7results about How to "Reduce intensity differences" patented technology

The invention relates to the technical field of optical metering equipment, and discloses detection equipment for detecting the geometrical morphology of a wafer, which comprises a support frame, and an annular guide rail is arranged at the top end of the support frame; the inner side of the annular guide rail is provided with a channel for the detection lens to slide, and the detection lens slides by taking the channel as a track to measure different angles of a wafer, so that the optical interference of a blind area is reduced; two light source rings are symmetrically arranged on the inner wall of the annular guide rail with the channel as the center. The detection lens is arranged in the annular guide rail, the detection lens can slide on the inner side of the channel, and the annular guide rail can rotate at multiple angles, so that the purpose of reducing detection blind areas can be achieved through measurement from different angles, and data of multiple visual angles are combined to obtain a complete shape. Meanwhile, the light source and the detection lens are arranged on the same straight line, so that shadow and reflection are reduced, the light source with uniform light intensity is provided, and the intensity difference between the center and the edge is reduced.

The invention discloses a method for regulating and controlling anisotropy of a 2195 aluminum-lithium alloy based on an in-situ precipitated icosahedral quasicrystal phase, belongs to the technical field of regulation and control of anisotropy of the 2195 aluminum-lithium alloy, and aims to solve the problem of anisotropy of mechanical properties of the 2195 aluminum-lithium alloy. The method comprises the following steps: carrying out solution treatment on a 2195 aluminum-lithium alloy blank; preheating the blank subjected to solid solution treatment, and spraying a lubricant on the surface of the blank; the preheated blank is heated to the deformation temperature, and heat preservation is conducted; and the blank obtained after heat preservation is subjected to multi-direction forging, and the final deformation of the blank reaches the nominal accumulated strain. An icosahedral quasicrystal T2 phase is precipitated in situ in the multidirectional forging process, the average diameter of the phase is 52-71 nm, dislocation coplanar slippage is inhibited through an Orowan bypassing mechanism, and therefore the anisotropy of the alloy is reduced. The method can be used for improving the mechanical property anisotropy of the 2195 aluminum-lithium alloy, and theoretical guidance is provided for manufacturing weak-anisotropy 2195 aluminum-lithium alloy components.

The application relates to an antenna module, an electronic device and a wireless communication system. The antenna module comprises a cover body, a carrier and an antenna. The cover body has a first cavity. At least part of the carrier is located in the first cavity. The antenna is located in the first cavity and is mounted on the carrier. The carrier is electrically connected to the antenna and is used for electrical connection with the ground. In a plane perpendicular to the height direction of the antenna module, a gap is left between at least part of the carrier and the cover body. The gap can realize impedance matching, so that the electromagnetic wave can more easily penetrate the cover body, thereby reducing the strength of the electromagnetic wave reflected by the cover body, reducing the interference of the reflected electromagnetic wave on the electromagnetic wave emitted by the antenna, reducing the strength difference of the wireless signals emitted by the antenna module in each direction in the horizontal plane, and further optimizing the non-circularity of the antenna module.

A kind of auxiliary device for disassembling piston ring belongs to piston ring installation tool technical field, including the first handle and second handle of first connecting shaft rotation connection, first handle, second handle are respectively fixedly connected with one strutting arm by second connecting shaft, first handle and second handle are connected with two strutting arms by slide bar;Slide bar includes the vertical horizontal bar portion and vertical bar portion, the head of vertical bar portion is fixedly connected with horizontal bar portion, horizontal bar portion is slidably connected with two second connecting shafts, the middle part of vertical bar portion is slidably connected with first connecting shaft;Two strutting arms are slidably connected with the tail of vertical bar portion by one connecting rod.Horizontal bar portion and the sliding connection of second connecting shaft, can make the action of handle synchronous transmission to two strutting arms, reduce the intensity difference of two sides strutting arms;The sliding connection of vertical bar portion and first connecting shaft and connecting rod, further guarantee the stability of device in the process of movement, so that piston ring can realize symmetrical opening and closing.

The utility model relates to the technical field of exhibition hall light assemblies, and discloses an exhibition hall light assembly which comprises a fixing plate. According to the exhibition hall light assembly, through the arrangement of the driving assembly and the damping assembly, when the exhibition hall light assembly is used, a person starts a servo motor B to drive a fixed disc and light filters to rotate, the person can conveniently select different light filters to adjust the color and color temperature of a spotlight, and the requirements of the person for different lighting effects are met; then the servo motor A drives the lifting plate and the spotlight to do lifting motion, a person can adjust the distance between the spotlight and the optical filter according to needs, light rays are more diffused after passing through the optical filter, a more uniform lighting effect is generated, the intensity difference of the light rays is reduced, obvious light spots or shadows are avoided, and the lighting effect is improved. And meanwhile, excessive scattering or loss of light rays can be avoided when the light rays penetrate through the light filter, the lighting efficiency of the lamplight assembly is improved, shaking of the spotlight can be avoided when the height is adjusted through matched use of a damping spring and a damping gasket, and the stability of the device is improved.

The present invention relates to the technical field of optical metrology equipment, and discloses a detection device for detecting the geometric morphology of a wafer, comprising a support frame, a circular guide rail is arranged at the top of the support frame; a detection lens, a groove for sliding the detection lens is opened on the inner side of the circular guide rail, and the detection lens slides along the groove as a track to measure different angles of the wafer, thereby reducing optical interference in blind areas; and two light source rings are symmetrically arranged on the inner wall of the circular guide rail with the groove as the center. The invention sets the detection lens inside the circular guide rail, and the detection lens can slide inside the groove, and the circular guide rail can rotate at multiple angles, so that the purpose of detecting blind areas can be reduced by measuring from different angles, and the data of multiple perspectives can be combined to obtain a complete morphology. At the same time, the light source and the detection lens of the present invention are placed on the same straight line, thereby reducing shadows and reflections, providing a light source with uniform light intensity, and reducing the intensity difference between the center and the edge.

The invention relates to a grouting excavation structure for a large-diameter wet-jet mixing pile construction drill tool, comprising a drill center rod, a grouting excavation unit is arranged in the radial direction of the drill center rod, the grouting excavation unit comprises a grouting channel and an excavation wing plate, the excavation wing plate is fixed on the outer wall of the drill center rod, one end of the grouting channel is communicated with a slurry passage arranged on the drill center rod, and the grouting channel is located below the excavation wing plate and parallel to the length direction of the excavation wing plate, and a grouting through seam is arranged along the axial direction of the grouting channel; the invention has the characteristics of uniformly spreading curing agent slurry along the radius of the pile body, effectively improving the pile body quality and construction efficiency of the mixing pile, reducing the amount of curing agent, and at the same time effectively preventing the clogging of the grouting pipe and facilitating the cleaning of the blocked pipe.