Abstract: A formation method of a filter device includes: forming a first layer by providing a first substrate and forming a resonance device preprocessing layer with a first side and a second side opposite to the first side, wherein the first substrate is located on the first side; forming a second layer by providing a second substrate and forming a first passive device with a third side and a fourth side opposite to the third side, wherein the second substrate is located on the third side; connecting the first layer located on the fourth side and the second layer located on the second side; removing the first substrate; and forming at least one first resonance device based on the resonance device preprocessing layer. The resonance device and the passive device are integrated in one die to form a filter device, which requires less space in an RF front-end chip.

Abstract: The present invention discloses an ultra-wideband cross-polarized antenna and ultra-wideband cross-polarized array antenna, including a substrate, and a first polarized antenna and a second polarized antenna provided in the substrate and orthogonal to each other. The ultra-wideband cross-polarized antenna has a simple structure, is easy to produce and is able to solve challenging bandwidth issues, cross-polarized port isolation issues, and beam scanning range issues in 5G millimeter wave array antennas.

Abstract: A BAW resonance device, a filter device and an RF front-end device are provided. The BAW resonance device comprises a first passive part including a first substrate and a first heat-dissipation layer located over the first substrate; a first active part including a first piezoelectric layer, a first electrode layer and a second electrode layer, wherein the first piezoelectric layer is located over the first passive part and has a first side and a second side opposite to the first side, the first passive part is located on the first side, the first electrode layer is also located on the first side and is disposed between the first passive part and the first piezoelectric layer, and the second electrode layer is located on the second side; and a first cavity located on the first side and disposed between the first passive part and the first piezoelectric layer, wherein at least one part of the first electrode layer is located on or in the first cavity.

Abstract: The invention provides a filter device, an RF front-end device and a wireless communication device. The filter device comprises a substrate, at least one resonance device, a passive device and a connector, wherein the at least one resonance device has a first side and a second side opposite to the first side, the substrate is located on the first side, and the passive device is located on the second side. The at least one resonance device is connected to the passive device through the connector. The RF filter device formed by integrating the resonance device (such as an SAW resonance device or a BAW resonance device) and the passive device (such as an IPD) in one die can broaden the passband width, has a high out-of-band rejection, and occupies less space in an RF front-end chip.

Abstract: A filter device, an RF front-end device and a wireless communication device are provided. The filter device includes a substrate, a passive device and at least one resonance device, wherein the passive device has a first side and a second side opposite to the first side, the substrate is located on the first side, and the at least one resonance device is located on the second side. The RF filter device formed by integrating the resonance device (such as an SAW or BAW resonance device) and the passive device (such as an IPD) can broaden the pass-band width, has a high out-of-band rejection, and occupies less space in an RF front-end chip.

Abstract: A BAW resonance device comprises a first layer including a cavity located on a first side, a first electrode having a first end located in the cavity and a second end contacting with the first layer, a second layer located on the first side, and a second electrode located on the second layer above the cavity, wherein the first electrode and the second electrode are located on two sides of the second layer. The first electrode comprises a first electrode layer and a second electrode layer, and the second electrode layer and the second layer are located on two sides of the first electrode layer. The second electrode comprises a third electrode layer and a fourth electrode layer, and the second layer and the fourth electrode layer are located on two sides of the third electrode layer. Thus, the electrical resistance is lowered and the electrical losses are reduced.

Abstract: The present invention discloses a UWB base station and a positioning method therefor. The UWB base station includes four antennae, obverse sides of the four antennae respectively face four azimuth directions, by which 360° may be uniformly divided, on a horizontal section. Azimuth directions faced by the first and the third antenna differ by 180°, and azimuth directions faced by the second and the fourth antenna differ by 180°. The station further includes a single-pole and a double-pole double-throw switch and a UWB module, the UWB module includes a transmitting end, a first and a second receiving end; first receiving end is respectively connected to the second and fourth antenna through single-pole double-throw switch; and transmitting end and second receiving end are respectively connected to the first and third antenna through double-pole double-throw switch. According to the invention, 360° omnidirectional positioning can be achieved, and the positioning precision is high.

Abstract: Disclosed a capacitive stylus pen, comprising a holding structure comprising a pen holder, and a pen tip assembly comprising a pen tip shaft and a strain sensor, the strain sensor comprising a resilient element and a strain gauge on the resilient element, and the resilient element being connected to the pen tip shaft and the holding structure, wherein the resilient element is L-shaped, the pen tip assembly further comprises an energy absorption structure arranged on the pen tip shaft, and the energy absorption structure is connected to the holding structure. The L-shaped resilient element in cooperation with the energy absorption structure forms a double-support elastic buffering structure and reduces deformation rate of the strain gauge with same load when the capacitive stylus pen itself rotates to different angles; and the energy absorption structure is added to share part of the stress on the resilient element to reduce the resilient element's deformation.

Abstract: A radio frequency connector comprises a first base. The end face of one end of a first shielding frame contacts with a first external PCB. The end, close to the first external PCB, of the first shielding frame is in the shape of a complete and gapless ring. The first shielding frame disposed around the first base is complete and gapless and can realize 360° omnidirectional and dead zone-free shielding of a first terminal on the first base, so that the anti-interference capacity of the radio frequency connector is effectively improved, and the electrical performance of the radio frequency connector is improved, accordingly.

Abstract: A compact 5G MIMO antenna system includes at least two antenna assemblies. Each antenna assembly includes a first antenna unit and a second antenna unit, wherein the first antenna unit includes a first radiation assembly, a first feed branch and a ground branch; the second antenna unit includes a second radiation assembly, a second feed branch and the ground branch; the ground branch is located between the first radiation assembly and the second radiation assembly; the first feed branch is arranged close to an end, away from the ground branch, of the first radiation assembly; and the second feed branch is arranged close to an end, away from ground branch, of the second radiation assembly. The antenna system improves the isolation between the first antenna unit and the second antenna unit and compacts the overall structure of the antenna assembly, which has simple structure, high antenna efficiency, and convenient use.

Abstract: A 5G MMW dual-polarized antenna module includes a substrate. A metal ground and an antenna unit group are disposed in the substrate. The metal ground partitions the substrate into a first region and a second region. The antenna unit group includes a first antenna unit, a patch antenna and a probe. The first antenna unit includes a first branch and a second branch connected to the first branch, wherein the first branch is disposed in the first region, and an end, away from the first branch, of the second branch is located in the second region. The probe includes a first part and a second part connected to the first part, wherein the second part is disposed in the first region. The MMW dual-polarized antenna module can fulfill lateral radiation in light and thin terminal devices.

Abstract: A 5G MMW dual-polarized antenna unit, an antenna array and a terminal device are disclosed. The 5G MMW dual-polarized antenna unit comprises a substrate and two feeder assemblies disposed in the substrate, wherein a square radiation patch conductive with the feeder assemblies is disposed on a top surface of the substrate, and a ground layer and feeder ports conductive with the feeder assemblies are disposed on a bottom surface of the substrate; each feeder assembly comprises an impedance transformation micro-strip line, and the two impedance transformation micro-strip lines are perpendicular to each other; and a short-circuit structure allowing the radiation patch to be conductive with the ground layer is disposed in the substrate and is located an intersection of extension lines of the two impedance transformation micro-strip lines. The 5G MMW dual-polarized antenna unit effectively improves the antenna performance and satisfies application requirements of 5G communication terminals in this waveband.

Abstract: The invention discloses an apparatus for using a regulating component for communicating radio frequency signals. Included is a housing, a circuit board disposed in the housing, and a regulating component coupled to the housing and connected to the circuit board through a feed component. The regulating component is used for communicating radio frequency signals in use.

Abstract: A 5G dual-polarized antenna module and a terminal device are disclosed. The 5G dual-polarized antenna module comprises a substrate, a first metal ground and at least one antenna unit group are disposed in the substrate, the first metal ground partitions the substrate into a first region and a second region, the antenna unit group includes a first antenna unit and a second antenna unit which are located in the first region, and the first antenna unit comprises a dipole element and a parasitic element matched with the dipole element; the second antenna unit comprises a T-shaped probe, which is partially located between the dipole element and the parasitic element; and a first ground layer conductive with the first metal ground is disposed on the bottom surface of the substrate. The 5G dual-polarized antenna module thus being particularly suitable for light and thin terminal devices.

Abstract: A 5G MMW dual-polarized antenna module and a handheld device are disclosed. The antenna module comprises at least two antenna units. Each antenna unit comprises a first horizontal metal plate, a second horizontal metal plate, a first vertical metal plate, a second vertical metal plate and a patch antenna assembly. The antenna module can work within the 5G MMW frequency band and has the characteristic of dual polarization; and when applied to the handheld device, the antenna module will not increase the thickness of the handheld device and is conducive to ultra-thin development of the handheld device.

Abstract: The invention discloses an apparatus for using regulating components for communicating radio frequency signals. The apparatus is equipped with a plurality of regulating components. At least two of the regulating components are connected through a connecting part, and one of the connected regulating components is in a feed connection with the circuit board. In use, the regulating components are used for communicating radio frequency signals.

Abstract: A 5G MMW dual-polarized antenna unit, an antenna array and a terminal device are disclosed. The 5G MMW dual-polarized antenna unit comprises a substrate and two feeder assemblies disposed in the substrate, wherein a square radiation patch conductive with the feeder assemblies is disposed on a top surface of the substrate, and a ground layer and feeder ports conductive with the feeder assemblies are disposed on a bottom surface of the substrate; each feeder assembly comprises an impedance transformation micro-strip line, and the two impedance transformation micro-strip lines are perpendicular to each other; and a short-circuit structure allowing the radiation patch to be conductive with the ground layer is disposed in the substrate and is located an intersection of extension lines of the two impedance transformation micro-strip lines. The 5G MMW dual-polarized antenna unit effectively improves the antenna performance and satisfies application requirements of 5G communication terminals in this waveband.

Abstract: A 5G dual-polarized antenna module and a terminal device are disclosed. The 5G dual-polarized antenna module comprises a substrate, a first metal ground and at least one antenna unit group are disposed in the substrate, the first metal ground partitions the substrate into a first region and a second region, the antenna unit group includes a first antenna unit and a second antenna unit which are located in the first region, and the first antenna unit comprises a dipole element and a parasitic element matched with the dipole element; the second antenna unit comprises a T-shaped probe, which is partially located between the dipole element and the parasitic element; and a first ground layer conductive with the first metal ground is disposed on the bottom surface of the substrate. The 5G dual-polarized antenna module thus being particularly suitable for light and thin terminal devices.

Abstract: A 5G MMW dual-polarized antenna module includes a substrate. A metal ground and an antenna unit group are disposed in the substrate. The metal ground partitions the substrate into a first region and a second region. The antenna unit group includes a first antenna unit, a patch antenna and a probe. The first antenna unit includes a first branch and a second branch connected to the first branch, wherein the first branch is disposed in the first region, and an end, away from the first branch, of the second branch is located in the second region. The probe includes a first part and a second part connected to the first part, wherein the second part is disposed in the first region. The MMW dual-polarized antenna module can fulfill lateral radiation in light and thin terminal devices.

Abstract: A radio frequency connector comprises a first base. The end face of one end of a first shielding frame contacts with a first external PCB. The end, close to the first external PCB, of the first shielding frame is in the shape of a complete and gapless ring. The first shielding frame disposed around the first base is complete and gapless and can realize 360° omnidirectional and dead zone-free shielding of a first terminal on the first base, so that the anti-interference capacity of the radio frequency connector is effectively improved, and the electrical performance of the radio frequency connector is improved, accordingly.