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JP2004032547 |
To provide a manufacturing method for an antenna board the material yield of which is enhanced.Antenna segments 100a, 100b resulting from dividing a loop antenna 100 into two parts or more are formed on a film board 160, the board 160 is...
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JP2004032455 |
To develop a miniatured antenna which can suppress variations in an antenna frequency characteristic caused by injection-molding.In the miniaturized antenna, the dielectric material of a conductor pattern including an antenna element is ...
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JP2004023455 |
To suppress variations in a resonant frequency of a resonant element 1.The resonant element 1 has a microstrip line consisting of a dielectric substrate 2, a resonant electrode 3 on the front surface side of the substrate 2, and a ground...
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JP2004021764 |
To provide a manufacturing method capable of easily manufacturing an antenna card matched to a standard and capable of providing a desired performance, in the manufacture of the antenna card by forming an antenna pattern on a substrate b...
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JP2004023772 |
To provide a small sized dielectric resonator which can sufficiently follow transition to microwave strips.A dielectric resonator 11 is directly bonded on a circuit board 12. An electrode 13 for earth and a wiring 14 are formed in the ci...
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JP3512473 |
PURPOSE: To provided a laminated filter where the separate adjustment of a primary attenuation electrode or a secondary attenuation electrode is easily performed and the adjustment for every element is easy. CONSTITUTION: In a laminated ...
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JP2004015833 |
To provide an inexpensive plane antenna which is applicable to a short wavelength, and has high dimension accuracy and high productivity, and to provide its manufacturing method.The manufacturing method of the plane antenna as one claim ...
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JP2004013733 |
To provide a non-contact data carrier and its manufacturing method for simplifying a manufacturing process and improving mechanical strength.An antenna pattern is printed on an inlet sheet 12 with a silver paste. An IC module 24 is mount...
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JP2004015472 |
To provide a resin-made waveguide by forming a metallic layer to a combined face of resin-made waveguide main body divisions and contriving heat inside the waveguide main body to be easily escaped externally via the metallic layer so as ...
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JP3509319 |
To easily and accurately cut dielectric green sheets by distinctly recognizing the print pattern of external conductor paste printed on dielectric green sheets by the picture processing using a black-and-white camera. Many dielectric gre...
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JP2004007424 |
To provide a high frequency apparatus having a simple structure and a reduced transmission loss and capable of being made by a simple manufacturing process as compared with those of prior arts and to provide a manufacturing method thereo...
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JP2004007043 |
To provide a feed horn for a satellite communication receiving converter capable of being simply manufactured at a low cost.A cylindrical resin member for mainly configuring the feed horn 10A comprises division members: an inner resin me...
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JP3502405 |
PURPOSE: To enhance transmission characteristics by arranging a local matching element for matching a characteristic impedance in an input or output device to which a microwave coplane and other circuit boards are coupled. CONSTITUTION: ...
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JP2003347878 |
To provide a dialectic stacked device, in which the distortion of electromagnetic field distribution is suppressed to a minimum and its characteristics are improved. Planar conductors 12a to 12d, sandwiched in between multiple dielectric...
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JP2003347884 |
To provide a film bulk acoustic resonator (FBAR) element, which is applied to a ladder type filter, including a plurality of serial resonators and parallel resonators and is capable of realizing different resonant frequencies, and to pro...
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JP2003347706 |
To solve the problem that it is difficult to achieve a high aspect ratio for a small loss, because in a conventional lift-off method, an unwanted metal film deposited on a resist pattern grows sideways as well to gradually narrow the ope...
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JP2003347801 |
To obtain a waveguide assembly which can easily fix a dielectric plate with a reduced number of parts, without having to use a fixing adhesive and, which is inexpensive and high in reliability. Two opposing insertion guide grooves 3a and...
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JP3498190 |
PURPOSE: To prevent the terminal parts of conductor thin film from being short- circuited mutually and to improve the yield of a product by applying etching to the conductor thin film exposed on the end face of an electrode pattern in wh...
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JP3498186 |
PURPOSE: To easily produce the dielectric coaxial resonator and to simplify a utilization by standardizing the external shape. CONSTITUTION: An electrode 4 is formed on an inside peripheral face 2A of a through hole 3, outside peripheral...
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JP2003338701 |
To achieve improvement of reliability and cost reduction, and enable expanding limitations of switching at high frequencies.In a high-frequency switch, a BPF (band-pass filter) 20 as a filter circuit is formed on a substrate 10 by wiring...
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JP3493958 |
To provide resonator by which the desired resonance frequency and the capacitance of a coaxial-type dielectric body resonator with high precision is obtained and which can be converted into the compact one with the wide range of capacita...
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JP2003332813 |
To provide an inspection tool for a polarized wave separator, which efficiently inspects the separator and reduces variances in inspection.A notched part 3 for receiving a partition wall 22 with a metal bar 2 fittedly inserted into a wav...
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JP2003332824 |
To provide a radiating element having small radii at corners, high flatness and excellent antenna characteristics.Since this radiating element 1 is integrally cut out from a conductive plate material by a method of cutting, radii at corn...
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JP3492540 |
To make an impedance matching state satisfactory over a wide frequency range by making the size of a rectangular cross section part change from a start edge to an end edge in a tapered shape, making characteristic impedance change accord...
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JP3493265 |
To provide a dielectric waveguide line which is used for a transmission line in the high density wiring board with high density, coupled with other high frequency transmission lines, easily manufactured by using a lamination technology a...
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JP2003318633 |
To form an antenna coil having an extremely thin thickness which surely operates, even if it placed in tight contact with a metal case.The reader/writer device and the antenna coil 1 for a reader device or a writer device are formed by w...
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JP2003318611 |
To obtain a strip transmission line board, comprising a copper wiring having a low transmission loss with a surface coat layer intended to improve its corrosion resistance.After forming an electrolytic Ni-plated layer which has high cond...
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JP2003318642 |
To manufacture a base for the waveguide slot array antenna on a mass production basis using die-casting.Side walls of each of groove-shaped recesses and other recesses in a power supply waveguide or an irradiating waveguide provided to t...
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JP2003309422 |
To provide a dielectric loading antenna for enhancing the positioning precision of a loading dielectric material and not using an adhesive or the like on a dielectric installed face.Integrally forming the loading dielectric material 7 an...
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JP2003309403 |
To eliminate the occurrence of a burr in a high frequency circuit board, enhance the mountability and improve the print performance of an adhesive or the like onto the board, resulting in that a stable high frequency characteristic is ob...
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JP3488288 |
PURPOSE: To obtain a resonance circuit board with a stable characteristic without deterioration in Q even when a ribbon inductor conductor made of Ag or Cu or the like is baked at the same time when a dielectric ceramic board is formed. ...
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JP2003304108 |
To inexpensively and easily obtain a cavity resonator capable of preventing the generation of any local deformation or conductivity deterioration or the like.This cavity resonator is provided with a cylindrical cavity part, and the cavit...
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JP2003303325 |
To provide a terminal for a moving body identification system provided with an antenna coil having a sufficiently thick wire even when a bare chip is used as an IC chip connected to the antenna coil.The terminal 1 constitutes a moving bo...
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JP3485241 |
To provide a dielectric resonator which is formed of an electrode and a dielectric block, in which the face to require adhesive strength between the electrode and the surface of the dielectric block is metallized by a method, capable of ...
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JP2003304106 |
To provide a waveguide which can be manufactured even by machine working whose precision is low wherein a milimeter wave and sub-milimeter wave signal is transmitted with a low loss.This waveguide structure comprises a metallic block 1a ...
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JP2003303731 |
To easily manufacture an antenna coil for a non-contact IC card which has a low line floating electrostatic capacity and has little variation in a resistance value and in the capacity.A winding drum supporter 1 for supporting a winding d...
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JP2003298319 |
To eliminate the fear of leaving a gap between mating faces of a plurality of element components assembled to form a microwave transmission circuit element.A cross guide coupler 32 is composed of an upper and lower members 34, 36 and a c...
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JP2003298320 |
To provide a resin waveguide and its manufacturing method which has little irregularities of a metal layer surface for forming a wave guiding way.A metal layer 22 for forming a wave guiding way layer 12 of a resin waveguide 1 is formed o...
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JP2003289214 |
To prevent dislocation of an electrode and breakages in wire of a small-sized antenna, in manufacturing steps.A recessed part 1a of a prescribed shape is formed on a surface of a dielectric ceramics 1, and a conductor for forming a solde...
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JP2003289219 |
To provide a patch antenna having stable, high bounding strength between a power feeding pin, a radiation electrode, and resinous board.In a dielectric ceramic board 1, a radiation electrode 2 is formed on one face, a grounding conductor...
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JP2003289218 |
To provide a surface-mounted type antenna for improving production efficiency in manufacturing.The surface-mounted type antenna has a base, and a radiation electrode is formed on the surface of the base, and a side-face electrode is form...
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JP2003289202 |
To connect two pieces of high-frequency circuit boards without increasing line losses, while ensuring reliability.A high-frequency device comprises a first circuit board on which a first strip line for transmitting high-frequency signals...
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JP2003283231 |
To manufacture antennas superior in shock resistance.A manufacturing method for an antenna characterized in that the method comprises a lamination process for laminating a core part 3 in which magnetic thin bands 21 are laminated through...
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JP2003283222 |
To provide a method by which a dielectric line can be manufactured efficiently with high reliability and accuracy.After a resist material 22 is formed on a green molded body 23 and through holes 8 and 9 for through conductors are formed ...
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JP3478312 |
PURPOSE: To provide a dielectric resonator capable of easily attaining miniaturization while maintaining a high Q value. CONSTITUTION: This resonator is equipped with a quadrangular prism shape dielectric block 2, an internal conductor 4...
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JP2003283202 |
To provide a waveguide type polarizer/demultiplexer which can be miniaturized, made axially short and can have a broad band, and has excellent performance.Since the distance between upper and lower sidewalls of third and fourth rectangul...
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JP3479324 |
PURPOSE: To manufacture a microwave dielectric porcelain composition maintaining Qu and τf within a practical characteristic range and having high εr. CONSTITUTION: This composition is mainly made of the constituent expressed by the fo...
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JP3475467 |
PURPOSE: To easily manufacture a dielectric resonator device controlling the connection degree of resonators by forming an external conductor at the internal surface of a slit formed in a position between adjacent internal conductors at ...
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JP3473227 |
To provide an electrode trimming method with high performance and excellent in mass-productivity by preventing deterioration in the high frequency characteristic of components and circuits or the like because of high insulating resistanc...
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JP3473893 |
To improve the Q characteristic of a strip line resonator by placing a strip line main conductor layer and a strip line additional conductor layer (reinforced conductor layer) opposite to each other via a dielectric layer and also connec...
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