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6922128 |
Method for forming a spiral inductor
A method for forming a spiral inductor ( 11 ) or component of a transformer, compatible with very large scale integrated processing, that achieves a higher Q value without occupying more space by...
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6922127 |
Raised on-chip inductor and method of manufacturing same
A raised on-chip planar inductor. An inductor is fabricated on a substrate. The inductor, except for an anchoring extremity, is lifted from the substrate, preferably by application of a magnetic...
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6917254 |
Balanced-to-unbalanced transformer
A method relating to a balun for transmitting a high degree of high-frequency power where metal sheet element is soldered onto the loop conductor tract of the symmetrical circuit loop, the...
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6917274 |
Stacked coil device and fabrication method thereof
A stacked coil device comprising: an inner electrode layer formed of at least two parts and having a non-magnetic electrode region and an inner magnetic region formed as one layer, the non-magnetic...
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6917273 |
Common mode choke coil with edgewise windings and line filter including same
A common mode choke coil comprises: a Mn—Zn ferrite core which is shaped square, forms a closed magnetic path, and which has an initial permeability of at least 3,000 at 100 kHz and at least 100...
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6914508 |
Simplified transformer design for a switching power supply
A transformer has a primary winding made from a first conducting trace formed on a first multilayer printed circuit board, and a secondary winding made from a second conducting trace formed on a...
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6914509 |
Transformer former between two layout layers
A printed circuit transformer includes a first wiring layer, a second wiring layer, a primary conductive coil including a first conductive trace, a second conductive trace, a third conductive...
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6914513 |
Materials system for low cost, non wire-wound, miniature, multilayer magnetic circuit components
This invention describes materials system and processing conditions for manufacturing magnetic circuit components such as induction coils and transformers that are non wire-wound, miniature in size...
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6914506 |
Inductive component and method of manufacturing same
An inductive component in accordance with the invention includes a core which is connected to a base via a film having an adhesive coating on at least one side. In a preferred form, the core is...
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6911889 |
High frequency filter device and related methods
A filter device may include a plurality of ferrite filters laminated together in vertically stacked relation, where each ferrite filter may include a pair of ferrite layers laminated together in...
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6911890 |
High frequency laminated device
A laminated high frequency device includes a laminated body including plural magnetic sheets having relative permeabilities larger than 1, inductor patterns for forming plural inductors in the...
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6903646 |
Inductor device and electronic circuit device that can achieve further integration while maintaining a high inductance
An inductor device includes first and second spiral conductors. First and second external connection terminals are formed in inner peripheral ends of the first and second spiral conductors,...
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6903644 |
Inductor device having improved quality factor
An inductor device including a first coil conductor ( 310 ) and a second coil conductor ( 510 ), the first coil conductor ( 310 ) being located over a substrate ( 120 ) and having a first pattern...
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6903645 |
Surface mounting type planar magnetic device and production method thereof
This invention provides a surface mounting type planar magnetic device comprised of upper ferrite magnetic film, lower ferrite magnetic film and a planar coil interposed therebetween. For applying...
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6903938 |
Printed circuit board
The invention relates to a printed circuit board comprising capacitive and inductive elements. To arrange such a printed circuit board so that it has a smaller thickness and can be manufactured...
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6903641 |
Dust core and method for producing the same
The present invention is characterized in that, in a powder magnetic core obtained by compaction of an iron-based magnetic powder covered with an insulation film, a saturation magnetization Ms is...
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6901653 |
Process for manufacturing a magnetic head coil structure
A Damascene process is provided for manufacturing a coil structure for a magnetic head. During the manufacturing process, an insulating layer is initially deposited after which a photoresist layer...
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6901654 |
Method of fabricating a coil and clamp for variable reluctance transducer
Improved coils and clamps for variable reluctance sensors are disclosed. A method of fabricating a discrete coil involves providing a conductor wound in a coil on a tube. The coil has a coil outer...
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6900717 |
Bobbin for hybrid coils in planar magnetic components
A bobbin for hybrid coils in planar magnetic components including an outer bobbin component configured to hold planar magnetic circuits and an inner bobbin component configured to hold a...
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6897754 |
Magnetic core for inductor
Disclosed is a low-priced and small-sized magnetic core for an inductor suitable for a high frequency signal and a large-current signal. The magnetic core is modified from a conventional EP type...
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6894596 |
Inverter transformer to light multiple lamps
An inverter transformer includes: a frame-core shaped substantially square; a plurality of I-cores disposed inside and coupled to the frame-core so as to provide a predetermined leakage inductance;...
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6894598 |
Inductor having small energy loss
An inductor has a laminated structure in which an insulating layer and a wiring layer are laminated alternately on a semiconductor substrate. The laminated structure includes at least two wiring...
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6894585 |
High quality factor (Q) planar spiral inductor based CATV diplexer and telephony module
A cable television diplexer and telephony module that can be employed in CATV data transmission systems to enhance performance levels and reduce manufacturing costs. The cable television diplexer...
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6891462 |
High-Q inductor for high frequency
A high-Q inductor for high frequency, having a plurality of inductor elements formed in a plurality of IC wiring layers with a connection formed therebetween. The directions of the magnetic fields...
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6889423 |
Method for manufacturing laminated electronic component
A laminated electronic component comprising: a plurality of parallel first conductive patterns, which are laminated via a magnetic layer to a plurality of parallel second conductive patterns, the...
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6888438 |
Planar printed circuit-board transformers with effective electromagnetic interference (EMI) shielding
Novel designs for printed circuit board transformers, and in particular for coreless printed circuit board transformers designed for operation in power transfer applications, in which shielding is...
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6888435 |
Composite magnetic body, and magnetic element and method of manufacturing the same
The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol...
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6885276 |
Photosensitive thick film composition and electronic device using the same
A photosensitive thick film composition is provided which has superior storage stabilities and can be reliably processed by developing. The photosensitive thick film composition is composed of a...
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6885275 |
Multi-track integrated spiral inductor
An integrated circuit inductor includes a spiral pattern disposed upon a substrate. The track of the spiral is divided into multiple tracks to form a multi-track inductor. The individual tracks are...
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6885277 |
Externally adjustable impedance transformer
An externally adjustable RF impedance matching mechanism comprises an upper lid and a base containing a circuit element board therebetween. One or more than one precise adjustment device for...
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6882260 |
Method and apparatus for insulating a planar transformer printed circuit and lead frame windings forms
The invention relates to a planar coil circuit and provides an improved method for insulating a face of a planar circuit of the type typically used in a transformer, while leaving the terminals...
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6882261 |
Coil-embedded dust core and method for manufacturing the same, and coil and method for manufacturing the same
There are provided a coil-embedded dust core that provides high inductance and a method for manufacturing the same. The coil-embedded dust core includes a coil 1 formed by winding a flat...
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6882262 |
Nonreciprocal circuit device and communication device using same
A nonreciprocal circuit device is provided which has an improved reflection characteristic of the port of the center conductor which is disposed parallel with one side of a magnetic body. In this...
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6882240 |
Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
A transmission line element is formed in an integrated circuit chip. The transmission line element includes a plurality of parallel conductors, with each conductor including a plurality of...
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6882263 |
On-chip transformer balun
A transformer balun is obtained that is symmetrical in structure, provides high current, or high voltage, amplification and has high coupling coefficients while maintaining minimal overall size....
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6879235 |
Transformer
A transformer is provided with a coil portion containing primary windings and a secondary winding. Cores sandwich the coil portion. Each of these windings includes a toroidal-shaped portion that is...
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6879234 |
Semiconductor integrated circuit
Electrically conductive layers 1 a and 2 a connected to each other via a contact form one inductor, while electrically conductive layers 1 b and 2 b connected to each other via other...
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6876288 |
Transverse field bitter-type magnet
A new type of coil magnet in which the plane of each turn of the conducting coil is rotated with respect to the central axis. This results in the induced magnetic field being oriented off the...
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6876286 |
Inductor and method of producing the same
An inductor is constructed to achieve efficient formation of external electrodes, and exhibits high reliability of connection between the external electrodes and an internal conductor, and desired...
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6876555 |
Surface-mount type switching power-supply unit and mounting method for the same
A transformer of a switching power-supply circuit is placed and mounted nearly in the middle area of a circuit board. The transformer is of a low-profile type, and a broad and flat upper surface of...
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6876521 |
Method of making a solid state inductor
A solid-state inductor and a method for forming a solid-state inductor are provided. The method comprises: forming a bottom electrode; forming a colossal magnetoresistance (CMR) thin film overlying...
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6876285 |
High density multi-layer microcoil and method for fabricating the same
A high density multi-layer microcoil includes a substrate, a multi-layer coil winding, a magnetic core and a dry film photoresist structure. The multi-layer coil winding and the magnetic core are...
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6873242 |
Magnetic component
The magnetic component uses at least two different layers of magnetic material for carrying and amplifying the magnetic flux. The use of two different layers which may, however, have the same...
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6873221 |
Multilayer balun with high process tolerance
An exemplary system and method for minimizing degradation effects attributed to misalignment in the production of multilayer balun devices is disclosed as comprising inter alia any combination of...
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6870457 |
Symmetrical stacked inductor
A symmetrical stacked inductor comprising a plurality of conductive layers using at least one conductive line formed out of a symmetrical and geometric conductive layer and having at least one...
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6867677 |
On-chip inductive structure
An on-chip inductive structure, such as the load inductors of a push-pull amplifier, comprises a substrate and first and second inductors connected in series and formed on the substrate. The...
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6867676 |
Transformer
The present invention is a kind of a transformer, equipped with a wire-winding flute on a wire-winding unit that has surrounding grooves added to each end, and adding plug pins to the for sides of...
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6864776 |
Coupling adjusting structure for double-tuned circuit
In a coupling adjusting structure for a double-tuned circuit according to the present invention, first and second coils are configured such that a pair of first conductive patterns formed on a...
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6864774 |
Inductance component and method of manufacturing the same
An inductance component comprising a column-shaped magnetic material substrate 21 , conductor layer 24 covering ends and a peripheral surface of the substrate, coil portion 27 having groove...
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6861937 |
Double winding twin coil for thin-film head writer
An enhanced inductive coil design for use in data storage magnetic disk drives with areal density over 35 Gb/in 2 , features a double wound twin coil that is able to achieve a yoke length of 15 μm...
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