Abstract: Disclosed is an electromagnetic interference suppressing hybrid sheet including an electromagnetic wave absorbing layer including ferrite particles, which is laminated on one side of an electromagnetic wave shielding layer including an electro-conductive material, thereby protecting an electronic device from an electromagnetic wave generated from inside and/or outside of the electronic device.

Abstract: An electromagnetic radiation absorber is made up of a composite of base material and filler. The base material is formed of high permittivity dielectric material and formed in a cubic shape. The filler is formed of high magnetic permeability material and fills in long holes formed inside the base material in three directions. In the composite, the high permittivity dielectric material and the high magnetic permeability material are arranged in a three-dimensionally continuous manner. Accordingly, a thinned and light-weighted electromagnetic radiation absorber and a method for absorbing electromagnetic radiation are provided which have a high electromagnetic radiation absorbing property with respect to electromagnetic radiation of wide band including electromagnetic radiation of low frequency.

Abstract: A magnetic shield structure having openings, the structure comprising a plurality of similar magnetic blind bodies 2, each blind body 2 having an imaginary blind core plane F and a plurality of magnetic material slats 1 being spaced from each other by a distance d required for magnetic shielding, each slat 1 intersecting the blind core plane F at a longitudinal central axis C thereof, the longitudinal central axes of the slats are oriented substantially in parallel to each other on the blind core plane F. The blind bodies 2a, 2b are coupled in a row by serially coupling each slat 1 in each blind body 2a to a corresponding slat 1 of adjacent blind body 2b through overlapping or abutting of slat terminal portions, whereby the blind core planes Fa, Fb of the blind bodies 2a, 2b are so coupled as to define a successive magnetic shield plane, and spaces d between adjacent slats 1 in each blind body 2a, 2b form openings in the magnetic shield structure.

Abstract: A shielding device configured to provide EMI and ESD protection includes an anti-ESD layer, a conductive layer, and an EMI blocking layer attached to each other in sequence. In addition, a supporting layer can be optionally attached to the EMI blocking layer to increase the strength of the shielding device.

Abstract: The present invention provides a magnetic composite capable of enhancing the effect of shielding against electromagnetic noise and the like (magnetic shielding effect) while inhibiting a possible eddy current, and a method for producing the magnetic composite, and a shielding structure comprising the magnetic composite. A shielding member 10 as a magnetic composite contains a resin 12 which is an insulator and serves as a matrix material and into which fine powders of an amorphous metal magnetic substance 10a containing Fe, Si, and B are mixed. In the shielding member 10, a plurality of the amorphous metal magnetic substances 10a are contained in the resin 12 at a volume fraction less than a percolation threshold. The type of the amorphous metal magnetic substance 10a is not particularly limited provided that the amorphous metal contains Fe, Si, and B.

Abstract: Disclosed are ferroelectric and ferromagnetic noise isolation structures that reduce electromagnetic interference and noise in integrated circuit devices and system architectures. Representative structures comprise two or more devices that are vertically disposed relative to one another, and a thin ferroelectric or ferromagnetic film layer disposed between the respective devices that isolates electromagnetic energy coupling from one device to another.

Abstract: A high thermal conduction insulator exhibiting thermal conductivity, insulating properties and heat radiating properties is produced by supplying a molding material composed of an insulating resin, a diamagnetic material powder and a paramagnetic material (inclusive of ferromagnetic material) powder, and exhibiting fluidity into a mold, and applying a magnetic field to the molding material in the mold to orient clusters, each being composed of diamagnetic material particles of the diamagnetic material powder, which are joined together like a chain, along directions of lines of a magnetic force, and draw the paramagnetic material (inclusive of ferromagnetic material) powder with the magnetic force along one of mold surfaces of the mold, thereby forming a heat radiating layer. Heat transmitted from a facing member to one surface of the insulator is speedily transmitted to the other surface thereof via the clusters, and is effectively radiated from the heat radiating layer existing in the other surface.

Abstract: A magnetic shield panel includes a magnetic shield member made of magnetic material; and a metallic plate or a translucent plate member, wherein the magnetic shield member is attached to the metallic plate or the translucent plate member.

Abstract: An electromagnetic-wave suppressing radiator sheet includes a heat conductive sheet and at least one magnetic layer in the heat conductive sheet. The magnetic layer includes a plurality of plate-shaped magnetic bodies.

Abstract: There are provided a soft magnetic material in the form of particles for suppressing occurrence of electromagnetic interference which is capable of exhibiting the suppressing effect in a broad frequency range from a low frequency band to a high frequency band, as well as an electromagnetic interference suppressing sheet using the material. When a conductive magnetic filler prepared by mixing a conductive carbon with soft magnetic particles at a volume ratio of 3 to 10:50 to 70 is highly filled in a sheet material, there can be obtained an electromagnetic interference suppressing sheet which is suitable for high-density mounting to electronic equipments, has an excellent electromagnetic absorption in a near electromagnetic field, and is fully suppressed from undergoing electromagnetic reflection thereon.

Abstract: A magnetic shielding door (10) opens and closes a gate (16) of a magnetic shielding room. Magnetic members (15) made of a magnetic material are aligned at intervals on walls of the magnetic shielding room. Magnetic shielding forming members (27) are disposed to correspond to the respective magnetic members (15) and are made of a magnetic body that forms a magnetic shielding in corporation with the magnetic members (15). A movable mechanism (28) moves the magnetic shielding forming members (27) at the door closing position at which the gate (16) is closed. The movable mechanism (28) moves the magnetic shielding forming members (27) between a join position at which the magnetic members (15) and the corresponding magnetic shielding forming members (27) are joined to each other and a spaced-apart position at which the magnetic members (15) and the corresponding magnetic shielding forming members (27) are spaced apart.

Abstract: There is provided a radiation shield device for providing radiation protection to an area, such as a manned vehicle. The radiation shield device comprises a magnetic field generator, such as a solenoid, of superconductive material that provides a magnetic field around the area to shield the area from radiation. The magnetic field generator preferably comprises at least one trapezoidal portion to provide substantially isotropic protection to the area. A thermal control system, comprising a limited amount of coolant or a refrigeration cycle, is included to control a temperature of the superconductive material during operation of the magnetic field generator. A magnetic shield device may also be provided between the magnetic field generator and the area to be shielded from radiation to substantially shield the area from the magnetic field generated by the magnetic field generator.

Abstract: There is provided a radiation shield device for providing radiation protection to an area, such as a manned vehicle. The radiation shield device comprises a magnetic field generator, such as a solenoid, of superconductive material that provides a magnetic field around the area to shield the area from radiation. The solenoid preferably defines an axial length that is substantially smaller than a diameter of the solenoid. A thermal control system, comprising a limited amount of coolant or a refrigeration cycle, is included to control a temperature of the superconductive material during operation of the magnetic field generator. A magnetic shield device is also provided between the magnetic field generator and the area to be shielded from radiation to substantially shield the area from the magnetic field generated by the magnetic field generator.

Abstract: In combination with a alternating-current-carrying electric power cables and a guide holding the cable. The guide is constructed such that electrical or magnetic radiation emitted by the cable can pass through the guide, an electrosmog shield has a channel formed of a material capable of blocking low-frequency electrical and magnetic radiation and dimensioned to fit with the conduit.

Abstract: A shielding device configured to provide EMI or ESD protection to an electronic component (80) comprises a cover (83), and a wall (10) of a resilient material. By molding the resilient material under the influence of a magnetic field provided by a number of separate magnets, a dispersed plurality of magnetically attractable particles in the material are concentrated in strings (11) extending between a lower (12) and upper (13) end of the wall. The cover is attached to connect to the strings affixed in the solidified wall at the upper end of the wall, and at the lower end of the wall the strings are placed in contact with a ground trace (82) formed around the component to be shielded, thereby forming a Faraday cage about the component.

Abstract: Provided herewith a cable (1, 2) with EMI suppressing arrangement which comprises a conductive wire (10) and an insulative layer (20) enveloping over the wire. A braided metal layer (30) envelops over the insulative layer, and a magnetic layer (40, 501) is arranged thereover. And an insulative jacket (50, 502) envelops over the magnetic layer.

Abstract: The invention relates to a wall element for a magnetically shielded room and to a magnetically shielded room. The wall element comprises at least one first layer (1) which is formed of metal plate having a high electrical conductivity, and at least two layers, a second layer (2) and a third layer (3), which consist of metal plates having a high magnetic permeability. The layers (1, 2, 3) are superimposed one on top of another in surface contact with each other without any separating air gaps, so that each first layer (1) having a high electrical conductivity lies between each second (2) and third layers (3) having a high permeability substantially in surface contact with the second and third layers, the layers together forming a compact structure in which the product (?×?) of electrical conductivity (?) and permeability (?) is maximized so as to minimize the penetration depth of magnetic interference.

Abstract: An insulating magnetic metal particle includes a magnetic metal particle containing at least one metal selected from the group consisting of Co, Fe, and Ni and having a diameter of 5 to 500 nm, a first inorganic insulating layer made of an oxide that covers the surface of the magnetic metal particle, and a second inorganic insulating layer made of an oxide that produces a eutectic crystal by reacting together with the first inorganic insulating layer at the time of heating them, the second inorganic insulating layer being coated on the first inorganic insulating layer. A thickness ratio of the second inorganic insulating layer with respect to the first inorganic insulating layer is set so that the first inorganic insulating layer remains on the surface of the magnetic metal particle after producing the eutectic crystal.

Abstract: Application of a thermally and/or electrically conductive compound to fill a thermal and/or EMI shielding gap between a first and a second surface. A supply of a fluent, form-stable compound is provided as an admixture of a cured polymer gel component, and a particulate filler component. An of the compound is dispensed from a nozzle or other orifice under an applied pressure onto one of the surfaces which, when opposed, form the gap, or into the gap formed between the surfaces. The gap is at least partially filled by at least a portion of the dispensed compound.

Abstract: The invention provides a magnetically shielded container (1) having disposed in parallel opposed position on an axis (S) thereof magnetic field homogenizing pole shoes (10.1, 10.2), having disposed about said pole shoes a magnetically shielded yoke (2), said pole shoes and yoke enclosing a magnetic chamber (26), said container further comprising magnetic field sources (2.4, 2.5) disposed about and radially distanced from said axis whereby there exists within said chamber substantially homogenous magnetic field Bo oriented in the direction of said axis and whereby there is a usable volume within said chamber where the ratio of the magnetic field gradient in the direction transverse to said axis to said magnetic field Bo has a value of no more than 1.5×10?3/cm. By virtue of the very low ratio of weight to volume that is achievable with this construction, the containers according to the invention are economical to produce and especially suited to transporting polarized gasses.

Abstract: Lossy materials can be used to suppress EMI transmission. Disclosed are methods for applying lossy materials to EMI shielded enclosures to improve EMI shielding effectiveness and the EMI shielded enclosures so produced. In some embodiments, the EMI shielded enclosure includes a printed-circuit board mountable device. In one embodiment, lossy material can be applied to the interior of an EMI shielded enclosure using an adhesive. In another embodiment, lossy materials can be applied to the exterior of the EMI enclosure to suppress EMI incident upon the EMI shielded enclosure, thereby reducing the susceptibility of electronics contained within the EMI shielded enclosure. In yet another embodiment, lossy materials can be applied to both the interior and exterior of the EMI enclosure.