908 results about "Electromagnetic electron wave" patented technology

The invention discloses a full-carbon coaxial line and a manufacturing method of the full-carbon coaxial line, and belongs to the technical field of integrated circuits. Graphene serves as a monatomic layer thickness, is coiled into a cylinder and form an inner conductor of the coaxial line with a small radius (can be as small as the nm level), and the inner conductor of the coaxial line transfers currents. Meanwhile, a signal layer or multiple layers of graphene serve(s) as an outer conductor of the coaxial line to form a boundary of electromagnetic waves in a space, and graphite oxide serves as medium materials between the inner conductor and the outer conductor to limit and guide oriented transmission of electromagnetic wave energy. The coaxial line is quite small in size and applicable to radio-frequency and microwave integrated circuits.

A plasma processing apparatus is provided that is configured to supply a gas into a chamber, generate a plasma from the gas using a power of an electromagnetic wave, and perform a predetermined plasma process on a substrate that is held by a mounting table. The plasma processing apparatus includes a dielectric window through which the electromagnetic wave that is output from an electromagnetic wave generator is propagated and transmitted into the chamber, a support member that supports the dielectric window, a partition member that separates a space where the support member is arranged from a plasma generation space and includes a protrusion abutting against the dielectric window, and a conductive member that is arranged between the partition member and the dielectric window and is protected from being exposed to the plasma generation space by the protrusion.

A system for relating electromagnetic waves to harmonic sound waves that includes a memory with logic, and a processor configured with the logic to assign one fundamental color of a color spectrum of twelve analogous colors to one of twelve fundamental tones of a musical 5th relationship, wherein the tones are represented by notes, wherein the processor is further configured with the logic to consecutively associate the remaining analogous colors to the tones.

An electromagnetic (EM) survey system for determining the presence of liquid or gaseous deposits within the earth's interior. The system includes an EM pulse generator for generating the EM pulses, a data acquisition system for receiving and processing reflected signals from the earth's interior caused by the EM pulses, and a data processing system for analyzing the reflected signals to determine the presence of fluids in the earth's interior. Delivery of the EM pulses to the earth's interior can be accomplished either invasively or non-invasively. In an invasive manner, the EM pulse is delivered to the earth's interior via a set of electrodes buried shallow into the ground. In a non-invasive coupling, the EM pulse is delivered to the earth's interior via a wire loop. The reflected signals are received from the earth's interior via one of a wire loop, set of electrodes, wire antenna, or rod antenna array.

Geometrical phase optical elements comprising, as a birefringent means, a liquid crystal material with a spatially inhomogeneous orientation of the molecular director in a plane orthogonal to the direction of propagation of an input radiation beam, ordered according to a predetermined geometrical pattern. Also, an optical system for generating helical modes of propagation of an optical radiation beam, including a geometrical phase optical element orientated transversely to the direction of propagation of the beam, whose optical axis is orientated according to a predetermined geometrical relation adapted to transform a circular polarized input radiation beam into a helical mode with a wavefront having a helical surface whose handedness is a function of the handedness of the input polarization, in which the switching between different orders of helicity of the radiation beam emerging from the geometrical phase optical element is carried out by switching the circular polarization state of the input radiation.

A method for acquiring an image or spectrum of a subject or object residing within the magnetic field of a magnetic resonance apparatus, comprises the steps of:executing a predetermined pulse sequence for applying gradient magnetic fields and for coupling in electromagnetic excitation pulses to induce nuclear magnetic resonance within the subject or object;detecting an electromagnetic signal resulting from said magnetic resonance; andconstructing at least one image or magnetic resonance spectrum of said subject or object from said detected electromagnetic signal.According to the invention, said coupling in of the electromagnetic excitation pulse and / or said detecting of the electromagnetic signal are carried out substantially by means of travelling electromagnetic waves.

A display panel module such as a liquid crystal display (LCD) panel module in an electronic apparatus is designed to receive a driving signal of a predetermined frequency. An electrically conductive frame or bezel of the display panel module tends to suffer from the transmission of electromagnetic waves which are related to the wavelength of the driving signal. An electrically conductive member is located behind the display panel and electrically connected to the electrically conductive frame. The electrically conductive member serves to diverge the electromagnetic waves out of the electrically conductive frame. This divergence of the electromagnetic waves serves to suppress the electromagnetic radiation out of the electrically conductive frame.

There is established an easier inspection method with which it is not required to set up probes on wires. Also, there is provided an inspection apparatus using this inspection method. With the inspection apparatus or inspection method, primary coils of an inspection substrate and secondary coils of a device substrate are superimposed on each other so that a certain space is maintained therebetween. An AC signal is inputted into the primary coils, thereby generating an electromotive force in each secondary coil by electromagnetic induction. Then, each circuit provided on the device substrate is driven using the electromotive force and information possessed by an electromagnetic wave or electric field generated in this circuit is monitored, thereby detecting each defective spot.

There is established an easier inspection method with which it is not required to set up probes on wires. Also, there is provided an inspection apparatus using this inspection method. With the inspection apparatus or inspection method, primary coils of an inspection substrate and secondary coils of a device substrate are superimposed on each other so that a certain space is maintained therebetween. An AC signal is inputted into the primary coils, thereby generating an electromotive force in each secondary coil by electromagnetic induction. Then, each circuit provided on the device substrate is driven using the electromotive force and information possessed by an electromagnetic wave or electric field generated in this circuit is monitored, thereby detecting each defective spot.

The invention relates to a hearing aid for correcting hearing impairments, comprising a metal housing which has a battery compartment and a sound exit opening. According to the invention, the housing surrounds the electronics located in the treatment device in such a way as to shield them from electromagnetic waves on all sides and the sound exit opening is sealed by an acoustically permeable, water-tight film. The housing also has an essentially cylindrical shape.

A sample information obtaining apparatus includes an electromagnetic wave generator; a sample holding unit which holds a sample to be tested and serves as a polarizer having a polarization axis which defines how an incident electromagnetic wave is to be divided according to a polarization state of the incident electromagnetic wave; an electromagnetic wave detecting unit which separately detects a transmitted electromagnetic wave transmitted through the sample holding unit and a reflected electromagnetic wave reflected off the sample holding unit, the transmitted and reflected electromagnetic waves being obtained by dividing the incident electromagnetic wave incident on the sample holding unit according to a relative positional relationship between the polarization state of the incident electromagnetic wave and the polarization axis of the sample holding unit; and a processor which processes signals of the electromagnetic waves detected by the electromagnetic wave detecting unit and obtains information about the sample.

A heat treating apparatus, which performs a specified heat treatment on a target object, includes a processing chamber accommodating therein the target object; a mounting table for mounting thereon the target object; a vacuum exhaust system for vacuum evacuating the processing chamber; an electromagnetic wave supply unit for irradiating an electromagnetic wave onto the target object to heat the target object; and a controller for controlling the heat treating apparatus such that the electromagnetic wave is irradiated onto the target object at a high vacuum level at which plasma is not generated. Further, a heat treating method performs a specified heat treatment on a target object, wherein the target object is accommodated in a processing chamber capable of being vacuum evacuated, and the target object is heated by irradiating an electromagnetic wave thereon at a high vacuum level at which plasma is not generated in the processing chamber.

An electromagnetic field simulator for repeatedly calculating a space distribution of an electromagnetic field at a next point in time using a distribution of an electromagnetic field in a 3-dimensional space includes: a unit for calculating a distribution of an electric field and a distribution of an magnetic field on the entire 3-dimensional space; a unit for calculating a distribution of an electric field and a distribution of an magnetic field on a 2-dimensional space on a cut plane obtained by cutting the 3-dimensional space by a plane; a unit for setting an excitation condition of generating an electromagnetic wave by using a calculation result of the 2-dimensional electromagnetic field calculating unit; and a unit for generating an electromagnetic wave by forcibly vibrating a part of the electric field and the magnetic field in the 3-dimensional space on a basis of the excitation condition set.

The invention belongs to the technical field of electromagnetic wave shielding material and relates to a low-silver-loaded electromagnetic wave shielding fabric preparation method, comprising the following specific steps: modifying the surface of polyester fabric, introducing an active group--sulphydryl under the premise of not increasing the surface area of the fabric, and then plating silver with ultrasonic wave; wherein, Ag-S chemical bond is formed between sulphydryl and silver so that the compactness of the silver coating and the adhesion force of the fabric substrate are increased; in the process of chemical plating, fresh plating solution is always on the surface of the fabric and the materials which are absorbed on the surface of the fabric through physical adsorption are removed timely owning to the action of ultrasonic wave so that the continuity and compactness of the silver coating can be improved further; the silver loading content of the prepared silver-loaded electromagnetic wave shielding fabric is 6.7-7.0% by weight; the fabric is more resistant to the corrosion of the air and water, the electromagnetic shielding effectiveness is more than 32dB in the range of 0.01-18GHz, namely the anti-electromagnetic radiation rate is more than 99.9%; the fabric can be widely used in electromagnetic wave antiradiation clothes and in the field of electromagnetic wave shielding for special departments such as military, national defense and the like.

The present invention relates to an optical article which has high surface hardness and absorbs an electromagnetic wave such as a visible light, ultraviolet radiation, infrared radiation, X-rays, β-rays and γ-rays, in particular, a functional optical article represented by a prescription lens, sunglasses, a goggle lens, a shield and an optical filter. The present invention provides an optical article comprising a laminated substance in which a plastic sheet, a resin layer and a backup resin are laminated in this order, wherein the resin layer containing an electromagnetic wave absorbing agent.

Disclosed are a functional material and a functional device, each of which is capable of changing a wavelength of a transmission electromagnetic wave such as transmission light or a transmission sound wave such as a transmission ultrasonic wave through the device on the basis of a signal supplied from external. Each of the functional material and the functional device includes a periodic structure having a periodicity with a unit cycle on the order of a wavelength of an electromagnetic wave or a sound wave, and means for disturbing the periodicity which is inserted in at least one portion of the periodic structure, wherein a wavelength of the electromagnetic wave or sound wave passing through the periodic structure by controlling the means on a signal supplied from external.

A device includes a waveguide layer formed on a substrate. An ultra-small resonant structure emits electromagnetic radiation (EMR) in the waveguide layer. One or more circuits are formed on the waveguide layer and each operatively connected thereto to receive the EMR emitted by the ultra-small resonant structure. The waveguide layer may be transparent at wavelengths corresponding to wavelengths of the EMR emitted by the ultra-small resonant structure. The EMR may be visible light and may encode a data signal such as a clock signal.

A radar level gauging system for determining at least one process variable related to a distance to a surface of a product in a tank comprising transceiver circuitry, processing circuitry, a wave guiding structure arranged guide measurement signals towards the surface, and a radiator connected to the transceiver circuitry and arranged to emit the measurement signal into the wave guiding structure. The system further comprises a mode generator adapted to convert electromagnetic waves emitted from the radiator from a first propagation mode to a second propagation mode, wherein the mode generator includes a lens in the form of a body transparent to electromagnetic waves in the operating frequency range.With this design, electromagnetic waves having the first propagation mode emitted by the radiator into the lens will be reflected at least twice within the lens (first in the bottom surface and then in the upper surface). At the second reflection (in the upper surface of the lens), the propagation mode will be changed, and the electromagnetic waves exiting the lens will have the second propagation mode.

The invention relates mainly to a particle comprising at least one biopolymer which is degradable under the effect of an electromagnetic wavelength, notably the wavelength of which is in the spectrum of the wavelengths emitted by the sun, this biopolymer comprising nucleosides. The invention also relates to compositions containing such particles with the aim of delivering an active principle. These particles can be used mainly in cosmetics, in dermatology, in pharmacy, in agri-food or en agro-industrials.

The invention belongs to the technical field of electromagnetic wave polarization detection, and particularly discloses an efficient microwave polarization detection device based on a photonic spin Hall effect. For the detection device, electromagnetic wave to be detected is decomposed into left-hand circularly polarized beam and right-hand circularly polarized beam through the efficient photonic spin Hall effect, the module values and phases of the left-hand circularly polarized beam and right-hand circularly polarized beam are respectively measured, and backstepping is carried out to obtain the polarization of the electromagnetic wave to be detected. The photonic spin Hall effect is realized through linear geometry Berry phase gradient of total-reflection type meta-surface with a spin structure. Compared with the traditional polarization detection manner (linear polarization loudspeakers opposite to each other are used for directly measuring x component and y component of electromagnetic wave), the efficient microwave polarization detection device has the advantages that higher convenience and quickness are achieved, the errors are few, and the stability is better. The operating frequency of the device is 10-14GHz, and the structure constants of meta-atoms are scaled in equal proportion or redesigned, so that the operating frequency can be applied to other operating frequency ranges.

A window allows the introduction of radiation energy into an annular processing chamber filled with a material to be processed. The chamber is formed from coaxial cylinder members rapidly rotating relative to one another. The chamber can be thin enough so that it is short compared to the penetration depth of the radiation through the material, providing even exposure of the material to the radiation. Also, eddies created in the material by the relative rotation enhances the even exposure. When the material inside the annular processing chamber is opaque, resulting in an insignificant penetration depth, the eddies still insure that the material is evenly exposed to the irradiation.

A method for wireless energy transfer includes forming a plurality of energy beams. Each energy beam includes one or more electromagnetic (EM) waves having a same fundamental frequency as another EM wave of another one of the energy beams. A device response of an energizable device to the plurality of energy beams incident thereon is tracked. The one or more EM waves for each of the plurality of energy beams is directed to power the energizable device. A respective phase of the one or more EM waves for at least one of the energy beams is aligned to another phase of another EM wave of another one of the energy beams. A received power level received by the energizable device is maximized according to the device response by optimizing for at least one of the energy beams, the directing, and the aligning of the phase, of the one or more EM waves.

The invention relates to a metamaterial polarization transformer which comprises a base material and a plurality of artificial micro structures being arranged on the base material and having anisotropic electromagnetic characteristics, wherein the artificial micro structures are uniformly arranged on one or more planes vertical to an entering direction of electromagnetic waves, refractive indexesinside the metamaterial polarization transformer are uniformly distributed, an electric field vector of the entering electromagnetic waves is decomposed into two non-zero quadrature components on oneor more planes, the two quadrature components are respectively parallel or vertical to an optical axis of positions where the micro structures are in, and after the electromagnetic waves penetrate through the metamaterial polarization transformer, the two quadrature components have a phase difference delta theta different from a phase before entering. The metamaterial polarization transformer hasa simple structure, and can easily realize polarization transformation of the electromagnetic waves.

A plasma display panel (PDP) includes an EMI filter at a front portion thereof for blocking / shielding substantial amounts of electromagnetic waves. The filters has high visible transmission, and is capable of blocking / shielding electromagnetic waves. In certain example embodiments, a silver based coating of the EMI filter reduces damage from EMI radiation through highly conductive Ag layers, blocks significant amounts of NIR and IR radiation from outdoor sunlight to reduce PDP panel temperature, and enhances contrast ratio through reduced reflection, while maintaining high visible transmission. In certain example embodiments, at least one layer of or including silicon nitride may be Si-rich, and / or at least one layer including an oxide of Ni and / or Cr may be a suboxide, in order to improve heat treatability of the coated article.

The present invention relates to a structure having a characteristic of conducting or absorbing electromagnetic waves, which comprises a substrate; a powder material convex structure section having a characteristic of conducting or absorbing electromagnetic waves disposed on a surface of the substrate, the powder material convex structure section containing a powder material having a characteristic of conducting or absorbing electromagnetic waves and being formed so as to have a convex structure; and a holding part disposed on a surface of the substrate, the holding part holding the convex structure of the powder material convex structure section having a characteristic of conducting or absorbing electromagnetic waves. The structure of the invention has the characteristic of conducting or absorbing electromagnetic waves at an excellent level and can be produced easily and inexpensively.

A display apparatus includes a substrate having a metal layer, a plurality of scanning signal lines and a plurality of data signal lines which intersect with each other and are disposed on the substrate, a display device which has a display element located at an intersecting position of the scanning and data signal lines and is driven by a voltage signal supplied to the scanning and data signal lines, a plurality of coils disposed in parallel with each other on the substrate, and a circuit for detecting currents passing through the plurality of coils by the action of electromagnetic induction of an electromagnetic wave locally generated at a surface of the display device to determine a generation position of the electromagnetic wave by a position of the coils through which the currents pass. The metal layer as a substrate material is a thin electroconductive metal plate which is flexible and not readily broken.

A measuring method and apparatus in which a measurable object (23) is irradiated with acoustic waves to measure a change in property value of charged particles in the object from electromagnetic waves induced thereby. A part (2) of the measurable object irradiated with an acoustic focused beam (1) is in a charge distribution state in which positive charged particles (3) are greater in number in the part (2) where electromagnetic waves induced by positive charged particles (3) are not canceled by those induced by negative charged particles (4) and where net electromagnetic waves (6) are induced. Since a change in concentration of positive charged particles (3) and / or negative charged particles (4) changes the intensity of electromagnetic waves (6), it is possible to know such a change in concentration of the charged particles from a change in intensity of electromagnetic waves (6).