped are adopted at the same time, the double-line-scan digital camera is subjected to integrated structure design, the measurement precision regulation and control difficulty is reduced, and the surveying and mapping precision is improved; and a free-form surface is also introduced to realize coplanarity of the secondary mirror and the fourth mirror, so that two reflection areas of the coplanar reflector are overlapped, and the volume and the mass of the coplanar reflector are reduced. On the basis that three reflectors of the optical system are reduced, the focal plane is placed between the main reflector and the third reflector, light is overlapped on the premise that the image quality is not reduced, the size of the optical system is compressed, the space utilization rate of the system is improved, and the emission cost is reduced.

Method for operating an EUV mirror system, in which heating radiation emitted by a radiation source (41) is directed onto an EUV mirror (M1-M6) using a heating device (29). A portion of the heating radiation (32) is coupled out. A sensor (39) records measured values ​​relating to the radiant power of the coupled-out portion (38) of the heating radiation (32). A first comparison is performed between an absolute value (47) of the measured radiant power and a first threshold value (44). A second comparison is performed between a rate of change (48) of the measured radiant power and a second threshold value (46). The first comparison and the second comparison are evaluated in order to determine an error in the heating device (29). The invention also relates to an EUV mirror system and a microlithographic projection exposure system.

The invention relates to an optically variable security element (12) for securing valuables (10), having a reflective surface area (14) containing a plurality of reflective pixel elements (20) which together produce an optically variable motif representation, the appearance of which changes when the security element is tilted along a first direction (16) in the plane of the reflective surface area.According to the invention, it is provided that the pixel elements (20) along the first direction (16) each have an inclination to the reflective surface region (14) which is constant except for any isolated discontinuities, that the pixel elements (20) along a second direction (18) perpendicular to the first direction in the plane of the reflective surface region each have an inclination to the reflective surface region (14), which inclination varies in the entire surface region (14) or in two or more partial surface regions (52, 54; 60, 62, 64) visible to the naked eye, in each case except for any isolated discontinuities, within a predetermined inclination range, whereby the optically variable motif representation appears with a substantially uniform brightness in the entire surface region or in the said partial surface regions when tilted along the second direction (18).

The present invention relates to optical coupling between optical components and, more particular, to an optical probe (1) configured for optical testing of at least one micro-optical component (50), to a method for producing an optical probe (1), and to a method for optical testing of at least one micro-optical component (50). The optical probe (1) is comprising: - a probe head (10), wherein the probe head (10) comprises a test component (2); - at least one micro-optical element (20), wherein the micro-optical element (20) is a separate element with regard to the test component (2) and in mechanical contact with the test component (2), wherein the micro-optical element (20) is configured to optically couple light (3) between the test component (2) and the micro-optical component (50), thereby being configured to determine an optical performance of the micro-optical component (50), and wherein the micro-optical element (20) is configured to be operated in an index matching liquid (17).

The present disclosure provides a skin treatment apparatus, including: a housing provided with a light outlet area; a light-emitting component arranged in the housing; a cold compress component disposed at the light outlet area for cooling the skin; and a heat dissipation component. The light-emitting component is configured to generate light irradiated to a skin to be treated from the light outlet area. The heat dissipation component includes: a fan, a temperature equalizing plate, and a heat dissipation sheet mounted on the temperature equalizing plate. The fan is defined with a first air vent, one end of the temperature equalizing plate is thermally connected to the cold compress component, and the other end of the temperature equalizing plate is located at the first air vent.

The invention relates to a device and a method for coating an optical element. The invention is particularly applicable to coating an optical element for a microlithographic projection exposure system designed for operation in DUV or EUV. A device according to the invention comprises a substrate holder (160) and a source unit (110, 120, 210, 220, 230, 310, 410, 510) for applying and / or modifying a coating on a substrate (100, 200, 300, 400, 500) located on the substrate holder (160) during operation of the device. During operation of the device, a relative position between the source unit and the substrate located on the substrate holder can be variably adjusted, and the coating effect achieved by the source unit on the substrate can be manipulated depending on the adjusted relative position.

The invention relates to a thermalization plate (30) for a system (1,101) of semiconductor technology with at least two thermalization plate elements (40,41,50,51,52), wherein the thermalization plate (30) is characterized in that at least one thermalization plate element (40,41) is manufactured using an additive manufacturing process. Furthermore, the invention relates to a system (1,101) for semiconductor technology, in particular a projection exposure system (1,101). Furthermore, the invention relates to a method for manufacturing a thermalization plate (30) for a semiconductor technology system (1,101), with at least two interconnected thermalization plate elements (40,41,50,51,52), wherein at least one thermalization plate element (40,41) is manufactured using an additive manufacturing process and comprises the following process steps: - Production of at least one thermalization sheet element (40,41) using an additive manufacturing process. - Joining of the thermalization sheet elements (40,41,50,51,52) by laser welding.

The disclosure relates to an optical system for an augmented reality apparatus, comprising: an image projection source; and a polarizing beam splitter. The polarizing beam splitter is arranged such that light emitted from the image projection source is able to be non-perpendicularly incident on the beam splitting side and be at least partially reflected. The polarizing beam splitter is configured such that a polarized light component passes through the polarizing beam splitter and is transmitted through the transmission side thereof, and a polarized light component is reflected from the beam splitting side. The optical system also comprises a polarizer disposed between the image projection source and the polarizing beam splitter, and the polarizer is configured to allow polarized light, whose polarization is in the second direction, to be transmitted therethrough and polarized light, whose polarization is in the first direction to be absorbed.

The invention relates to a device (15) for determining the transmission and / or reflection behavior of at least one optical element, in particular mirrors (M1-M10), of a lens (7) comprising several optical elements, an image plane (9), and an object plane (5), in particular an EUV lens, with at least one light source (2), at least one sensor (16, 17), and a useful beam path (N). It is provided that at least one optical test element (18, 19) of the device (15) is arranged or can be arranged in the object plane (5) or in the image plane (8), and that the test element (18, 19) is configured such that it generates a test beam path (T1, T2) in the object plane (5) or the image plane (9), through which the light from the light source (2), influenced by the at least one optical element, is directed to the at least one sensor (16, 17) located outside the useful beam path (N).

The invention provides a micro-nano structure reflecting mirror processing method and system and a micro-nano structure reflecting mirror, and the method can comprise the steps: processing a mirror surface of an initial mirror structure, and obtaining an initial lens; wherein the surface shape of the mirror surface of the initial lens reaches a first set threshold value; plating a reflecting film on the first surface of the initial lens to obtain an initial reflector; performing surface shape correction on the second surface of the initial reflector; processing a micro-nano structure on the second surface after surface shape correction to obtain a micro-nano structure reflector; wherein the second surface and the first surface are different surfaces. Through the processing method, the precision of the micro-nano structure reflector can be improved.

The present invention relates to a flexible optical variable thin film with light-induced angle-dependent color change and a preparation method thereof. The base film is selected from one of biaxially oriented polyester film (BOPET), biaxially oriented polypropylene film (BOPP), OPP and nylon (PA) film. By using suitable equipment, processes and materials, an adhesive layer, a reflective layer, a refractive layer and a protective layer are plated and coated based on metals Cr\AL and polymers. It is fully considered that the finished product can still maintain flexibility after the drying and forming of each film layer, and light can propagate between different film layers. As a result of multiple reflections and refractions interacting with each other, an interference phenomenon of "two-color effect" of light occurs, resulting in a light-induced angle-dependent color change effect, and endowing the thin film with different bright lights and colors from multiple perspectives.

A component (200A, 200B, 200C) for an optical system (100), comprising a substrate (202), a receiving space (226) which is sealed gas-tight from an environment (220) of the component (200A, 200B, 200C) and which is arranged within the substrate (202), an inner tube (210) through which a temperature control medium (K) can flow, which is arranged within the receiving space (226), and a compressible medium (M) which is provided within the receiving space (226) and outside the inner tube (210).

A device (10) for changing the shape of a surface (12) of an object (14) comprises a shape manipulation device (16) configured to effect a change in the surface of the object in at least two processing operations as a function of a control variable (56), wherein at least a portion of the surface is processed in each of the processing operations. Furthermore, the device comprises a control device (50) configured to determine, from a predetermined target change (52) in the surface shape of the object, a specification (56v) for the control variable (56) of the shape manipulation device by means of an optimization (60), in which the total time required to generate the surface change resulting from the at least two processing operations is minimized.

Collector device for collecting the electromagnetic radiation (30) emitted by a radiation source (14), wherein the collector device (15) is configured such that electromagnetic radiation (30) incident at a first focal point (26) is directed to a second focal point (27). The collector device comprises a first shell (31, 32, 33) made of a material transparent to the electromagnetic radiation (30), wherein the first shell (31, 32, 33) is coated with a first reflective layer (35, 36, 37) made of aluminum. The collector device comprises a second shell (32, 33, 34) made of a material transparent to the electromagnetic radiation (30), wherein the second shell (32, 33, 34) is coated with a second reflective layer (36, 37, 38) made of aluminum.The first shell (35, 36, 37) and the second shell (36, 37, 38) are arranged coaxially with respect to an axis (28) spanning between the first focal point (26) and the second focal point (27), wherein the first shell (31, 32, 33) forms a first back mirror off which the electromagnetic radiation (30) between the first focal point (26) and the second focal point (27) is reflected, and wherein the second shell (32, 33, 34) forms a second back mirror off which the electromagnetic radiation (30) between the first focal point (26) and the second focal point (27) is reflected. The invention also relates to a wafer inspection system with such a collector device.

An optical system (100, 200A) for a projection exposure apparatus (1), comprising a first component (202), a second component (204), and a transport lock (214A) for applying a locking force (FV) to the first component (202) in order to fix the first component (202) to the second component (204) so ​​that the first component (202) is secured against relative movements with respect to the second component (204) during transport of the optical system (100, 200A), wherein the transport lock (214A) has a force transducer (226) for detecting the locking force (FV), so that the fixing of the first component (202) to the second component (204) is force-controlled.

The invention relates to a method for reducing long-term changes (ΔP) in a pass (P) of an optical surface (25a) of an optical element (Mi), preferably a mirror, in particular an EUV mirror. The method comprises processing the optical element (Mi), preferably a substrate (25) of the optical element (Mi), outside the optical surface (25a) to reduce surface damage, in particular to reduce surface roughness R. a, of the optical element (Mi) outside the optical surface (25a). During processing, material is preferably removed from the substrate (25) of the optical element (Mi) by brushing with at least one brush tool (27). The invention also relates to an optical element (Mi) comprising: an optical surface (25a), preferably for reflecting radiation, in particular for reflecting EUV radiation. The optical element (Mi), preferably a substrate (25) of the optical element (Mi) that is particularly transparent, has a surface roughness R on one or more partial surfaces outside the optical surface (25a). aof 5 µm or less, preferably of 3 µm or less, particularly preferably of 1.5 µm or less, and / or the partial surface or the multiple partial surfaces are transparent. The invention also relates to a semiconductor lithography system comprising at least one such optical element (Mi), which is preferably arranged in a projection optic (10).

A vehicular interior rearview mirror assembly includes a mounting structure and a mirror head that accommodates a mirror reflective element. The mirror reflective element includes a substrate having a first surface and a second surface opposite the first surface. A spectral-selective mirror transflector is disposed at the substrate. The spectral-selective mirror transflector includes a stack of coatings having a first coating of an oxide of niobium, a second coating of an oxide of silicon and a third coating of an oxide of niobium. The first coating is closer to the second surface than the second and third coatings, and the second coating is sandwiched between the first coating and the third coating. With the vehicular interior rearview mirror assembly mounted at an interior portion of an interior cabin of a vehicle, a driver of the vehicle viewing the mirror reflective element sees a blue-tinted mirror reflective element.

In a method for producing an optical system with at least one optical element, which has an optical active surface and a heating head (HK) of a heating arrangement assigned to the optical element for exposing the optical active surface to IR radiation, optical elements for establishing an optical beam path are installed at assigned installation positions in a housing. Furthermore, at least one heating head is installed at an installation position on the housing such that heating radiation emitted by the heating head is directed onto the optical active surface of an assigned optical element (M). The heating head is adjusted in order to achieve a desired alignment of the heating head with respect to the assigned optical element. During the adjustment operation, the current position of the installed heating head with respect to the assigned optical element is determined using a preferably optical position measurement.If the determined position deviation data indicate a position deviation that exceeds a predefined threshold, the position of the heating head at the installation position is changed to approximate the target position.

A head mounted display, the head mounted display comprising: (1) an electronic display configured to emit light; and (2) a pancake lens optically coupled to the electronic display, the pancake lens including a beam splitter configured to (A) transmit a spatially averaged portion of the light and (B) reflect an additional spatially averaged portion of the light that is smaller than the spatially averaged portion of the light. Various other apparatuses, devices, systems, and methods are also disclosed.

A method for regulating flow of electromagnetic radiation into a volume such as a duct includes defining on a reflective surface an array of two or more ridges which are arranged side by side and projecting toward the source. Each ridge is formed by reflective ridge surfaces converging toward an apex so that the reflection directions of the surfaces are different. The ridges are arranged relative to the source so that first reflective ridge surface reflects primarily toward the upstream location and second reflective ridge surface reflects onto the first reflective ridge surface of a next adjacent ridge and thereby primarily toward the upstream location so that the array of ridges acts to form a restriction to flow of radiation toward the downstream location. This can increase an amount of the radiation within the duct by reflecting the radiation back into the duct and to reduce an amount of radiation escaping the duct.

The present application relates to the anti-counterfeiting technical field and discloses an anti-counterfeiting element that comprises: a dynamic pattern, wherein the dynamic pattern comprises at least one bright line, and a feature area is an area range within which the bright line moves; wherein the feature area comprises a plurality of curved-surface structures, each curved-surface structure has a plurality of light coordinate zones parallel to a surface of the feature area, each of the light coordinate zones includes a first direction and a second direction, respective ones of the light coordinate zones correspond to line segments with different curvatures on the bright line in one-to-one correspondence; the curved-surface structure is shaped in a curved manner along the first direction, wherein a bending degree of the curved-surface structure along the second direction is less than that of the curved-surface structure along the first direction. By arranging each curved-surface structure to be shaped in a curved manner along the first direction, for incident light in a predetermined direction, emergent light from the curved-surface structure can come out over a fan-shaped direction range, so that angle distribution of the emergent light is more uniform, that is, an effect equivalent to the combination effect obtained by a plurality of reflective facets in the prior art can be obtained with each single curved-surface structure, therefore, a clearer dynamic effect can be achieved for movement of the bright line.