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Class 427/96.3 - Electromagnetic wave energy shield (e.g., electromagnetic wave shield (EWS), etc.)


Subclass of Class 427 - Coating processes
Definition: Process in which the protective layer inhibits transmission
No. of patents: 27
Last issue date: 05/01/2012


NumberTitleIssue Date
8168252Electromagnetic wave shielding material and process for producing the same
The present invention provides an electromagnetic wave shielding material that has high electromagnetic wave shielding effects, excellent transparency, and excellent see-through property, and a simple and inexpensive production process for the electromagnetic wave s...
05/01/2012
8119191Dispensable cured resin
The present invention discloses methods, materials and devices for facilitating electromagnetic/radiofrequency interference (EMI/RFI) shielding and thermal management in packaging circuits. More specifically, a method of packaging integrated circuits with improved t...
02/21/2012
7611746Electromagnetic-wave-shielding light-transmitting window member and method for producing the same
A method for producing an electromagnetic-wave-shielding light-transmitting window member comprising a transparent substrate and a conductive pattern formed by electroless plating on a surface of the transparent substrate. In the method, an ultraviolet-curable resin...
11/03/2009
7560135Electromagnetic-wave shielding and light transmitting plate and manufacturing method thereof
To manufacture an electromagnetic-wave shielding and light transmitting plate having a conductive pattern of which line width is narrow and open area ratio is high, a negative pattern 2 composed of dots is printed on a transparent film 1 having a high ...
07/14/2009
7205096Method for forming metal pattern by using metal nanocrystals
Disclosed herein is a method for forming a metal pattern by using metal nanocrystals. The method comprises the steps of: (i) coating a photosensitive compound having a substituent, which is converted into a free carboxyl group by light exposure, on a substrate to fo...
04/17/2007
7135203Flexible circuit with electrostatic damage limiting feature
A flexible circuit incorporating an electrostatic discharge limiting feature, comprising a dielectric substrate selected from polyimide or liquid crystal polymer film having at least one conductive trace coated on at least one surface of the substrate wherein the di...
11/14/2006
7102077Low cost electromagnetic energy absorbing, shrinkable tubing manufactured from conductive loaded resin-based materials
Electromagnetic energy absorbing, shrinkable tubing are formed of a conductive loaded resin-based material. The conductive loaded resin-based material has micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers i...
09/05/2006
7034232Keysheet module
A keysheet module is provided which comprises: a one-sided printed circuit board having a plurality of wiring patterns formed on one side thereof; and contact switches, LEDs for illuminating a keypad, and electric elements such as resistors and capacitors, all provi...
04/25/2006
6083557System and method for making a conductive polymer coating
This is a system and method of forming a conductive polymer optical coating on an infrared detection system. The apparatus may include an upper vacuum chamber, a shutter assembly mounted inside the upper vacuum chamber, a substrate holder disposed inside ...
07/04/2000
6045866Method of forming electroless metal plating layers on one single surface of a plastic substrate and the product thereof
Disclosed is a method of forming electroless metal plating layers on one single surface of a plastic substrate and the product thereof. The method includes steps of degreasing or pre-etching the material for forming the substrate, etching the material, ad...
04/04/2000
5871684Method of making lightweight, low thermal expansion microwave structures
A method of making a lightweight, microwave electronic structure includes the steps of forming a rigid, glass structure having a desired density by a sol-gel process and thereafter uniformly coating the formed glass structure with an adherent and uniform ...
02/16/1999
5776235Thick opaque ceramic coatings
Thick opaque ceramic coatings are used to protect delicate microelectronic devices against excited energy sources, radiation, light, abrasion, and wet etching techniques. The thick opaque ceramic coating are prepared from a mixture containing phosphoric a...
07/07/1998
5694300Electromagnetically channelized microwave integrated circuit
A multi-chip module (10) has a plurality of functional circuits each disposed within its own cavity (15-18), each cavity separated from the other by isolation channels (20, 21). Each functional circuit includes a plurality of monolithic microwave or high ...
12/02/1997
5363550Method of Fabricating a micro-coaxial wiring structure
A method of fabricating a micro-coaxial wiring structure comprises forming a first insulation layer and patterning a trench therein. A first conductive layer is formed on the first insulation layer and having a shape conforming to the insulation layer and...
11/15/1994
5356656Method for manufacturing flexible amorphous silicon solar cell
A method of manufacturing a flexible amorphous silicon solar cell includes the steps of: a) coating a PI varnish on a glass substrate; b) imidizing the PI varnish film; c) vacuum-depositing a metal film on the PI film; d) vacuum-depositing an amorphous si...
10/18/1994
5308644Method for manufacturing a printed wiring board having a shield layer
The method for manufacturing the printed wiring board having a shield layer of the present invention is characterized in that, in a method for manufacturing a printed wiring board wherein a printed wiring circuit is provided on one or both sides of an ins...
05/03/1994
5196230Method for connecting an electromagnetic wave shielding layer with a ground circuit in a printed circuit board
A method for connecting a ground circuit and an electromagnetic wave shielding layer for a printed wiring circuit in a printed circuit board is disclosed. The method comprising the steps of forming said insulating layer by a plurality of insulating layers...
03/23/1993
5112648Method of manufacturing a printed circuit board
A method of manufacturing a printed circuit board is disclosed. The method comprises steps of providing a substrate for the printed circuit board, forming circuit patterns on one or both sides of the substrate, and shielding the whole or a required part o...
05/12/1992
5043184Method of forming electrically conducting layer
A conducting layer such as an additional wiring pattern or an electromagnetic insulation layer is formed on a conducting surface such as of a printed circuit board with an insulating layer being interposed therebetween, by a method which includes the step...
08/27/1991
4970354Electromagnetic wave shielding circuit and production method thereof
An electromagnetic wave shielding circuit and the production method thereof is described, wherein the circuit comprises a base board, an electric circuit formed on the base board, an electrically isolating coating coated over the electric circuit, a layer...
11/13/1990
4959752Electronic module RFI/EMI shielding
A system, i.e. method and materials for RFI/EMI shielding an electronic module in a computer or other electronic product is described. In one embodiment of the invention predetermined areas of the module, such as connectors, mounting holes, and electrical...
09/25/1990
4592944Method for providing a top seal coating on a substrate containing an electrically conductive pattern and coated article
An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein M is --C.tbd.C--, --C.tbd...
06/03/1986
4584039Fine line flexible cable fabrication process
A method for fabricating supported fine line electrical conductors comprises the steps of forming a pattern (16) which defines a configuration (18) of the desired conductors on a surface (12), placing electrically conductive material on the surface in a c...
04/22/1986
4402998Method for providing an adherent electroless metal coating on an epoxy surface
A method of electrolessly plating a substrate having a rubber-modified epoxy surface includes the steps of preheating the substrate and while still warm, sputter etching at least 50A. from its surface. The substrate is then vacuum metalized with an adhesi...
09/06/1983
4323405Casing having a layer for protecting a semiconductor memory to be sealed therein against alpha particles and a method of manufacturing same
A hermetic cap member of a casing for a semiconductor memory element is provided with a protection layer on a recessed surface facing the memory element. The protection layer is of at least one material which does not emit alpha particles and has a thickn...
04/06/1982
4238528Polyimide coating process and material
A protective layer composition, suitable for protecting metal electrodes on components and other microelectronic circuitry, comprises an organic thermoplastic polymeric material, an organic solvent or solvents, and a non-ionic fluorocarbon surfactant as a...
12/09/1980
4163072Encapsulation of circuits
Disclosed is a technique for the protection of micro-electronic circuits. A room temperature vulcanizing silicone rubber is applied over the circuit. While the rubber is in an uncured state, a solvent-resistant cover coating is applied thereon. The result...
07/31/1979
 
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