31 results about "Spin effect" patented technology

The invention provides an inertia and magnetic field integration measuring method based on an SERF (spin-exchange-relaxation-free) atomic spin effect. The inertia and magnetic field integration measuring method based on the SERF atomic spin effect comprises the following steps: firstly establishing an overall model for the inertia and magnetic field integration measurement; secondly, manufacturing a measurement sensing unit, and carrying out high-frequency alternating current non-magnetic electric heating; starting a driving laser (z-axis) for carrying out optical pumping on the sensing unit; and emitting a detection laser (x-axis) in a direction vertical to the z-axis; thirdly, carrying out driving magnetic compensation through a three-dimensional magnetic compensation coil so as to counteract a magnetic field of the outside world; fourthly, carrying out azimuth alignment on a main magnetic field and the driving laser and hyperpolarization nucleon self-spin so as to realize the nuclear spin-electron spin strong coupling; fifthly, extracting the information of the atomic spin precession movement in the detection laser by adopting a closed-loop faraday modulation detection method, and obtaining inertia angular speed information; and finally, obtaining the current value of a compensation signal of the magnetic field, and calculating to obtain the information of the current magnetic field. The inertia and magnetic field integration measuring method based on the SERF atomic spin effect has the characteristics of high measurement accuracy and strong autonomy.

Production method of nanofibres from the polymeric solution through electrostatic spinning in electric field created by a difference of potentials between the collecting electrode (4) and pivoted spinning electrode (1) of an oblong shape touching by a part of its circuit the polymeric solution (3), while by rotation of the spinning electrode (1) the polymeric solution (3), at least by a portion of its surface, is carried out into the electric field in which on the surface of the collecting electrode (4) the nanofibres are created which are carried to the collecting electrode (4) and deposited on the surface of a basic material (5) guided between the spinning electrode (1) and the collecting electrode (4) in vicinity of the collecting electrode (4). The polymeric solution (3), on surface of the spinning electrode (1) in a place of intersection of surface of the spinning electrode (1) with the plane interlaid by the axis of the spinning electrode (1) and being perpendicular to the plane of the base material (5), along the whole length of the spinning electrode (1), is subject to the electric field of a maximum and equal intensity, through which a high and even spinning effect is achieved along the whole length of the spinning electrode (1). The invention also relates to the device for production of nanofibres from polymeric solution through electrostatic spinning.

The invention relates to a fullerene molecular gyroscope which is characterized in that: atoms or molecules are embedded in the fullerene, so as to prevent spin collision exchange relaxation and spin collision damage. The micro-crystallizing standard solid molding is adopted, so that the fullerene molecules are arrayed according to a certain structure and the sensitive atomic density is increased. An optical and microwave method is adopted for controlling and detecting the atomic energy level, so that the detection for a dead axle and an inertia signal of the atoms or molecules in an inertia space is realized. The fullerene molecular gyroscope has the advantages of high sensitivity and excellent heat stability and has an important value for developing a new generation solid gyroscope based on an atomic spin effect and with high precision, high stability and small volume.

The invention relates to an atomic spin procession detecting method and an atomic spin precession detecting device based on electro-optic modulation. Alkali metal atoms in a spin-exchange relaxation free state are used for sensing an external magnetic field or angular rate, thereby generating atomic spin Larmor precession. An electro-optic modulator is used for performing electro-optic modulation on detected laser. Through output light strength detection by the electro-optic modulator and demodulation of a phase-locked amplifier, output light strength and frequency doubling signal strength are obtained. Finally a signal acquisition and processing circuit measures an atomic spin precession signal, and furthermore measurement to the external magnetic field or inertia can be realized. According to the atomic spin procession detecting method and the atomic spin procession detecting device, advantages such as simple modulation, small size, high sensitivity, low temperature effect and simple operation condition in the electro-optic modulator are exerted. The atomic spin procession detecting method and the atomic spin procession detecting device have relatively high sensitivity and relatively high stability. The novel atomic spin procession detecting method is based on an atomic spin effect and can be used for industrial integration and practical application of atomic spin sensing devices in future.

The invention discloses a polyphenylene sulfide short fiber spinning oil and a preparation method thereof. The polyphenylene sulfide short fiber spinning oil comprises the following compound raw materials by weight percentage: 25-50 percent of antistat, 15-25 percent of smoothing agent, 18-35 percent of saturant, 5-20 percent of emulsifier and 2-8 percent of modifier. According to the weight percentage of each raw material component, the accurately metered antistat, smoothing agent, saturant, and emulsifier are pumped into a reaction pot, heated to 50-80 DEG C, and uniformly mixed; the modifier is pumped into the reaction pot, agitated for 1-3 h, cooled, filtered, unloaded and packaged. The polyphenylene sulfide short fiber spinning oil has good anti-static electricity performance, smoothness, saturation and the like, is uniform and stable in oil loading, can ensure smooth operation of spinning production and postprocessing working procedure, and satisfies production requirements on spinning effect and the mechanical performance of the fiber.

The invention discloses a nonlinear polarization rotation effect based all-optical adding and subtracting device. The all-optical adding and subtracting device comprises a set of input polarization controllers, a set of optical attenuators, a light-combining device, a nonlinear polarization rotation device, a light splitting device, a set of polarization controllers and a set of polarized beam splitters. The device adopts a principle as follows: after data light and non-modulated light are simultaneously injected into a nonlinear optical fiber or a nonlinear waveguide, an optical power change is introduced into a nonlinear relative phase shift, thereby resulting in the rotation of polarization states of optical signals. At the output end of the nonlinear optical fiber or waveguide, the orthogonal polarization states of multiple wavelength signals are simultaneously filtered by the light splitting device and the polarized beam splitters, so that various basic combinational logics are completed, and an all-optical half adder, a half-subtracter, a full adder and a full subtracter are realized. According to the invention, the logic operation of signals is directly completed in an optical domain, so that an electronic bottleneck is broken through, and a Tb/s-magnitude all-optical adding and subtracting operation can be realized, and therefore, the device disclosed by the invention can be applied to the fields of light-speed optical signal processing and light-speed optical switching networks and the like.

The invention discloses a machine vision detection system for bunchy yarn shape parameters. The system is applied to a method for detecting the quality of slubby yarn in a textile industry. The detection system mainly comprises slubby yarn image acquisition equipment and slubby yarn image processing equipment and a slubby yarn image structure and a slubby yarn image processing algorithm. Due to the adoption of the detection system, a statistical series of slub length, slub space, slub multiplying power and slub cycle can be obtained; the slubby yarn prepared by spinning according to the parameters can have the same vision effect as that of given slubby yarn; and the efficiency and production reliability can be greatly improved and the parameters and spinning effect of the slubby yarn can be visually displayed during the design process of processing materials provided by clients, the spinning process of the slubby yarn, and the quality detection process of the slubby yarn.

The invention discloses a multichannel gradient magnetic field measuring device based on an atomic spin effect. The technical problem to be solved is to overcome the defects of poor flexibility, lowsensitivity, difficulty in miniaturization and the like of the existing magnetic gradient measurement technology; based on the atomic spin effect, space magnetic field measurement can be achieved through a single detection light beam, meanwhile, multiple paths of parallel detection light beams are arranged in the device, magnetic fields at multiple positions in space can be detected at the same time, gradient difference is conducted through the magnetic fields at different positions, and space gradient magnetic field measurement is achieved.

The invention belongs to the technical field of semiconductors and discloses a room-temperature transparent ferromagnetic semiconductor material and a preparation method thereof. The room-temperature transparent ferromagnetic semiconductor material is prepared through a technical scheme of preparing novel ferromagnetic semiconductor materials by adding semiconductor functional elements on the basis of amorphous materials with built-in room-temperature magnetism. In an embodiment, the room-temperature transparent ferromagnetic semiconductor material is prepared through magnetron sputtering, the components of the obtained semiconductor materials are Cox(BaFebTac)yO100-x-y, wherein the x and the y are atomic percentages, and the value ranges are that 10<=x<=40, 19<=y<=55, a>b>c and cy>=3. The room-temperature transparent ferromagnetic semiconductor material is a direct band-gap semiconductor with an optical band gap of -3.6 eV and a Curie temperature higher than the room temperature and integrates optical, electrical and magnetic characters; the preparation process is simple; the room-temperature transparent ferromagnetic semiconductor material is an outstanding alternative material applicable to magneto-optical, photoelectric and room-temperature controllable electronic self-spinning devices such as self-spinning effect transistors and self-spinning light emitting diodes.

The present invention relates to a system of rotating platforms for household appliances adaptable to various types of enclosures. The system allows easy access and manipulation without any obstruction to all the objects stored in the enclosure, due to a spin effect of the plates or platforms achieved by a radial impulse applied at its periphery by a drive power source supplemented with an arrangement of removable static shelves by means which are connected with mounting mechanisms present in the walls of the recite, in such a position that manages to take advantage of the internal space of the enclosure that is not occupied by the cylindrical volume of the platform system and functions as a passive mechanism of security, support and balance for the objects stored in the enclosure and that are supported by the platform.

The invention discloses a substrate of an anti-CAF (Conductive Anodic Filament) printed circuit board and a manufacturing method thereof; the substrate comprises a prepreg and metal layers, wherein the metal layers cover on upper and lower positions of the prepreg; the prepreg is the fragmented prepreg; and the manufacturing method for the substrate of the anti-CAF printed circuit board comprises the following steps: step 1, manufacturing the prepreg; step 2, crushing the prepreg; and step 3, manufacturing the substrate. According to the substrate of the anti-CAF printed circuit board and the manufacturing method thereof disclosed by the invention, by adopting a treatment manner of crushing the prepreg, the spinning effect influence of warp and weft yarns in glass fiber cloth can be reduced, so that the dimension swelling and contracting of a base material can be more uniform, and the opportunity for glass fiber diffusion coating is reduced.

The invention discloses a spinning-effect microelectronics integrated test bed. The testing bed comprises a sample bed located in a steady-state magnetic field and rotating around a horizontal shaft;the sample table comprises a measurement unit for measuring a sample electric signal, a microwave unit for forming a microwave field for exciting the sample to produce spinning current, and a heatingunit for establishing temperature gradient on a direction vertical to a sample plane. The test table disclosed by the invention is free from preparing the sample again, multiple spinning-effect related parameters in the same sample are repeatedly measured, the measurement time is saved, and the DC current, the microwave and the temperature gradient can be applied to the sample at the same time, thereby measuring the mutual coupling effect among multiple parameters.

The present invention is a super conductor electromagnetic transmitter device. This superconductor takes x amount of electro-magnetic energy waves and concentrates them by expulsion into an extremely powerful non-dissipating enhanced Faraday rotated directional output. This expulsion field, since it surrounds a central point in space because of the inner surface of a tube, is concentrated energy in a small space. Thus, it is impulsive and also induces ultra-Faraday rotation effect. In example, instead of Faraday rotation speed of energy wave rotation, the rotation field is much, much faster because of the superconductive Meissner field.

The invention provides the electrostatic spinning method of free liquid-surface multi-nozzle arrangement. There are more than three nozzles. Each free liquid-surface nozzle is placed below a receivingdevice. A free liquid-surface nozzle arrangement mode is formed based on three-nozzle arrangement. The three nozzles are arranged to form one basis unit. The formation of the basis unit is determined. One nozzle is added subsequently and is arranged in the mode of forming the basis unit with the arranged nozzles. And then, through an electric field, the critical voltage value of each free liquid-surface nozzle is simulated and calculated. A critical voltage is independently loaded on each free liquid-surface nozzle so that the free liquid surface of each free liquid-surface nozzle is completely excited to emit a plurality of jet flows, and the jet flows are drawn into a long and thin shape so as to form nanometer fibers which are received by receiving device base cloth. The multi-nozzle arrangement is adopted to carry out electrostatic spinning, production efficiency is greatly increased, and simultaneously, a wire output state is stable, a spinning effect is good, and the method canbe used for batch electrostatic spinning.