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Patent Searching and Data


Matches 801 - 850 out of 2,735

Document Document Title
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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: ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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. ...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
JP2003264405
To provide a transmission line with less leakage of an electromagnetic field and to provide electronic components or electronic equipment with satisfactory high frequency characteristics using the transmission line.The transmission line ...  
JP3472495
To obtain a radial combination single pole N-throw microstrip switch suppressing an insertion loss at millimeter wave frequency. A microstrip switch 60 includes N-number of input switch arms 62-72 and one output port 74 formed at a micro...  
JP2003257206
To provide an outside air shut-off device of an electrodeless illumination apparatus which prevents entering of a foreign matter in the light-emitting space and damaging of the mesh screen, by sealing so that the outside air may not ente...  
JP3467840
PURPOSE: To obtain a reversible circuit element which can be miniaturized regardless of the sizes of the values of matching capacitance. CONSTITUTION: A circulator 1 has a multilayer substrate 3 for forming a center electrode 16a and cap...  

Matches 801 - 850 out of 2,735