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Manufacturing method of lens module, mold, lens module and sensor device
PendingCN121004786AWave based measurement systemsOptical articlesMechanical engineeringLight emission
The invention relates to the technical field of semiconductor luminescence, and discloses a manufacturing method of a lens module, a mold, the lens module and a sensor device. The manufacturing method comprises the following steps: S1, arranging at least two cavity structures with upper and lower openings in the bearing part; the upper mold and the lower mold are each internally provided with a mold cavity with an opening in one side. And mold cavities of the upper mold and the lower mold extend into the cavity structure from the upper opening end and the lower opening end of the bearing part correspondingly to be aligned and closed. And a gap is reserved between the upper mold and the lower mold in the mold closing process. And S2, a mold cavity for mold closing is filled with the light-transmitting glue, and the redundant light-transmitting glue flows out through gaps in the peripheries of the upper mold and the lower mold and adheres to the inner wall of the bearing part. And S3, after curing, the upper mold and the lower mold are moved away, and a first lens and a second lens are formed in the two cavity structures respectively. The manufacturing method is simple and high in efficiency, and the manufactured sensor device is simple and stable in structure, good in sealing performance, high in precision and easy to optically design.
Owner:SHENZHEN OPTISEEN TECHNOLOGY CO LTD
Pre-compensation flexible assembling and adjusting mechanism of large-aperture transmission reflector
The invention relates to a pre-compensation flexible assembling and adjusting mechanism of a large-diameter transmission reflector. The pre-compensation flexible assembling and adjusting mechanism comprises the large-diameter transmission reflector, a glue joint mandrel, an isolation telecentric flexible hinge, an isolation plate, a hooke flexible hinge, an adjusting flexible branch chain, an anti-rotation flexible branch chain, a back plate and a driving assembly. The large-aperture transmission reflector is provided with three blind holes for glue joint, and is connected with the isolation plate through three groups of glue joint mandrels and isolation telecentric flexible hinges, so that isolation of load deformation interference of the isolation plate is realized; the driving ends of the two adjusting flexible branch chains are correspondingly connected with two driving assemblies installed on the back plate, and the connecting ends of the adjusting flexible branch chains are connected with the isolation plate. One ends of the Hooke flexible hinges and the anti-rotation flexible branch chains are connected with the isolation plate, and the other ends are connected with the back plate; the device has the advantages of being simple in structural form, stable in movement and high in precision, meanwhile, the return clearance caused by axial load reversing under heavy loads can be avoided, the additional surface shape caused by assembling and adjusting stress is effectively isolated, and the additional surface shape caused by gravity is compensated.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Microscopic automatic focusing method and system based on image gray histogram features
The invention provides a microscopic automatic focusing method and system based on image gray histogram characteristics, and the method comprises the steps: collecting an image sequence under different focal lengths, carrying out the fuzzy processing, extracting a gray histogram of each frame of image, and calculating the peak position and full width at half maximum of the histogram as the evaluation characteristics of the image definition; calculating the variance of each feature and automatically allocating a weight according to the relative response degree; and finally, comprehensively evaluating the image definition through a weighted definition scoring function, and selecting the focal length corresponding to the image with the optimal score as the optimal focusing position. The method is based on the global features of the gray histogram, is high in anti-noise capability, is adaptive to different imaging scenes through weight adaptive adjustment, is low in calculation complexity, supports real-time focusing, is especially suitable for high-noise fluorescence microscopic imaging scenes, is high in system portability, is low in operation threshold, and effectively improves the accuracy and stability of microscopic automatic focusing.
Owner:SHANGHAI JIAOTONG UNIV
A turning mirror AA lamination assembly and lamination method
ActiveCN120821046BLiquid surface applicatorsFlexible article cleaningRobot handMechanical engineering
The present application relates to the technical field of mirror turning attachment, and particularly relates to a mirror turning AA attachment assembly and an attachment method. The mirror turning AA attachment assembly comprises a lens attachment device, a frame fixing device and a transfer device. The lens attachment device comprises a lens fixing device, a lens feeding device and a lens cleaning device. The frame fixing device comprises a frame fixing device, a frame feeding device, a frame feeding device, a frame cleaning device, a dispensing device and a frame detection device. The mirror turning AA attachment assembly has the advantages that the pollutants on the attachment surfaces of the lens and the frame are removed, and the quality is improved. The deviation caused by the process of the mechanical hand handing over the lens to the lens AA attachment mechanism and the deviation caused by the process of the mechanical hand handing over the frame to the main shaft are corrected, the deviation accumulation is reduced, and the position is accurate when the final lens and the frame are attached together.
Owner:SHENZHEN AGILEBULL TECH CO LTD
Aperture unit
An aperture unit having an optical axis is provided, which includes a fixed portion having a first surface and including a protrusion formed on the first surface, a guiding element movably connected to the fixed portion and including a through hole, a first blade movably connected to the guiding element and the fixed portion, and a driving assembly use for driving the guiding element to move for moving the first blade. The optical axis passes through the through hole. The first surface has a first accommodating space having a recessed structure to accommodate the guiding element, and the protrusion extends toward the first blade.
Owner:ACTUTEK CORP
Optical element driving mechanism
An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.
Owner:ACTUTEK CORP
Reflection driving assembly, magnet assembling method therefor, reflection module and camera module
The present application belongs to the technical field of camera modules. Disclosed are a reflection driving assembly, a magnet assembling method therefor, a reflection module and a camera module. The reflection driving assembly comprises: a reflection base; a carrier, which is rotatably arranged on the reflection base and is adapted to carry a reflection element, the reflection element being able to reflect light rays in a direction parallel to a first axis to a direction parallel to a second axis; a reflection driving part, which comprises a second rotating magnet and a second rotating coil that are arranged opposite to each other so as to drive the carrier to rotate about a third axis with respect to the reflection base, the third axis being perpendicular to the first axis and the second axis; and a rotation position sensing part, which comprises a first sensing magnet and a first rotation sensing element that are adapted to measure the angle of rotation of the carrier about the third axis, the first sensing magnet and the second rotating magnet being arranged opposite to each other in a direction perpendicular to the third axis, and the first rotation sensing element being adapted to simultaneously sense magnetic fields of the first sensing magnet and the second rotating magnet. The present application can accurately sense the position of rotation of the carrier about the third axis, so as to implement closed-loop control.
Owner:NINGBO SUNNY OPOTECH CO LTD
Lens assembly and electronic device including same
A lens assembly is provided. The lens assembly includes lenses arranged along a direction of a first optical axis from an object side, an image sensor receiving light guided through the lenses, the image sensor includes an imaging surface inclined with respect to the first optical axis, a first optical member disposed between the lenses and the image sensor, the first optical member receiving light incident through the lenses in a direction of the first optical axis and emitting the light along a direction of a second optical axis crossing the first optical axis, and a second optical member disposed between the first optical member and the image sensor, the second optical member receiving light through the first optical member in the direction of the second optical axis and emitting the light to the image sensor along a direction of a third optical axis crossing the second optical axis.
Owner:SAMSUNG ELECTRONICS CO LTD
Focusing method, device and equipment
The invention provides a focusing method, device and equipment. The method comprises the following steps: determining pixel offset between a red channel image and a green channel image of a tissue slice; the red channel image and the green channel image are a red channel image and a green channel image of a tissue slice in a ghosting image captured by the color image sensor when a red light filter, a green light filter and double optical wedges in the focusing module are modulated at the same time; determining an out-of-focus distance according to the pixel offset and a preset corresponding relation; the preset corresponding relation is the corresponding relation between the pixel offset and the defocus distance; and focusing according to the out-of-focus distance. According to the method provided by the embodiment of the invention, the problem that positive and negative defocusing directions cannot be distinguished through a single-frame image in a phase shift detection automatic focusing technology based on image monochromatic double-hole modulation is solved, and the problem of time waste caused by high-speed switching of an illumination light source in an automatic focusing technology based on red-green double-LED illumination is solved; and meanwhile, the problem that a phase shift detection automatic focusing technology based on pupil segmentation images is relatively small in focusing range is solved.
Owner:XIDIAN UNIV HANGZHOU RES INST +1
Optical system
ActiveUS12501136B2Projector focusing arrangementCamera focusing arrangementOptic systemMechanical engineering
An optical system is provided. The optical system includes a movable portion, a fixed portion, and a driving assembly. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The driving assembly is located between the movable portion and the fixed portion.
Owner:ACTUTEK CORP
Light beam scanning device of integrated photonics chip and testing method
The invention provides a light beam scanning device of an integrated photonics chip and a test method. The light beam scanning device of the integrated photonics chip comprises a chip sample table, a chip sample table base, a light beam receiver connected with a lens cone and a horizontally arranged turntable base, the lens barrel is arranged above the turntable base, and a diaphragm adjusting structure and at least four lens groups are arranged in the lens barrel; the central point of the chip sample table base is overlapped with the central point of the turntable base, the chip sample table base is positioned above the turntable base, and the chip sample table is vertically arranged at the central point of the chip sample table base. Through switching of different lens groups in the lens cone, measurement of far and near fields of the to-be-tested chip is realized by using the same lens cone, the lens cone is arranged on the turntable base, and the test angle range can be adjusted according to specific test requirements so that various chip test requirements can be met.
Owner:HONG KONG UNIV OF SCI & TECH (GUANGZHOU)
Binocular and focusing device
The invention relates to a binocular having two tubes, which are connected to one another by means of a hinged bridge pivotable about a hinge axis for adjusting the interpupillary distance, wherein an axially displaceable focusing means is arranged in each one of the two tubes, and wherein a common focusing device for displacing the focusing means is formed, wherein the focusing device comprises a housing and a focusing knob rotatable about a rotational axis and the rotational axis is arranged coaxially to the hinge axis, and wherein the focusing knob is rotationally coupled to a focusing gear and the focusing gear, in each case, comprises a push rod, by means of which the focusing gear is, in each case, coupled to one of the two focusing means, wherein a direction of a back-and-forth displacement of the push rod and a direction of the hinge axis are aligned obliquely with respect to each other.
Owner:SWAROVSKI-OPTIK AG & CO KG
Low-stress assembly structure of off-axis two-reflector system
The invention discloses a low-stress assembly structure of an off-axis two-reflector system. The low-stress assembly structure comprises a large-caliber off-axis parabolic reflector clamping mechanism, a small-caliber off-axis parabolic reflector clamping mechanism and a connecting long plate, the large-aperture reflector realizes flexible surface contact support by adopting a hook surface magic tape, the back of the large-aperture reflector protrudes out of the magic tape, the mass of the protruding part of the back and the mass of non-uniformly distributed paraboloids are balanced, and the gravity deformation of the paraboloids is effectively weakened. The small-caliber reflector realizes V-shaped contact clamping through two cylindrical pins which are arranged at an angle of 120 degrees, and the back of the small-caliber reflector also protrudes out of the cylindrical pins. The two clamping mechanisms both adopt a composite constraint mode of rotation limiting of a plane-parallel block, movement limiting of a flexible jackscrew and back silica gel gluing. The two mechanisms are rigidly connected into a whole through the long connecting plate. Through the back protruding supporting design and the flexible constraint mechanism, surface shape distortion caused by clamping stress and self weight is reduced, and the system stability and the optical performance are improved.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Optical imaging system
An optical imaging system includes a first lens having a negative refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. At least five of the lenses are made of a plastic material.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD
Method and assembly device for mounting an optical element for microlithography with a mounting element and optical module for microlithography
PendingDE102024207579A1Adhesive processesPhotomechanical exposure apparatusOptical ModuleMechanical engineering
A method for mounting, preferably bonding, an optical element (14) for microlithography to a mounting element (2) is presented and described, as is a mounting device (1) for mounting, preferably bonding, an optical element (14) for microlithography to a mounting element (2). The described method and mounting device are proposed to enable fast and precise mounting of an optical element (14) for microlithography to a mounting element (2), regardless of the diameter of the receiving opening (11) of the mounting element (2). An optical module for microlithography is also described.
Owner:CARL ZEISS SMT GMBH
Optical element driving mechanism
An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed assembly, a movable part, and a driving assembly. The fixed assembly has a main axis. The movable part is configured to be connected to an optical element, and the movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly.
Owner:TDK CORP
Optical element driving mechanism
An optical element driving mechanism comprises a first movable part, a fixed part, a driving assembly and a first intermediate element. The first movable part is used for connecting a first optical element. The first movable part can move relative to the fixed part. The driving assembly is used for driving the first movable part to move relative to the fixed part. The first intermediate element is movably connected with the first movable part.
Owner:AITE TECHNOLOGY CO LTD
Spring member, camera module, and electronic apparatus
Owner:TOPPAN HOLDINGS INC
Carrier of camera module, manufacturing method and camera module
ActiveCN121239936APrintersNon-rotating vibration suppressionManufacturing cost reductionOptical axis
The invention discloses a carrier of a camera module, a manufacturing method and the camera module, the carrier of the camera module comprises a main body, the main body comprises a plurality of side parts, each side part is arranged around the optical axis of the camera module, a corner part is formed at the joint of two adjacent side parts, and the main body is subjected to first injection molding and has first rigidity; the insert is wrapped on the main body, and the insert is made of a metal material; the buffering part is formed at the corner part through secondary injection molding, the buffering part comprises a buffering section, the buffering section protrudes out of the surface of the main body in the movement direction of the carrier, the buffering part has second rigidity, and the second rigidity is smaller than the first rigidity. Through the first injection molding and the second injection molding, high integration of the main body, the insert and the buffer part can be realized, in other words, the integration of the carrier can be improved, the overall size of the carrier is effectively reduced, meanwhile, the supply chain and the assembly process of the carrier are simplified, the production efficiency of the carrier and the camera module is improved, and the manufacturing cost is reduced.
Owner:NINGBO SUNNY OPOTECH CO LTD
Photonic computing platform
A method for assembling a photonic computing system includes attaching a photonic source to a support structure, and attaching a photonic integrated circuit to the support structure. The photonic source includes a first laser die on a substrate configured to provide a first optical beam, and a second laser die on the substrate configured to provide a second optical beam. The photonic integrated circuit includes a first waveguide and a first coupler coupled to the first waveguide, and a second waveguide and a second coupler coupled to the second waveguide. The method includes attaching a plurality of beam-shaping optical elements to the support structure, the substrate, or the photonic integrated circuit, in which the attaching includes aligning a first beam-shaping optical element during attachment so that the first optical beam is coupled to the first coupler, and aligning a second beam-shaping optical element during attachment so that the second optical beam is coupled to the second coupler.
Owner:LIGHTELLIGENCE PTE LTD
Fixing assembly for installing lens measuring instrument and measuring instrument
The invention relates to the technical field of high-precision optical detection, in particular to a fixing assembly for installing a lens measuring instrument and the measuring instrument, and the fixing assembly comprises a rooting block which is used for being connected to the back surface of a lens in a gluing manner; the base is connected with the rooting block through a fastening assembly, the base is provided with at least three first contacts opposite to the back face of the lens and at least two second contacts opposite to the side face of the lens, and the fastening assembly is configured to be capable of generating first elastic force on the base in the first direction; and a second elastic force in a second direction. The rooting block is adhered to the back surface of the lens, so that a mechanical attachment point is prevented from being found on a vulnerable optical surface; meanwhile, the base is elastically connected with the rooting block through the fastening assembly instead of being rigidly and directly fixed, and the base elastically abuts against the back face and the side face of the lens through the first contact and the second contact respectively, so that self-adaptive accurate positioning of the base with the mirror face as the benchmark is achieved.
Owner:ANHUI JIANXING TECH CO LTD
Method for searching rotor stroke center position and camera module assembly equipment
PendingCN121199648AElectric/magnetic position measurementsUsing electrical meansClassical mechanicsGain coefficient
The invention discloses a method for searching the stroke center position of a rotor and camera module assembly equipment, which are applied to camera module assembly and comprise the following steps: S1, electrifying a motor, and adjusting the gain coefficient of an anti-shake part of the motor to keep the rotor of the motor stable in a no-load state; s2, the rotor is controlled to move to limit positions in the first direction and the second direction, magnetic potential values corresponding to the limit positions are obtained, and a target magnetic potential value corresponding to the stroke center position of the rotor is calculated based on the magnetic potential values of the limit positions; and S3, controlling the mover to move to a position corresponding to the target magnetic potential value, and completing repositioning of the stroke center position, so that gaps between the mover and the lens are uniformly distributed. According to the invention, the stroke center position of the motor rotor is dynamically fitted in real time.
Owner:NINGBO SUNNY OPOTECH CO LTD
Mirror base assembly and laser head
ActiveCN223711902UMountingsLaser beam welding apparatusMechanical engineeringLaser Powder Bed Fusion
The utility model provides a lens base assembly and a laser head. The lens base assembly comprises a lens base, a lens, a first check ring and a second check ring, an installation cavity is formed in the lens base, and the lens, the first check ring and the second check ring are sequentially installed in the installation cavity. One of the mirror base and the second check ring is provided with a clamping groove, the other one of the mirror base and the second check ring is provided with a clamping protrusion, and the clamping protrusion can be clamped into the clamping groove by rotating the mirror base or the second check ring, so that the mirror base and the second check ring are fixedly connected. According to the invention, a concave-convex matching principle is adopted, so that rapid and stable installation of the laser lens is realized. Compared with traditional threaded connection, the situation that metal scraps are generated due to thread friction in the screwing process can be effectively avoided, so that the problem of scrap falling in the lens installation process is solved, the risk that the lens is polluted by dust is reduced, and the cleanliness and the performance stability of the lens are ensured.
Owner:SHANGHAI EMPOWER TECH CO LTD
Moving mirror flexible support adjusting mechanism, optical system and adjusting method
Owner:BEIJING SEMICON EQUIP INST THE 45TH RES INST OF CETC
Optical element driving mechanism
An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed assembly, a movable part, and a driving assembly. The fixed assembly has a main axis. The movable part is configured to be connected to an optical element, and the movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly.
Owner:TDK CORP
Manufacturing methods for geometric reference components and multi-faceted optical elements
This invention relates to the field of optical element manufacturing technology, and more particularly to a form and position reference component and a method for manufacturing a multifaceted optical element. The method includes: providing a blank and a form and position reference component; the blank including a connected positioning part and a main body part; determining the target coordinates of the target multifaceted optical element in a reference spatial coordinate system; placing the positioning part in a positioning groove to fix the blank on a base; determining the basic coordinates of the blank in the reference spatial coordinate system; determining the machining allowance based on the difference between the basic coordinates and the target coordinates; machining the blank based on the machining allowance to obtain an initial multifaceted optical element; using a target sphere as a detection reference, sequentially detecting the relative positions and surface shape errors of multiple faces of the initial multifaceted optical element, and iteratively processing until the multifaceted optical element is obtained. This invention at least helps to reduce the manufacturing difficulty of multifaceted optical elements.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Multi-point flexible adhesive supporting structure of large-aperture satellite-borne rectangular lens group and integration method
The invention belongs to the technical field of satellite-borne optical remote sensing imaging, and relates to a multi-point flexible adhesive supporting structure of a large-aperture satellite-borne rectangular lens group and an integration method. The supporting structure comprises a rectangular mirror body, an integrated rectangular mirror frame and an anti-radiation back plate; the rectangular mirror body is embedded into the integrated rectangular mirror frame; the integrated rectangular mirror frame is detachably connected with the anti-radiation back plate; bonding ring assemblies are mounted on the periphery of the integrated rectangular mirror frame, and the four side faces of the periphery of the rectangular mirror body are fixedly connected with the bonding ring assemblies in a bonding mode; the lower side bonding ring assembly and the upper side bonding ring assembly are matched in a one-rigid-one-flexible mode, and the right side bonding ring assembly and the left side bonding ring assembly are matched in a one-rigid-one-flexible mode. And the one-rigid and one-flexible matching form is that one component adopts a rigid structure, and the other component adopts a flexible structure. The problems of high surface shape precision microstress, high stability, space radiation resistance, universality of a supporting structure and the like of an existing satellite-borne rectangular mirror body are solved.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI
Optical element driving mechanism
An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed assembly, a movable part, and a driving assembly. The fixed assembly has a main axis. The movable part is configured to be connected to an optical element, and the movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly.
Owner:TDK CORP
Control apparatus, lens apparatus, image pickup apparatus, camera system, and control method
A control apparatus for a camera system that includes a lens apparatus including a first optical system and a second optical system and configured to move them relative to each other, and an image pickup apparatus including an image sensor and detachably attachable to the lens apparatus includes a processor configured to acquire a first evaluation value of the first optical system at a first focus detection position corresponding to the first optical system, determine a second focus detection position corresponding to the second optical system based on an first object image formed by the first optical system and a second object image formed by the second optical system, acquire a second evaluation value of the second optical system at the second focus detection position, and move the first optical system and the second optical system based on the first evaluation value and the second evaluation value.
Owner:CANON KK
Frame for positionally stable mounting of optical element, corresponding optical module and laser device having such optical module
The invention relates to a frame (2) for an optical element (12). The frame (2) has a housing ring (3) with a projection (6) projecting radially inward. The projection (6) forms a stop for axially supporting the optical element (12). The frame (2) also has a clamping element (18) arranged on the front side (4) of the housing ring (3). The clamping element (18) has a plurality of axial spring elements (20), which are distributed in the circumferential direction, for pressing the optical element (12) axially in a springing manner against the projection (6), and radial spring elements (22), which are arranged in a springing manner in the radial direction for holding the optical element (12) in a springing manner. The invention also relates to a corresponding optical module (1) having such a frame (2) and an optical element (12) accommodated therein, and to a laser device equipped with such an optical module.
Owner:TRUMPF LASER SYSTEMS SEMICONDUCTOR MANUFACTURING EUROPE AG