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150 results about "Dielectric body" patented technology

connector

A connector includes inner conductive bodies, dielectric bodies surrounding the inner conductive bodies, and an outer conductive body surrounding the dielectric bodies. Each inner conductive body has a substrate connection section arranged and exposed on a rear surface side of the dielectric body. The outer conductive body has an upper wall section, a pair of side wall sections protruding downward from a left and a right end portion of the upper wall section, and a partition wall section arranged between the pair of side wall sections. A space below the upper wall section and between the pair of side wall sections is partitioned into a plurality of accommodation spaces by the partition wall section. A rear section of each dielectric body and each substrate connection section are arranged in the respective one of the plurality of accommodation spaces.
Owner:SUMITOMO WIRING SYSTEMS LTD

3dB bridge

The invention discloses a 3dB bridge which comprises a multi-layer dielectric body, and a first coupling line and a second coupling line are arranged on the two opposite sides of the multi-layer dielectric body respectively and are overlapped on the wide side of a coupling part. The first coupling line and the second coupling line are respectively divided into parallel finger-shaped conductor sections at the coupling part, and the adjacent finger sections correspond in a cross-layer staggered manner to form a multi-scale coupling channel of the same coupling part; corresponding input ends and output ends are respectively led out from the first coupling line and the second coupling line; and a parasitic resonance unit which is electromagnetically coupled with the finger section is arranged in the multilayer dielectric body at a distance d1 from the transverse edge of the coupling part. The 3dB bridge enables in-band coupling to be self-balanced along with frequency, a parasitic unit compensates a band edge in situ in a near field, the problem that single-scale coupling and boundary cannot be quantized is solved, wider fractional bandwidth, flatter amplitude and phase and improvement of band edge directivity and port isolation are achieved, repeatability and mass production consistency are ensured through d1, d2, T, k1 and k2 constraints, and the 3dB bridge adapts to co-fired ceramic packaging.
Owner:JIANGSU HENGXIN WIRELESS TECH +2

Antirelaxation Coatings for Vapor Cells

In a general aspect, antirelaxation coatings are disclosed for coating the interior surfaces of vapor cells. In certain aspects, a vapor cell includes a dielectric body having interior and exterior surfaces. The interior surface defines a cavity in the dielectric body, and the exterior surface defines an opening to the cavity. The vapor cell also includes an antirelaxation coating that is disposed on the interior surface of the dielectric body and includes an organosilane material. The vapor cell additionally includes a vapor or a source of vapor residing in the cavity as well as an optical window that covers the opening to the cavity. The optical window has a surface bonded to the exterior surface of the dielectric body to form a seal around the opening. The vapor or the source of vapor includes alkali metal atoms.
Owner:QUANTUM VALLEY IDEAS LAB

Antenna assembly and vehicle

The invention relates to an antenna assembly and a vehicle. The antenna assembly comprises a dielectric body, a first antenna structure, a second antenna structure and a metal frame body. The projections of the plurality of second antenna structures on the dielectric body along the thickness direction of the dielectric body are arranged around the circumferential direction of the first antenna structure, the plurality of second antenna structures are rotationally symmetrical about the center of the first antenna structure, and each second antenna structure is coupled with the first antenna structure. The metal frame body is arranged around the periphery of the first antenna structure, and the metal frame body is connected with the dielectric body. The low-profile antenna structure is realized, the influence caused by the surface wave effect of the dielectric body is improved, the mutual coupling interference between double frequencies is reduced, and the antenna gain and the antenna bandwidth are improved. Besides, the metal frame body can restrain back lobe level energy, capacitance coupling is formed between the first antenna structure and the metal frame body, capacitance coupling is formed between the second antenna structure and the metal frame body, the antenna miniaturization design is further achieved, the overall size is reduced, and the installation space can be prevented from being limited.
Owner:GUANGZHOU FUYAO GLASS GRP

Wind power plant

The wind power generation device (1) includes: a support shaft (10); a rotating body (20) formed of a dielectric material and supported on the support shaft in such a way that it can rotate about the central axis of the support shaft; a plurality of electrodes (30) arranged at intervals along the circumference of the central axis on the surface of the rotating body; a power source (50) applying a predetermined voltage to each of the plurality of electrodes at predetermined time intervals; and a generator (60) connected to the rotating body.
Owner:MURATA MFG CO LTD

connector

Impedance of an inner conductor is reduced. A connector (10) includes an inner conductor (21), an outer conductor (41) surrounding the inner conductor (21), and a dielectric body (61) disposed between the inner conductor (21) and the outer conductor (41). The dielectric body (61) has a cavity (63) extending in a predetermined direction and a locking hole (64) formed in an inner circumferential surface of the cavity (63). The inner conductor (21) has an inner conductor body (23) disposed in the cavity (63) and a locking portion (24) extending from the inner conductor body (23) into the locking hole (64) and locked therewith. The locking portion (24) has a double-supported beam shape extending in the predetermined direction with upper and lower end portions supported by the inner conductor body (23).
Owner:SUMITOMO WIRING SYSTEMS LTD

Plasma processing apparatus

The present application provides a kind of plasma processing device capable of generating high uniformity plasma in the circumferential direction of electrode peripheral part. The plasma processing device includes chamber, first electrode, high-frequency power supply, power supply rod, plate-shaped component and dielectric body. The first electrode is the electrode opposite to the inside of the chamber. The high-frequency power supply supplies high-frequency power to the first electrode. The power supply rod supplies high-frequency power to the center of the surface opposite to the surface of the first electrode opposite to the inside of the chamber. The plate-shaped component is a conductive plate-shaped component arranged in parallel with the surface opposite to the surface of the first electrode opposite to the inside of the chamber and grounded. The dielectric body is connected between the first electrode and the plate-shaped component, and forms a shape of rotational symmetry with respect to the center of the first electrode.
Owner:TOKYO ELECTRON LTD

Forming Antirelaxation Coatings on Interior Surfaces of Vapor Cells

In a general aspect, methods for manufacturing vapor cells are disclosed. In certain aspects, a method of manufacturing a vapor cell includes obtaining a dielectric body that has interior and exterior surfaces. The interior surface defines a cavity in the dielectric body, and the exterior surface defines an opening to the cavity. The method includes forming an antirelaxation coating on the interior surface of the dielectric body. The antirelaxation coating comprising an organosilane material. The method additionally includes disposing a vapor or a source of vapor in the cavity and obtaining an optical window that comprises a surface. The vapor or the source of vapor includes alkali metal atoms. The method also includes bonding the surface of the optical window to the exterior surface of the dielectric body to form a seal around the opening to the cavity.
Owner:QUANTUM VALLEY IDEAS LAB

Multilayer electrical component

Multilayer ceramic capacitor, comprising: a dielectric body; first and second conductive terminals, separated from each other by the dielectric body; a multitude of parallel plate-shaped internal electrodes forming a stack of electrode layers embedded in the dielectric body; first and second groups of inner electrodes from the plurality of parallel plate inner electrodes, each group comprising a first inner electrode and a separate, adjacent second inner electrode, wherein a first gap of the first inner electrode is offset relative to a second gap of the separate, adjacent second inner electrode in a first direction between the first and the second conductive terminal, wherein a section of the first inner electrode overlaps a section of the second inner electrode to form capacitance regions in each group of inner electrodes; and a set of at least two third inner electrodes from the plurality of parallel plate inner electrodes arranged between the first and second group of inner electrodes, wherein at least two third inner electrodes are stacked next to each other and form a region with negligible capacitance.
Owner:KNOWLES UK LTD

Connector

Provided is a connector in which a dielectric body can be smoothly inserted into an outer conductor. A connector (10) is provided with an inner conductor (15), a dielectric body (17) that houses the inner conductor (15), and an outer conductor (11) that houses the dielectric body (17). The outer conductor (11) has housing holes (54, 63) for housing the dielectric body (17), and a rear space portion (55) communicating with the housing holes (54, 63) and open to the rear of the outer conductor (11). The dielectric body (17) has a cylindrical section (43) and a guide section (45) that are disposed in the housing holes (54, 63) from the rear space section (55). The outer conductor (11) has a guide receiving portion (74) on an inner surface facing the rear space portion (55), the guide receiving portion (74) being in contact with the guide portion (45) and guiding the cylindrical portion (43) to the housing holes (54, 63).
Owner:SUMITOMO WIRING SYSTEMS LTD

Package structure and manufacturing method thereof

Disclosed is a packaging structure including a first chip, a second chip, multiple fourth chips, a first redistribution layer, a second redistribution layer, a third redistribution layer, a first dielectric body, a second dielectric body, and a conductive member. The first chip is disposed between the first redistribution layer and the third redistribution layer. The conductive member is disposed between the first redistribution layer and the second redistribution layer. The second redistribution layer is electrically connected to the first chip by the conductive member and the first redistribution layer, and is disposed between the second chip and the fourth chip. Two fourth chips are electrically connected to each other by the second redistribution layer and the second chip. The first dielectric body covers the second chip, the first redistribution layer, the second redistribution layer, and the conductive member. The second dielectric body covers the second redistribution layer.
Owner:POWERTECH TECHNOLOGY INC

Compact lens antenna

A compact lens antenna includes: a lens dielectric body with a feed cavity thereon and a feed source at least partially disposed within the feed cavity; the lens dielectric body includes multiple nested bodies; the lens dielectric body is configured to achieve electromagnetic wave phase compensation and optimize antenna performance by adjusting the size, thickness, and dielectric material of the multiple nested bodies. The compact lens antenna is smaller, lighter, and has reduced wind resistance, improving the reliability and ease of installation on towers. Furthermore, by changing the shape of the lens dielectric body, adding a compensation medium, or increasing the dielectric constant, the phase of the electromagnetic wave is compensated, thus optimizing antenna performance.
Owner:COMBA TELECOM TECH (GUANGZHOU) CO LTD +1

Three-notch high-rectangularity dielectric filter

PendingCN121769468Areduce structural strengthImplement three-notch functionWaveguide type devicesWave structureMaterials science
The invention discloses a three-notch high-rectangularity dielectric filter which comprises a ceramic dielectric body, an input interface arranged at the first end of the ceramic dielectric body and an output interface arranged at the second end of the ceramic dielectric body. A first resonance hole, a second resonance hole, a first trapped wave structure, a second trapped wave structure and a third trapped wave structure are sequentially arranged on the ceramic dielectric body from a first end to a second end, and the first resonance hole and the second resonance hole are blind holes; the first resonance hole is connected with the input interface to form an input resonator, and the third notch structure is connected with the output interface; and metal shielding layers are formed on the surfaces of the ceramic dielectric body, the resonance holes and the notch structures through metallization processing. According to the invention, through the structural design of the first trapped wave structure, the second trapped wave structure and the third trapped wave structure, the three-trapped wave function can be well realized.
Owner:CHINA ELECTRONICS TECH GRP NO 26 RES INST

Antenna device and apparatus

The application relates to an antenna device and equipment. The antenna device comprises a dielectric body, a first conductive pattern layer and a second conductive pattern layer. The first conductive pattern layer comprises a first antenna structure provided with a first radiation branch. The second conductive pattern layer and the first conductive pattern layer are respectively located at two different layers of the dielectric body along the thickness direction of the dielectric body, and the second conductive pattern layer comprises a first suspension line which at least partially overlaps the first radiation branch along the thickness direction to realize mutual coupling. The antenna device has the advantages that the first suspension line of the second conductive pattern layer at least partially overlaps the first radiation branch along the thickness direction and is coupled with each other, so that the gain performance of the corresponding first working frequency band of the first radiation branch can be improved; in addition, the structure is beautiful and the overall layout is compact, a larger area is provided for the arrangement of a defogging heating unit on the dielectric body, and the defogging performance can be improved due to the increase of the area of the defogging heating unit.
Owner:FUYAO GLASS IND GROUP CO LTD

Electronic device and method for controlling transmission power of communication module

An electronic device is provided. The electronic device includes a first antenna which transmits / receives a radio frequency (RF) signal, a second antenna which transmits / receives an RF signal, a third antenna which transmits / receives an RF signal, a first grip sensor sensing a proximity of an external dielectric body, a second grip sensor sensing a proximity of an external dielectric body, a third grip sensor sensing a proximity of an external dielectric body, and a processor operatively connected to the first grip sensor, the second grip sensor, and the third grip sensor, wherein upon sensing proximity of an external dielectric body, the first grip sensor, the second grip sensor, and the third grip sensor transmit proximity information to the processor, and upon receiving proximity information from the second grip sensor and the third grip sensor, the processor determines that an external dielectric body is in proximity to the first grip sensor.
Owner:SAMSUNG ELECTRONICS CO LTD

Coaxial connector

The purpose of the present invention is to suppress the influence on communication performance and to restrict the through-position of a center conductor with respect to a dielectric body. The coaxial connector includes a central conductor, a dielectric body surrounding the periphery of the central conductor, and a cylindrical outer conductor surrounding the periphery of the dielectric body. The center conductor includes a center conductor main body formed in an elongated shape and a protruding portion protruding at a longitudinal middle position of the center conductor main body. The dielectric body has a through-hole through which the center conductor main body can pass, the protruding portion partially protrudes in the circumferential direction of the center conductor main body, and the center conductor main body passes through the through-hole in a state where the protruding portion is in contact with one of both axial end portions of the dielectric body.
Owner:AUTONETWORKS TECH LTD +2

Electrification device, process cartridge, and electrophotographic image forming apparatus

Provided is an electrification device equipped with a plasma actuator, wherein the plasma actuator: comprises a dielectric body, a first electrode provided on a first surface of the dielectric body, and a second electrode disposed across the dielectric body from the first electrode; by applying alternating-current voltage between the first electrode and the second electrode, generates an induced flow along an exposed portion not covered with the first electrode of the first surface of the dielectric body from an edge portion of the first electrode; and is disposed such that the induced flow is directly supplied to the surface of the body to be electrified, and applies direct-current voltage between the first electrode and the body to be electrified.
Owner:CANON KK

Broadband silicon-based su-8 dielectric resonant antenna array and method of manufacturing the same

A broadband silicon-based SU-8 dielectric resonant antenna array and its fabrication method are disclosed, comprising: a feeding substrate, an SU-8 layer disposed thereon, and a dielectric resonator located in the SU-8 layer, wherein: the dielectric resonator includes a dielectric body and a first metal layer; the feeding substrate includes: a second metal layer, a dielectric layer, and a third metal layer. This invention uses high-resistivity silicon as the main dielectric resonator and employs a coupled feeding method to fabricate a template with cavities on the feeding substrate using SU-8 photoresist, achieving high-precision manufacturing and array assembly of the dielectric resonant antenna, as well as rapid assembly and precise positioning; simultaneously, it has a wider operating bandwidth and advantages such as simple process steps, low cost, and rapid mass production.
Owner:SHANGHAI JIAOTONG UNIV

Absorbing gas species from a cavity of a vapor cell

In a general aspect, gettering elements are disclosed for absorbing gas species from a cavity of a vapor cell. In certain aspects, a vapor cell includes a dielectric body having interior and exterior surfaces. The interior surface defines a cavity in the dielectric body, and the exterior surface defines an opening to the cavity. The dielectric body also includes a channel having a porous layer that is configured to absorb a gas species from the cavity. The vapor cell also includes a vapor or a source of vapor residing in the cavity as well as an optical window that covers the opening to the cavity. The optical window has a surface bonded to the exterior surface of the dielectric body to form a bonded interface of the vapor cell. The bonded interface includes a seal around the opening, and the vapor or the source of vapor includes alkali metal atoms.
Owner:QUANTUM VALLEY IDEAS LAB

A dielectric waveguide resonator and a multimode dielectric waveguide resonator

ActiveCN116031602Bincrease distanceImplement extensionsResonant cavityLow-pass filter
The application discloses a dielectric waveguide resonator and a multimode dielectric waveguide resonator, which comprises a dielectric resonant cavity, the dielectric resonant cavity comprises a dielectric body and a metal plating layer wrapping an outer surface of the dielectric body; a metal loading interface is arranged in the dielectric body and is connected with the metal plating layer; the metal loading interface intersects with an intrinsic electric field direction of the dielectric resonant cavity to reduce a main mode frequency of the dielectric resonant cavity. Embodiments of the application provide a dielectric waveguide resonator and a multimode dielectric waveguide resonator, by adding a metal loading interface in a dielectric body of a dielectric waveguide resonator, the size, frequency and unloaded Q value of the dielectric waveguide resonator are kept unchanged, high-order mode harmonics are pushed away, the performance of a low-pass filter is improved, and loss is improved.
Owner:SHENZHEN SAMSUNG COMM TECH RES +1

Electrosurgical instrument

An electrosurgical instrument having a radiating tip with enhanced flexibility. In a first aspect, this is achieved by shaping the dielectric material in the radiating tip to facilitate bending of the radiating tip. In a second aspect, this is achieved by forming a dielectric body and outer sheath of the radiating tip as separate parts, to enable movement and flexure between the parts. By improving the flexibility of the radiating tip, manoeuvrability of the electrosurgical instrument may be improved.
Owner:CREO MEDICAL LTD

ELECTRICITY

UndeterminedDE112024003065T5Mixed oxideElectret
An electret (1) is formed by subjecting an inorganic dielectric body (2) to a charging process. The inorganic dielectric body (2) is composed of a metal compound containing at least either Al or Mg, and the total mole fraction of Al and Mg among all the metal elements contained in the metal compound is greater than 50%. The metal compound may contain a metal oxide or a metal salt and may be an Al-containing oxide or salt, a Mg-containing oxide or salt, or a mixed oxide containing both Al and Mg.
Owner:DENSO CORP

Chip capacitor voltage withstanding structure

The utility model discloses a chip capacitor voltage withstanding structure which comprises a main body. A dielectric body and an inner electrode are arranged in the main body; the top protection structure comprises a protection outer layer and a heat conduction buffer layer from top to bottom; the metal connecting ends are positioned at two ends of the main body and wrap the main body; the upper ends of the metal connecting ends exceed the top surface of the main body, and protective strips are convexly arranged at the upper ends of the metal connecting ends; the end protection structures are located in the opposite side faces of the metal connecting ends and make contact with the two ends of the body. According to the utility model, the compression resistance and pressure resistance of the main body are improved, the main body is not easily damaged by stress in the production link, the storage link, the installation link and the like, and the practicability is strong.
Owner:CHONGQING NATERS TECHNOLOGY CO LTD

Absorbing Gas Species from a Cavity of a Vapor Cell

In a general aspect, gettering elements are disclosed for absorbing gas species from a cavity of a vapor cell. In certain aspects, a vapor cell includes a dielectric body having interior and exterior surfaces. The interior surface defines a cavity in the dielectric body, and the exterior surface defines an opening to the cavity. The dielectric body also includes a channel having a porous layer that is configured to absorb a gas species from the cavity. The vapor cell also includes a vapor or a source of vapor residing in the cavity as well as an optical window that covers the opening to the cavity. The optical window has a surface bonded to the exterior surface of the dielectric body to form a bonded interface of the vapor cell. The bonded interface includes a seal around the opening, and the vapor or the source of vapor includes alkali metal atoms.
Owner:QUANTUM VALLEY IDEAS LAB

Antenna module and communication device mounted with same

An antenna module (100) is provided with a dielectric substrate (130), a radiating element (121), a ground electrode (GND), a power supply wiring (140), a path (V1) connected to the radiating element (121), and an auxiliary electrode (150). The dielectric substrate has main surfaces (131, 132) facing each other. The ground electrode is disposed on the dielectric substrate so as to face the radiating element at a position closer to the main surface (132) than the radiating element. The power supply wiring transmits a high-frequency signal to a power supply point (SP1) of the radiating element. The auxiliary electrode is connected to the path, and is disposed between the radiating element and the ground electrode. The feed point is disposed at a position shifted in the first direction from the center of the radiating element. The passage is connected to the radiating element at a position shifted from the center of the radiating element in a second direction opposite to the first direction. The auxiliary electrode protrudes in the second direction from the radiating element in a plan view from the normal direction of the dielectric substrate.
Owner:MURATA MFG CO LTD

Shielded connector

And the damage of the shielding terminal to the shell is prevented. A first shield connector is provided with: a shield terminal (20) having a first inner conductor (21), a first dielectric body (22), and a first outer conductor (23); and a housing (11) into which the shield terminal (20) is inserted from the rear, the first outer conductor (23) being configured from a metal sheet material (25) and being configured by connecting, in the front-rear direction, a front cylindrical member (24) and a rear cylindrical member (50), the axis of which is oriented in the front-rear direction, the front cylindrical member (24) being integrally formed with a misinsertion prevention portion (35), and the rear cylindrical member (50) being integrally formed with the misinsertion prevention portion (35). The misinsertion prevention portion (35) is formed in a shape that extends in a cantilevered manner and is bent so as to protrude outward in the radial direction, the front surface of the misinsertion prevention portion (35) is configured only by a surface other than the shear surfaces (25S, 25R), and a support portion (55) is formed on the rear cylindrical member (50) and supports an extended end portion (35E) of the misinsertion prevention portion (35).
Owner:AUTONETWORKS TECH LTD +2

Antenna module, substrate connection structure, and communication device

The antenna module includes a dielectric substrate, a ground electrode, a radiation electrode, and a power supply wiring. The dielectric substrates (130A, 130B) have a flat plate shape. The dielectric substrate (130C) is connected to the back surfaces of the dielectric substrates (130A, 130B), and is not flexible. The radiation electrode (121A) is disposed on the dielectric substrate (130A) at a position closer to the surface (131) side than the ground electrode (GND1). The radiation electrode (121B) is disposed on the dielectric substrate (130B) at a position closer to the surface (133) side than the ground electrode (GND2). The ground electrode (GND3) is disposed on the dielectric substrate (130C), and electrically connects the ground electrode (GND1) and the ground electrode (GND2). The power supply wiring is disposed on the dielectric substrate (130C) and transmits a high-frequency signal from the dielectric substrate (130A) to the dielectric substrate (130B). The normal direction of the dielectric substrate (130A) and the normal direction of the dielectric substrate (130B) are different from each other.
Owner:MURATA MFG CO LTD

Vapor cells having optical windows with multilayer coatings

In a general aspect, vapor cells are disclosed that include a dielectric body and an optical window. The dielectric body has a cavity and an exterior surface that defines an opening to the cavity. The optical window includes a substrate and first and second multilayer coatings. In some aspects, the substrate has first and second substrate surfaces on opposite sides of the substrate, and the first and second multilayer coatings are disposed on, respectively, the first and second substrate surfaces. The first multilayer coating defines a first window surface that is bonded to the exterior surface of the dielectric body and extends across the opening. The second multilayer coating defines a second window surface that faces an exterior of a vapor cell. The first and second multilayer coatings apply, respectively, first and second stresses to the substrate, with the second stress counteracting the first stress.
Owner:QUANTUM VALLEY IDEAS LAB

Dielectric antennas for integrated sensing and communication

A dielectric antenna that includes a substrate layer, a ground layer on top of the substrate layer, and a dielectric body on top of the ground layer. The dielectric body has an elongated shape. The dielectric antenna further contains an electric wall structure on a top of the dielectric body for cutting links among higher-order modes of the dielectric antenna. The invention aims to investigate novel antenna solutions for integrated sensing and communication (ISAC) applications.
Owner:CITY UNIVERSITY OF HONG KONG