1280results about "Fixed signal inductances" patented technology

The invention discloses an AI common mode inductance coil broken line material planting machine which comprises a first conveying line. A first material stripping module is arranged below the discharging end of the first conveying line. The m ejected inductance coils are grabbed by the first coil taking and placing manipulator and are transferred into the m bending jig grooves; the bending jig disc on the first transfer table is pushed to the feeding end of the second conveying line through a first jig disc push rod assembly; a T-core feeding device is arranged on the T-core feeding device; two pin bending machines; a second material stripping module is arranged below the second transfer table; and the discharging manipulator comprises an overturning manipulator and a rotating manipulator, the overturning manipulator is used for grabbing the m finished product materials and overturning the m finished product materials by 180 degrees, and the rotating manipulator is used for grabbing the m finished product materials overturned by 180 degrees, rotating the m finished product materials by 90 degrees and then discharging the m finished product materials to the material disc. According to the automatic feeding device, T-core magnetic core feeding, pin bending, finished product material overturning and material placing are integrated, and the inductance coil machining efficiency is improved.

Various magnetic thin film inductor structures are disclosed that include one or more magnetic thin film (MTF) materials. During operation, an electric field passes through one or more conductive windings which, in turn, generates a magnetic field for storing energy within these magnetic thin film inductor structures. The magnetic thin film (MTF) materials within these magnetic thin film inductor structures effectively attract magnetic flux lines of this magnetic field. As a result, any magnetic leakage resulting from the magnetic field generated by these magnetic thin film inductor structures onto nearby electrical, mechanical, and / or electro-mechanical devices is lessened when compared to magnetic leakage resulting from the magnetic field generated by other inductor structures not having the one or more MTF materials.

A filter module includes a circuit board on or in which a ground electrode is provided, and a low pass filter on the circuit board. The low pass filter includes first and second inductors, and a capacitor. The first and second inductors are cumulatively connected to each other. Relationships of Lp+Lg−M≥0 and Lp−M<0 are satisfied, where Lp denotes an inductance of a path between a connection portion between the first and second inductors and a ground terminal, Lg denotes an inductance of a path between the ground terminal and the ground electrode, and M denotes a mutual inductance between the first and second inductors.

A resin film (100) comprising a core layer (2) and adhesive resin layers (1) which are respectively provided to both sides of the core layer (2), wherein: the adhesive resin layers (1) each comprise an adhesive resin composition that contains an epoxy resin; the dielectric breakdown strength of a cured product of the adhesive resin composition is not less than 300 kV / mm; the core layer (2) comprises a polyimide film; and the dielectric breakdown strength of the polyimide film is not less than 300 kV / mm.

Provided in the embodiments of the present disclosure are a base layer, an inner electrode layer, a lower lead layer, a substrate and an inductor. The base layer comprises an insulating layer and an electrode, wherein the electrode is arranged on the insulating layer; and the electrode comprises a coil, a first connecting disk and an extension portion, the coil having a first end, the first connecting disk being arranged at the first end, the extension portion being arranged on the first connecting disk, and the extension portion extending in a direction away from the first end from the side of the first connecting disk facing away from the first end.

Disclosed herein is a coil component that includes a drum core; a terminal fitting fixed respectively to the flange part of the drum core; and a wire wound around the winding core part of the drum core. The terminal fitting has a wire connecting part to which the wire is connected and a mounting part having springiness with respect to the drum core. The distance between the flange part and the mounting part is larger than the distance between the flange part and the wire connecting part.

The invention provides a laminated inductor capable of improving an inductance value and a Q value. The laminated inductor includes: a body having a first end surface and a second end surface facing each other in a first direction; a first external electrode provided on the first end surface; a second external electrode provided on the second end surface; an inner conductor provided inside the body and wound in a coil axis direction orthogonal to the first direction; a first lead-out conductor which is provided inside the green body and connects the internal conductor and the first external electrode; and a second lead-out conductor provided inside the body and connecting the inner conductor and the second external electrode, the second lead-out conductor being electrically connected to the second external electrode when viewed from the coil axis direction. A straight line extending in the first direction as a first boundary portion of the boundary between the first lead-out conductor and the inner conductor does not overlap with a second boundary portion of the boundary between the second lead-out conductor and the inner conductor. The second lead-out conductor has a curved shape protruding in a direction away from a straight line formed by extending the first boundary portion in the first direction.

To provide a coil component in which disconnection of a wire near a metal terminal can be suppressed.SOLUTION: A coil component 10 includes a drum core 10C, a first metal terminal 40, and a first wire 81. The drum core 10 includes: a columnar winding core 11; a first flange 21 provided at a first end in a direction along a central axis X of the winding core 11; and a second flange 31 provided at a second end opposite to the first end of the winding core 11. The first metal terminal 40 is provided on the first flange 21. The first metal terminal 40 has a first joining part 45 facing an upper surface of the first flange 21. The first joining part 45 has a first inclined portion 45B having an upper surface inclined in the downward direction toward the winding core 11 in a direction along a left-right axis Z. A first end 81A of the first wire 81 is joined to an upper surface of the first joining part 45. In addition, the first wire 81 overlaps the first inclined portion 45B when viewed downward.SELECTED DRAWING: Figure 2

A filter apparatus includes first to third resonators magnetically coupled and located in a signal transmission path from an input terminal to an output terminal. Each of the resonators includes a capacitor electrode and an inductor path. The capacitor and a ground electrode define a capacitor. The inductor path connects the capacitor and ground electrodes. The inductor path in the second resonator includes first and second lines electrically connected in parallel, between the capacitor electrode of the second resonator and the ground electrode. A first interconnection pattern connects the inductor path in the first resonator and the first line. A third interconnection pattern connects the inductor path in the third resonator and the second line. A second interconnection pattern connects the first and second lines at a position different from a position of connection of the first interconnection pattern in the first line.

An electronic component includes a body, an inner conductor inside the body, and an outer electrode that lies on part of at least a first main surface of the body and includes an underlying electrode and a plating electrode with which the underlying electrode is covered. The underlying electrode includes a first underlying electrode on part of the first main surface and connected directly to the inner conductor and a second underlying electrode at part of the first main surface away from the first underlying electrode and closer than the first underlying electrode to the center of the body in the length direction and not connected directly to the inner conductor. The plating electrode includes first and second plating electrodes. The first underlying electrode is covered with the first plating electrode, and the second underlying electrode is covered with the second plating electrode.

The invention provides a magnetic resin composition, a magnetic film and application thereof. The magnetic resin composition comprises (A) a magnetic filler, (B) epoxy resin, (C) a curing agent and (D) a flexibilizer, the magnetic filler (A) comprises carbonyl iron powder (A1), FeSiCr alloy (A2) and iron-based nanocrystals (A3); based on the total mass of the magnetic resin composition as 100%, the content of the (A) magnetic filler is 85% or more; based on 100% of the total mass of the magnetic filler (A), the content of the carbonyl iron powder (A1) is 55%-65%, the content of the FeSiCr alloy (A2) is 15%-25%, and the content of the iron-based nanocrystalline (A3) is 15%-25%. According to the magnetic resin composition and the preparation method thereof, specific types of magnetic fillers are introduced and compounded according to a specific content, so that the magnetic resin composition has relatively high magnetic conductivity and relatively low magnetic loss after being cured, and meanwhile, the binding force with a copper layer is relatively high.

To provide a coil device having a simple configuration and high heat dissipation.SOLUTION: A coil device 1 includes a bobbin 2, a first winding part disposed on an outer peripheral surface of the bobbin 2, a second winding part 40 disposed directly or indirectly on an outer peripheral surface of the first winding part, a first core 5a and a second core 6a attached to the bobbin 2, a case 8 that houses at least the bobbin 2, and a synthetic resin filled in the case 8. The first core side 5a has a first base portion 50 and a pair of first outer leg portions 51 that protrude from the first base portion 50 and face each other in a first direction perpendicular to the axial direction of the bobbin 2. The second core side 6a has a second base portion 60 and a pair of second outer leg portions 61 that protrude from the second base portion 60 and face each other in the first direction. The first outer leg portion 51 is separated from the second outer leg portion 61 such that a gap 12 is formed between the first outer leg portion 51 and the second outer leg portion 61 in a second direction perpendicular to the axial direction of the bobbin 2 and the first direction.SELECTED DRAWING: Figure 1

A radio-frequency module includes a module substrate, an inductor, and an acoustic wave filter. The inductor overlaps at least a portion of the acoustic wave filter when seen in a plan view from the normal direction of the module substrate. The inductor includes first and second coils connected in series. Each of the first and second coils is a spiral or helical coil that is wound with more than one turn. At least a portion of the first coil overlaps the second coil when seen in a plan view from the normal direction of the module substrate. A direction of a magnetic field generated by the first coil is opposite to a direction of a magnetic field generated by the second coil.

The invention relates to the field of reactor volume optimization design, in particular to a low-harmonic magnetically controlled reactor volume optimization design method. According to the scheme, the method comprises the following steps: selecting parameter variables of the low-harmonic magnetically controlled reactor, wherein the parameter variables comprise iron core length, iron core height, iron core cross section side length, single-side air gap length, total winding turns and single-side winding layer number; according to the selected parameter variables of the low-harmonic magnetically controlled reactor, variables needed in the optimization process are calculated; setting constraint conditions; and the optimal parameter combination enabling the iron core volume to be minimum is optimized and solved through the improved genetic algorithm. The objective function aims to minimize the outer volume of an iron core, punishment is applied to inductance deviation, and various constraint conditions including wire constraint, winding turn number constraint, winding thickness constraint, inter-winding insulation and appearance constraint, maximum inductance value constraint and peak magnetic flux density constraint are set. And performance failure caused by pure pursuit of volume minimization is avoided. The method is suitable for reactor volume optimization design.

The invention comprises a method and apparatus for processing power, comprising the steps of: generating / using 3-phase power; feeding an AC drive with the 3-phase power, the AC drive generating a first output; and transforming the first output with a zigzag transformer, the zigzag transformer linked to at least one load output / load connector. The method and apparatus comprises an optional filter for filtering the 3-phase power prior to the step of transforming, the filter including a distributed gap core material.

To provide a laminated filter capable of improving performance.SOLUTION: A laminated filter 1 comprises a wall 13 which is disposed and grounded between a first inductor 11 and a second inductor 12. Therefore, electromagnetic coupling between the first inductor 11 and the second inductor 12 can be suppressed. A penetration part 30 penetrating in an opposing direction, in which the first inductor 11 and the second inductor 12 are opposed, is formed in the wall 13. In a lamination direction, a size of the penetration part 30 is larger than a size of one insulator layer 7. The wall 13 includes the large penetration part 30 to make a magnetic flux of the second inductor 12 which is a longitudinally wound inductor pass from the penetration part 30. Therefore, it is possible to suppress disturbance of the magnetic flux of the second inductor 12 to enhance a Q-value.SELECTED DRAWING: Figure 2

To suppress degradation of characteristics, a high frequency module includes a mounting substrate, a first signal terminal, a second signal terminal, and ground terminals, and a hybrid filter. The hybrid filter is coupled between the first signal terminal and the second signal terminal. The hybrid filter includes an acoustic wave filter having at least one acoustic wave resonator, a first inductor, and a capacitor. The pass band width of the hybrid filter is larger than that of the acoustic wave resonator. A resin layer is disposed on a first principal surface of the mounting substrate. The resin layer covers at least part of the acoustic wave filter. A metal electrode layer covers at least part of the resin layer, and is coupled to the ground terminals. The second inductor is coupled between the hybrid filter and the second signal terminal.

The application provides a coil module, an electronic device and a wireless charging system, and relates to the technical field of wireless charging, and aims to solve the problem that the thickness of the wireless charging coil module is relatively large, which is not conducive to the arrangement of other functional devices in the electronic device. The coil module comprises a coil structure; the coil structure comprises a functional layer; along the thickness direction of the coil structure, the functional layer comprises a first wiring sublayer, a second wiring sublayer and an insulating sublayer located between the first wiring sublayer and the second wiring sublayer; the coil structure further comprises a first end, a second end and a plurality of groups of coils connected in series; the first end and the plurality of groups of coils are arranged on the first wiring sublayer, and the outermost group of coils is connected to the first end; the second end is arranged on the second wiring sublayer; a via hole is arranged on the insulating sublayer, and a connecting structure is arranged in the via hole; the innermost group of coils is connected to the second end through the connecting structure in the insulating sublayer, so that the first end is electrically connected to the second end through the plurality of groups of coils connected in series.

An inductive device is provided. The inductive device includes a laminated body and two external electrodes. The laminated body includes an insulator and a plurality of conductive wiring layers stacked in a first direction. The conductive wiring layers are embedded within the insulator, and any two adjacent ones of the conductive wiring layers are electrically connected to each other to form a coiled conductor extending spirally. The external electrodes are disposed on the laminated body and electrically connected to the coiled conductor, and the external electrodes are spaced apart from each other. Each of the external electrodes includes a base plate, a lateral wall, and a plurality of stress dispersing structures extending toward the coiled conductor and protruding from at least one of the base plate and the lateral wall, and the stress dispersing structures are spaced apart from each other and engaged with the laminated body.

A molded inductor includes a winding having leads configured for attaching leads of the winding to pads on a package substrate, having a magnetic core with a body disposed within the winding, wherein the magnetic core has at least one mold flow enhancing feature that enhances a filling of a magnetic mold material as compared to a filling provided by a uniform cylindrical body. The magnetic mold material encases the winding and the magnetic core to form either a standalone discrete inductor component, or the magnetic component of an output filter of an integrated switching power converter module.

A magnetic composite includes: a non-metallic inorganic base material; and a ferrite layer provided on a surface of the non-metallic inorganic base material, and the non-metallic inorganic base material has a thickness of 2.0 μm or more, the ferrite layer has a thickness (dF) of 2.0 μm or more and 50.0 μm or less, and contains spinel-type ferrite as a principal component, and a content of α-Fe2O3 in the ferrite layer is 3.0 mass % or more and 25.0 mass % or less.

The invention provides a laminated inductor capable of suppressing reduction in reliability caused by structural defects such as cracks. This laminated inductor is provided with: a laminated body in which a plurality of insulating layers are laminated in a lamination direction, and which has a coil therein; and first and second external electrodes provided on the outer surface of the laminate and electrically connected to the coil. The coil is configured by electrically connecting a plurality of coil conductor layers stacked in a stacking direction. The plurality of coil conductor layers have M + N layers of first coil conductor layers that are continuous in the lamination direction. The first coil conductor layers each have a first parallel portion. The first parallel portions of the first coil conductor layers adjacent in the stacking direction are connected in parallel with each other via at least two conductive conductors. The M layers in the first coil conductor layers are first lead-out layers having first lead-out conductors, and the N layers are first non-lead-out layers having no first lead-out conductors. M is a natural number greater than 2, and at least one first non-lead-out layer exists between at least one group of first lead-out layers in the stacking direction.

The invention provides a degradable and stretchable wireless sensor with a multilayer circuit and a preparation method of the degradable and stretchable wireless sensor. The wireless sensor comprises an integrated folding structure and a packaging layer, the integrated folding structure comprises a plurality of layers of snakelike wire structures and a plurality of electrode plates; the snakelike wire structure provides inductance, and the electrode plate provides capacitance; the snakelike wire structure is formed by a planar and multi-cycle snakelike wire structure formed by a biodegradable metal and biodegradable polymer composite layer through multiple times of 180-degree twisting and folding, and patterns of the snakelike wire structure are overlapped after folding so as to realize effective series connection of the inductance coils; the electrode plates are bonded with each other through a biodegradable dielectric layer; the snakelike wire structure adopts a neutral axis separation design at the arc section, namely, the wire width is divided into multiple strands. Reliable series connection of multiple layers of coils can be achieved, inductance is effectively increased, high-frequency resistance is reduced, and therefore wireless transmission performance is improved, and meanwhile the requirements for flexibility, stretchability and biodegradability are completely met.

To provide a reactor which can easily adjust an inductance and a heat dissipation without increasing the size.SOLUTION: In a reactor, a coil of which the number of winding parts is one, and a magnetic core are provided, an outer peripheral surface of each winding part contains a part contacted to an installation object of the reactor, and the magnetic core includes an E-shape like first core part, a T-shaped like second core part, and a gap part. The first core part is constructed by a compact of a composite material, and the second core part is constructed by a dust compact. The gap part is arranged between a first middle core part of the first core part and a second middle core part of the second core part in an inner part of each winding part. A length from the second end surface of each winding part to the gap part is 0.2 times or more and 0.49 times or less of the length of each winding part. A total volume of a volume of the first core part, a volume of the second core part, and a volume of the gap part is 50 cm3 or more and 500 cm3 or less.SELECTED DRAWING: Figure 4

The utility model discloses an integrated magnetic element and a switching power supply, the integrated magnetic element comprises a first circuit board, a second circuit board and a magnet, and the first circuit board comprises a primary winding circuit and a secondary winding circuit; the second circuit board comprises a PFC circuit, and the second circuit board and the first circuit board are arranged side by side; the magnet comprises a first cavity used for containing the first circuit board and a second cavity used for containing the second circuit board, the magnet further comprises a partition wall, and the partition wall is arranged between the first cavity and the second cavity so as to separate the first cavity from the second cavity. According to the invention, the transformer and the PFC inductor are integrated into one planar magnetic element, and the size of the magnetic element is reduced, so that the internal structure of the switching power supply is more compact, and the power density is improved.

To solve a problem in which air may remain between the outer surface of a metal layer and a substrate or the like.SOLUTION: An electronic component 10 includes an element body 11, a first base electrode 21A, and a first metal layer 22A. The outer surface 23 of the first base electrode 21A has a flat surface 24 and a recess 25 recessed relative to the flat surface 24. The first metal layer 22A fills the recess 25, and the outer surface of the first metal layer 22A is flat. The melting point of the outermost layer of the first metal layer 22A is 240°C or lower.SELECTED DRAWING: Figure 1

To provide a coil component which can prevent short-circuiting in a coil.SOLUTION: A coil component ED1 has an element assembly 1 and a coil. The coil includes a conductor layer 31 and a second conductor layer. The conductor layer 31 includes conductors 31a, 31b, and 31c which are aligned in such a direction that lateral faces 1e, 1f face each other. Each of the conductors 31a, 31b, and 31c includes: a conductor portion P1; a conductor portion P2; and a conductor portion P3 which couples the conductor portions P1 and P2 to each other. The second conductor layer includes a conductor which includes: an end connected to the conductor portion P1; and an end connected to the conductor portion P2. In the direction mentioned above, the positions of the conductor portion P1 and the conductor portion P2 are offset from each other. The conductor portion P3 extends in a direction different from an extension direction of the conductor portion P1 and the conductor portion P2. In the two adjacent conductors, namely the conductors 31a and 31b, or the conductors 31b and 31c, among the plurality of conductors 31a, 31b, and 31c, a minimum distance L3 is longer than a minimum distance L1 or the minimum distance L2.SELECTED DRAWING: Figure 2

A method for manufacturing a reactor includes a bonding process of joining molded cores with a molded coil with an adhesive, and a welding process of connecting, by welding, the lead wire of a coil to a busbar fixed to the molded core. The coils are attached to respective leg portions. The bonding process includes an applying process of applying the adhesive to the joining surfaces of the respective leg portions of each of the core members, and the inner circumferential surfaces of the respective yoke portions of the core members, a depressing process of spreading the applied adhesive by depression, and a curing process of curing the adhesive.

The present invention provides a reactor equipped with a magnetic core that can suppress the increase in iron loss and leakage flux. [Solution] A reactor 1 comprising a coil 2 having winding sections 21, 22 and a magnetic core 3, wherein the magnetic core 3 has a plurality of segmented pieces 3A, 3B, ... including a first core piece 5 and a second core piece 6, and the first core piece 5 is made of a composite material including resin and soft magnetic powder dispersed in the resin, and comprises a first portion 51 that extends in a direction perpendicular to the axial direction of the winding sections 21, 22 and is positioned facing the end faces of the winding sections 21, 22, and a second portion 52 that extends axially from the first portion 51, wherein the first portion 51 and the second portion 52 are formed in a continuous manner without joints, and the first relative permeability of the first portion 51 with respect to the magnetic flux along the extension direction of the first portion 51 is different from the second relative permeability of the second portion 52 with respect to the magnetic flux along the extension direction of the second portion 52.