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| Number | Title | Issue Date |
| 7897882 | Electromagnetic interference and radio frequency absorbing material and process for forming the same An EMI/RF absorbing film may comprise a polymer resin, and metallic flakes dispersed in the resin. A method for manufacturing an EMI/RF absorbing material. The method may include dispersing metallic flake in the polymer resin, applying the polymer resin and disperse... | 03/01/2011 |
| 7390976 | Providing airflow to an electronics enclosure while providing protection and shielding against electromagnetic interference Methods and apparatus for shielding an object from relative high electromagnetic radio frequencies while allowing airflow to pass to and from the object are disclosed. According to one aspect of the present invention, a shield arrangement that shields a chassis incl... | 06/24/2008 |
| 7366554 | Reduction of near field E-M scattering using high impedance coating materials The present invention selectively uses a high-impedance layer to reduce the effects of E-M scattering at metallic discontinuities. The high-impedance layer can be fabricated using a combination of metallic and resistive materials that are typically used in electro-s... | 04/29/2008 |
| 7294007 | Electronics enclosure and method of fabricating an electronics enclosure A device for enclosing electronics and providing an electrical connection to the enclosed electronics is provided. The device includes a housing having alignment and barrier features, and a circuit board having alignment features and plated through-holes. The circui... | 11/13/2007 |
| 7277300 | Vent grid and electronic apparatus employing the same A vent grid has parallel first electrically-conductive members and parallel second electrically-conductive members intersecting with the first electrically-conductive members. The intersection between the first and second electrically-conductive members is forced to... | 10/02/2007 |
| 7248264 | Edge connector for field changeable graphics system One embodiment of an edge connector for a field changeable graphics system includes a right angle edge connector having a plurality of contact pins adapted to engage contacts on a graphics card. The edge connector is adapted to interface the graphics card with the m... | 07/24/2007 |
| 7239261 | Electromagnetic wave absorption material and an associated device The purpose of the present invention is to provide an easy-to-manufacture electromagnetic wave absorption material usable from submillimeter wave region to millimeter wave region with an excellent radio wave absorbing performance and a variety of usage thereof. ... | 07/03/2007 |
| 7238306 | Conformal tribocharge-reducing coating Tribocharging-reducing conformal coating are provided for a flexible circuit, which reduce tribocharge voltage of a coated flexible circuit to less than about 15V, preferably less than about 10 V. Coating formulations include at least about 1% of a polypyrrole. Flex... | 07/03/2007 |
| 7129422 | EMI absorbing shielding for a printed circuit board The present invention provides printed circuit boards, EMI shields, and methods that provide an EMI absorbing material and an EMI reflecting material. In one embodiment, the EMI shield comprises a shield body and an EMI absorbing material coupled to the shield body.... | 10/31/2006 |
| 7064280 | Radiation shielding panel construction system and panels therefore A construction system for shielding a room includes a plurality of inter-fitting panels (100, 100′) adapted for mounting to structural surfaces (10, 12, 14, 16) of a room. Each of the panels has at least two layers (120, 130) of lead that are ... | 06/20/2006 |
| 6700799 | Electromagnetic interference containment apparatus The present invention is electromagnetic interference containment apparatus. In one embodiment, a layer of compressible material is disposed between an electromagnetic interference source and a bulkhead coupled to the electromagnetic interference source. ... | 03/02/2004 |
| 6683246 | Electric-wave absorber The radio wave absorber of the present invention has a radio wave reflector and at least two radio wave absorbing layers disposed on a surface of the radio wave reflector, the at least two radio wave absorbing layers being formed of a base material and el... | 01/27/2004 |
| 6654257 | Noise protection sheet A noise protection sheet 1 is stuck on an IC chip C loaded on a circuit board 31 to control the noise generated from the IC chip C. The noise protection sheet 1 includes a metallic sheet 2 and insulating films 3 sandwiching the metallic sheet from both fr... | 11/25/2003 |
| 6627810 | Magnetic shield for optical gyroscopes A magnetic shield has a multiple-layered lid and a multiple-layered base, wherein each layer of the lid is aligned with the corresponding layer of the base. The magnetic shield also includes an alignment mechanism to maintain the alignment of the correspo... | 09/30/2003 |
| 6625040 | Shielded PC board for magnetically sensitive integrated circuits A method and packaging device which provide a magnetically permeable shield for integrated circuits containing magnetic field sensitive circuit elements are disclosed. One or more magnetic shields are provided on, or embedded within, a printed circuit boa... | 09/23/2003 |
| 4871883 | Electro-magnetic shielding An electro-magnetic shielding comprising at least a two-layered electro-magnetic shielding in which one layer is formed by an electrical conductor, such as a metal braiding shield, and in which second layer is formed by a flexible, electrically non-conduc... | 10/03/1989 |
| 4868033 | Laminates and formings made from the same Laminates comprising a film of heat-shrinkable synthetic resin and a metallic foil or metallized plastic film laminated to the resin film through a bonding layer which comprises a discontinuous layer of a synthetic resin which flows at a temperature for h... | 09/19/1989 |
| 4868358 | Implement for preventing leakage of waves from microwave oven There is disclosed an implement for preventing microwaves from leaking from the housing of a microwave oven. The implement is made from a synthetic resin and mounted inside the oven. One example of the implement consists of polymethylpentene molded into a... | 09/19/1989 |
| 4865892 | Dimensionally recoverable article A dimensionally recoverable article, preferably a heat-recoverable article, for providing an electromagnetic shield as a shielding layer which comprises an electrically conductive fabric. The fabric may be a non-woven fabric formed from electrically condu... | 09/12/1989 |
| 4863789 | Electromagnetic wave shielding laminate An electromagnetic wave shielding laminate is composed of a substrate made of a synthetic resin with a knitted small-gauge metal wire buried therein.... | 09/05/1989 |
| 4825090 | Shielding membrane An EMI/RFI radiation and static electricity suppression device for shielding radiation from various electronic and electrical sources. The suppression device includes a shielding membrane having the waveguide barrier with a multiplicity of protrusions fac... | 04/25/1989 |
| 4792879 | Mounting structure for electric and electronic circuit elements A proximity switch or contactless switch circuit comprises within a casing a flexible insulating carrier provided along a component side with a multiplicity of electronic components connected by conductive strips to form the contactless or proximity switc... | 12/20/1988 |
| 4749625 | Amorphous metal laminate sheet An amorphous metal laminate sheet having an excellent electromagnetic wave-shielding effect including a core layer containing at least one amorphous metal sheet layer which may be plated with an electroconductive metal, at least one flexible polymeric coa... | 06/07/1988 |
| 4698197 | Magnetic shielding A magnetically-conductive filler material bridges the gap between a multi-part magnetic shield structure which substantially encloses a predetermined volume so as to minimize the ingress or egress of magnetic fields with respect to that volume. The filler... | 10/06/1987 |
| 4686127 | Pellicular laminate means for shielding structures from electromagnetic radiation A pellicular laminate comprising: a web of polypropylene film, on at least one surface of which is a layer of polyurethane; a metal, preferably a ductile metal such as gold, which has been deposited on that surface of the polyurethane layer farthest away ... | 08/11/1987 |
| 4686141 | Pellicular laminate means for shielding structures from electromagnetic radiation A pellicular laminate comprising: a web of polypropylene film, on at least one surface of which is a layer of polyurethane; a metal, preferably a ductile metal such as gold, which has been deposited on that surface of the polyurethane layer farthest away ... | 08/11/1987 |
| 4678699 | Stampable polymeric composite containing an EMI/RFI shielding layer A stampable thermoplastic composite having at least one thermoplastic layer and at least one shielding layer. The shielding layer comprises a material having an elongation to break of at least 8 percent, and the composite having an EMI/RFI shielding effec... | 07/07/1987 |
| 4670347 | RFI/EMI shielding apparatus An article of manufacture, and process of producing same, which is utilized for the enhanced attenuation of circuit generated radio frequency and electromagnetic interference, i.e. RFI and EMI. The article of manufacture comprises a centrally disposed sil... | 06/02/1987 |
| 4647714 | Composite sheet material for magnetic and electronic shielding and product obtained therefrom Composite sheet material, used for shielding magnetism and electromagnetic waves, principally made of an electrodeposited iron foil, as the core, with a thickness of at least 10 μm which is applied on either side surface thereof a plating layer with a re... | 03/03/1987 |
| 4585901 | EMI/RFI vapor deposited composite shielding panel An EMI/RFI shielding panel prepared by glow discharge treatment of a substrate material to provide a chemically reactive surface, and then successively vapor plating the surface with an adhesive layer of chromium or stainless steel, a shielding layer of c... | 04/29/1986 |
| 4556757 | Protective cover against radiation Protective cover against radiation consisting of a first special foil, which has a metallized lateral surface (metallization layer) connectable with ground potential by a grounding cord, on a plastic carrier foil and which preferably is disposed between t... | 12/03/1985 |
| 4544571 | Method of manufacture of EMI/RFI vapor deposited composite shielding panel An EMI/RFI shielding panel prepared by glow discharge treatment of a substrate material to provide a chemically reactive surface, and then successively vapor plating the surface with an adhesive layer of chromium or stainless steel, a shielding layer of c... | 10/01/1985 |
| 4513266 | Microwave ground shield structure The invention is connected with a microwave structure, and particularly with the improvement of a microwave circuit of the three plate construction having a plurality of independent circuits formed in an inner level that is sandwiched by two dielectric co... | 04/23/1985 |
| 4503485 | Arrangement for carrying electrical and/or electronic components An arrangement for mounting circuit components which operate at high power densities at high potential levels, which arrangement includes means defining a major and a minor insulating layer on the latter of which the components are mounted, the arrangemen... | 03/05/1985 |
| 4467002 | Dimensionally-recoverable article A dimensionally recoverable polymeric article for enclosing at least part of an elongate object such as a cable or connector has a surface at least part of which has an electrically conductive layer, preferably a metal layer, adhering thereto to provide a... | 08/21/1984 |
| 4189618 | Electromagnetic shielding envelopes from wound glassy metal filaments Efficient electromagnetic shielding envelopes made of wound metallic glass filaments are disclosed. They are made by winding the filaments around a suitably shaped mandrel and embedding the filaments in a matrix. These shielding envelopes have high shield... | 02/19/1980 |
| 4173712 | Electrical circuit component protecting device A device for protecting electrical circuit components from surges induced by transient electromagnetic fields by isolating such components in a region of substantially uniform and constant field is disclosed. The device generally comprises at least two su... | 11/06/1979 |
