Structure and making method of the coil inductance

Abstract: the structure and making method of inductance coil, the method isthe induction coil winding in order to rod core surface, induction coil form inversion in the appropriate location, connecting the appropriate resistance in the inversion and the induction coil end is parallel, in order to make the outputsignal impedance matching balance, then the wound with the ring the core of the enameled wire with enameled wire winding is arranged in the induction coil,the annular magnetic core is located between the end of the induction coil andresistance reversal at missed design, with the help of the toroidal core on the resonance wave filter in the induction coil, with increase of carrier wave signal bandwidth effect, achieve the isolation effect of AC signal power of the RFsignal interference the.

Multilayer open hollow inductance coil

Abstract: a multilayer open hollow inductance coil, spiral wound into N equal to or more than 3 layers, each layer between the parallel connection, spiral wound in coils from the inside to the outside is larger than 1/2 or equal to 1/2layer between the two wires pad insulating tape, supported by a cushion blockbetween and the guide of equidistant circular at the wire, pad block the connection between embedded with ventilation will layer and layer, on the circle line between the internal layer by strengthening the support cushionblock stays, support bar is fixed, the outer layer of the inner, ventilation stripend pads into the hanger through the coil, by insulating screw axial pressedinto a whole. The inductance coil current can be made according to differentlayers, the axial fixing structure has the advantages of simple and firmperformance, low eddy current loss and good heat dissipation, stable insulation performance.

Method for cooling of the coil inductance

Abstract: the present invention relates to a vacuum processing chamber in onan embedded inductor, methods such as ionising coil cooling. The coil 10 can include a winding hollow pipe 11, when using a pump 13 pump, a coolant can wear through the hollow tube flow. Setting a valve 16, so that air can be in a certain direction passes through the hollow pipe, and the flow direction is controlled by a controller 20, the controller 20 to 16 operated valve.Conversion of 16 to valve frequency can be determined by a process operating conditions or through the coolant on the downstream and / or coiltemperature monitor.

Differential spring inductance coil and its construction method

Abstract: the present invention discloses a kind of differential spring inductance coil and its construction method, is characterized by two,inductance coil coil spring included medium the core (1), (2), a coil fixing seat,constitute the senses the measured physical quantity activity body, one end of the two spring coil inductance coil, fixed on the fixing seat on the other end,fixed on the movable body, and in the measured physical quantity effect, a spring coil inductance length elongation, decrease of inductance, the other a spring coil inductance length shortens, inductance increases. The invention is used for making differential spring inductance sensor.

Semiconductor device having inductor

Abstract: a semiconductor device, including: first chip with inductance coil,overlap, and the first chip with second chip conductive layer, and is arranged on the first and 2 between the chip and magnetic shielding layer.

For the inductance coil current detection

Abstract: the invention discloses a method for detecting the current of theinductance coil, inductance coil with metal wire wound into a spiral coil, thespiral coil on both sides of the extension part bent into horizontal is placed in the magnetic powder filled in the interior, to press forming mould of the spiralcoil coated completely make it not with air gap the ends of the coil, thatextends out of the horizontal portion of the mold has become electrode, then the electrode portions along the coil coating surface which is bent; the metal wire is used by the inductance coil for nickel copper alloy or Cu alloy material,with electric resistance temperature (TCR degrees) smaller properties, whenthe current through increases, the DC resistance is not easy to be affected by temperature, in addition to this type of material which has a number ofrelatively stable impedance, can make the product get DC resistance is more precise than the copper metal wire value (DCR).

A planar microstrip inductor and manufacturing method thereof

Abstract: the present invention relates to a planar microstrip inductor and its making method, the purpose is to provide a small occupied area, low manufacturing cost, the inductance of planar microstrip inductor and method for making accurate. A kind of microstrip planar inductor, which comprises a printed circuit board and deposited copper strip, the microstrip planarinductance coil for deposited copper strip around into a number of circularplanar spiral line shape is attached to the printed circuit board. The method includes: the characteristic impedance of microstrip line need to value Z0,select the PCB board, to determine the dielectric constant of R, calculate thestripline phase velocities of VP and wavelength lambda; determine the benchmark spiral deposited copper coils in the computer, PCB plate and etching on the real measurement, characteristic impedance and the sense ofvalue; from the characteristic impedance to push down and get the accuratecorrection, sense of value and characteristic impedance of benchmarkcalculation formula, according to the formula to calculate the deposited copper strip width W and wavelength lambda; spiral microstrip coil cloth to the selectedPCB board, etching out.

Inductance coil inductor and the

Abstract: an inductor, comprising an inductance coil, an iron core and a coreseat, the inductance coil is composed of a long strip of ribbon flat conductoroverlap winding at least one circle and its center, and left with a through hole for inserting the iron core, the iron core is inserted into the through hole of theinductance coil inside, the inductance coil is arranged in the core seat through the internal of the iron core, two ends of the inductance coil is extended from the core to the external circuit connection seat. The present inventioninductors