Abstract: A humidity sensor, a manufacturing method therefor and an electronic device are provided, and the humidity sensor includes: a base substrate, and at least one sensor unit arranged on the base substrate; the sensor unit includes: a first electrode and a support structure arranged on the base substrate, the support structure is located on at least one side of the first electrode; a second electrode located on a side of the first electrode away from the base substrate, an orthographic projection of the second electrode on the base substrate is overlapped with an orthographic projection of the first electrode on the base substrate, a space is arranged between the second electrode and the first electrode, and at least one end of the second electrode is fixed with the support structure; and an adsorption layer arranged on a side of the second electrode away from the base substrate.

Abstract: The present disclosure provides an adjustable capacitor and an electronic apparatus, and relates to the technical field of radio frequency device. The adjustable capacitor of the present disclosure includes a base substrate and at least one capacitor unit on the base substrate, each of the at least one capacitor unit includes a first plate, a second plate and a first connecting arm; the first plate and the connecting arm are on the base substrate; one end of the second plate is connected to the first connecting arm, the second plate and the first plate are opposite to each other, and a certain distance is between the second plate and the first plate.

Abstract: A phase shifter includes: a first substrate; a signal electrode and a reference electrode on at least one side of an extension direction of the signal electrode; a first insulating layer covering the reference and signal electrodes; and at least one phase controlling unit above the first insulating layer. Each phase controlling unit includes a main body portion and at least one connection portion. Orthogonal projections of the main body portion and the signal electrode on the first substrate at least partially overlap each other. The main body portion and the first insulating layer have a gap therebetween, and the connection portion is connected between the main body portion and a portion of the first insulating layer covering the reference electrode. The main body portion includes first sub-electrodes short-circuited with each other, and at least some of the first sub-electrodes are connected to a same connection portion.

Abstract: The present disclosure provides a transducer unit and a manufacturing method thereof, and a transducer, the transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an first groove, at least one second groove and at least one third groove, an orthographic projection of the second groove on the base substrate is spaced apart from that of the first groove on the base substrate, the third groove is between the first groove and the second groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the first groove; a filling pattern in the second groove; a second electrode on a side of the diaphragm pattern away from the base substrate.

Abstract: A phase shifter includes: a substrate; a first wiring and second wirings that are provided on one side of the substrate, wherein the second wirings are arranged on two opposite sides of the first wiring; at least one electrically conducting bridge, wherein the electrically conducting bridge and the first wiring intersect and are insulated from each other; and a first isolating part, wherein the first isolating part is provided on one side of the first wiring that is close to the electrically conducting bridge, and an orthographic projection on the substrate of a part of the electrically conducting bridge that intersects the first wiring is located within an orthographic projection of the first isolating part on the substrate; and a surface of one side of the first isolating part that is close to the electrically conducting bridge is not even.

Abstract: The present application provides an ultra-wideband antenna and an electronic apparatus, which relates to the technical field of mobile communication. The ultra-wideband antenna includes: a first substrate; a feed structure provided at a side of the first substrate; and a radiating structure provided on the one side of the first substrate and electrically connected to the feed structure, wherein the radiating structure includes a radiating patch and a wave-trapping unit, and the radiating patch is electrically connected to the feed structure. The novel ultra-wideband antenna has the characteristic of being capable of reconstructing the trapped wave provided by the present application may have a wide broadband, and may also trap wave, thereby reducing or even preventing mutual interference with communication protocols of other frequency bands during use.

Abstract: A dual-band antenna of the present disclosure includes: a dielectric substrate having a first surface and a second surface disposed opposite each other in a thickness direction of the dielectric substrate; a reference electrode disposed on the first surface; all of the radiating element, the first feed branch and the second feed branch are disposed on the second surface, and a connection node of the first feed branch and the radiating element is a first feed point, and the connection node of the second feed branch and the radiating element is a second feed point; the radiating element is provided with a first groove and a second groove.

Abstract: A MEMS device includes: a dielectric substrate; a driving electrode, first and second reference electrodes on the dielectric substrate; a first dielectric layer covering the driving electrode; and a membrane bridge on a side of the first dielectric layer away from the dielectric substrate, where a first gap is between the first reference electrode and the driving electrode; a second gap is between the second reference electrode and the driving electrode; and a thickness of a part of the first dielectric layer at each of the first and second gaps is greater than a thickness of the driving electrode; and/or, a second dielectric layer is on a side of a bridge deck of the membrane bridge close to the dielectric substrate, and an orthographic projection of the second dielectric layer on the dielectric substrate covers at least an orthographic projection of the driving electrode on the dielectric substrate.

Abstract: A phase shifter includes a substrate, a transmission line on the substrate and extending in a first direction, and first and second reference electrodes respectively on both sides of an extension direction of the transmission line. The transmission line includes signal line segments, any adjacent two of which have a gap therebetween to define a connection region. The phase shifter further includes at least one phase shifting unit each including: a film bridge extending in the first direction, a connection electrode extending in a second direction, and an interlayer insulating layer on a side of the connection electrode distal to the substrate. Both ends of the connection electrode are respectively connected with the first and second reference electrodes, and an orthogonal projection of the connection electrode on the substrate is in the connection region. Both ends of the film bridge are respectively connected with adjacent two signal line segments.

Abstract: The present disclosure provides an acoustic transducer unit and a manufacturing method thereof, and an acoustic transducer, the acoustic transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an accommodation groove, at least one release groove and at least one connection groove, an orthographic projection of the release groove on the base substrate is spaced apart from that of the accommodation groove on the base substrate, the connection groove is between the accommodation groove and the release groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the accommodation groove; a filling pattern in the release groove; a second electrode on a side of the diaphragm pattern away from the base substrate.

Abstract: The present disclosure provides a phase shifter, a method for fabricating the same, and an antenna. The phase shifter includes a substrate, first and second transmission lines spaced apart from each other on the substrate, and at least one phase control element on the substrate. Each phase control element includes a membrane bridge and a transmission line extension which is on the substrate, between the first and second transmission lines, and electrically coupled to the first transmission line; the membrane bridge is on a side of the transmission line extension distal to the substrate, opposite to and spaced apart from the transmission line extension, and electrically coupled to the second transmission line. The membrane bridge is configured to move a portion of the membrane bridge in response to the first and second transmission lines being applied with different voltages, to change a distance from the transmission line extension.

Abstract: A phase shifter and a method for preparing a phase shifter are provided. The phase shifter includes at least one phase shifter unit. The phase shifter unit includes a substrate; a first lead and a second lead on the substrate and spaced apart from each other; a bridging section on the first lead and the second lead, wherein the bridging section is connected to the first lead and the second lead; and a third lead on a side of the bridging section away from the substrate.

Abstract: A radio frequency device and an electronic device are provided. The radio frequency device includes: a first dielectric substrate and at least one phase shift unit, each including a signal electrode and a first and second reference electrodes; first and/or second reference electrodes include reference sub-electrodes arranged side by side, and first gaps between every two adjacent reference sub-electrodes; the signal electrode includes a main structure between the first and second reference electrodes and branch structures electrically connected to the main structure, and each branch structure extends into one corresponding first gap; the radio frequency device further includes membrane bridges on a side of a first insulating layer away from the first dielectric substrate, and a first insulating layer covering the branch structures, each membrane bridge spans one corresponding first gap, and a bridge floor of each membrane bridge and the first insulating layer have a first distance therebetween.

Abstract: A phase shifter includes a base substrate; a signal electrode, first and second reference electrodes all on the base substrate, and the first and second reference electrodes being respectively on two sides of a length direction of the signal electrode; an interlayer insulating layer on a side of the signal electrode away from the base substrate; and a phase control unit including a film bridge on a side of the interlayer insulating layer away from the base substrate. The signal electrode is in space enclosed by the base substrate and the film bridge, and two ends of the film bridge respectively overlap with the first and second reference electrodes in a direction perpendicular to the base substrate. The film bridge includes first and second anchor point areas and a functional area between the first and second anchor point areas, and has a hollow pattern in the functional area.

Abstract: The present disclosure provides an antenna unit and a multi-beam antenna. The antenna unit includes: a first dielectric substrate; a reference electrode layer; a first feed line and a radiation layer, the first feed line being electrically coupled to the radiation layer; and at least one layer of metasurface including a second dielectric substrate and at least one patch unit, the patch unit including a plurality of patch structures arranged at intervals and side by side. For any one of the patch units, an electromagnetic wave radiated by the radiation layer has different transmission phases after passing through the plurality of patch structures, and transmission phases of the plurality of patch structures increase or decrease sequentially.

Abstract: A phased array antenna system is provided, including a feed structure and at least one phased array antenna element, wherein the at least one phased array antenna element includes a first impedance transformation unit, an MEMS phase-shifting multi-unit and an antenna. The first impedance transformation unit is connected to a feed structure, and the MEMS phase-shifting multi-unit is connected between the first impedance transformation unit and the antenna.

Abstract: The present disclosure provides an MEMS switch device and an electronic apparatus. The MEMS switch device includes a base substrate, a membrane bridge structure, and a first ground line, a signal line and a second ground line sequentially arranged on a first side surface of the base substrate at intervals; the membrane bridge structure has a first end electrically connected to the first ground line, and a second end, opposite to the first end, electrically connected to the second ground line; and the membrane bridge structure includes a membrane bridge body structure and at least one protruding structure on the membrane bridge body structure, where the protruding structure protrudes from the membrane bridge body structure in a direction perpendicular to the first side surface of the base substrate.

Abstract: A phase shifter includes: a first substrate; a signal electrode, a first reference electrode, and a second reference electrode which are on the first substrate; a first insulating layer covering at least a side of the signal electrode distal to the first substrate; and at least one film-bridge electrode group on a side of the first insulating layer distal to the signal electrode. Each film-bridge electrode group includes film-bridge electrodes insulated from each other, and an orthogonal projection of the signal electrode on the first substrate is between orthogonal projections of the first and second reference electrodes on the first substrate. An orthogonal projection of a bridge floor of each film-bridge electrode on the first substrate partially overlaps the orthogonal projection of the signal electrode. Distances between bridge floors of the film-bridge electrodes in a same film-bridge electrode group and the signal electrode are different from each other.

Abstract: The present disclosure provides an antenna and electronic device. The antenna includes a dielectric substrate, and a first radiation patch, at least one second radiation patch and a feed unit disposed on the dielectric substrate; the feed unit is electrically connected with the first radiation patch; a switch unit is arranged between each second radiation patch and the first radiation patch; the switch unit includes a driving electrode and a membrane bridge arranged on the dielectric substrate, a bridge deck of the membrane bridge is suspended on a side, away from the dielectric substrate, of the driving electrode, and an insulating layer covers on a side, close to the bridge deck, of the driving electrode; the switch unit is configured to control whether the membrane bridge allows a current between the first radiation patch and the second radiation patch by controlling a voltage applied to the driving electrode.

Abstract: The present disclosure provides an MEMS device, a method for manufacturing an MEMS device and an electronic device, and belongs to the field of Micro-Electro-Mechanical System technology. The MEMS device includes: a first dielectric substrate and a first component on the first dielectric substrate; the first component and the first dielectric substrate enclose a movable space; the first component has a first portion corresponding to the movable space; the first portion has at least one first opening, and at least one protruding structure is on a side of the first portion close to the first dielectric substrate; orthographic projections of the at least one protruding structure and the at least one first opening on the first dielectric substrate do not overlap with each other, and a thickness of each protruding structure is smaller than a height of the movable space.