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32results about "Treatment using electric/magnetic/electromagnetic fields" patented technology

Oriented, aminosilane-coated film capable of structuring by means of electromagnetic radiation and composed of thermoplastic polyester for the production of selectively metallized films

The invention relates to a single- or multilayer, oriented, film coated with an aminosilane compound and composed of polyester which comprises an additive which, on irradiation with electromagnetic radiation, forms metal nuclei on which further metal can be deposited in further steps of the process. The invention further relates to a process for producing this film and to its use in printed circuit boards, ribbon cables, smart cards, RFID labels, membrane keyboards, and film-based circuits of any type.
Owner:MITSUBISHI POLYESTER FILM

Circuit board structure and method for manufacturing the same

A circuit board structure includes a circuit board and an adhesive layer. The circuit board has a first board surface and an opposite second board surface, and the first board surface defines a predetermined portion. The circuit board has a conductive circuit disposed on the first board surface and at least partially arranged on the predetermined portion. The adhesive layer is seamlessly formed on the predetermined portion of the first board surface of the circuit board, and the conductive circuit arranged on the predetermined portion is seamlessly covered by the adhesive layer. A surface of the adhesive layer arranged away from the circuit board is a planar bonding surface.
Owner:ICHIA TECH

Anti-interference circuit board and terminal

The invention provides an anti-interference circuit board and a terminal. The circuit board specifically comprises a substrate which is provided with a first surface, and the first surface is providedwith a first region for placing a magnetometer; the substrate is internally provided with a plurality of circuit layers, and the plurality of circuit layers are arranged in a stacked manner, for example, the substrate is at least internally provided with a first functional circuit used for generating a magnetic field generated in a first direction and a second functional circuit used for generating a magnetic field generated in a second direction which are stacked; when the positions of the first functional circuit and the second functional circuit are specifically set, the first region is located in the vertical projection of the first functional circuit and the second functional circuit on the first surface. What can be seen from the description is that the first functional circuit andthe second functional circuit are arranged to compensate the interference of the magnetometer in the first region, and the first functional circuit and the second functional circuit are located belowthe magnetometer during arrangement, so that the occupied surface area of the anti-interference circuit board is reduced.
Owner:HUAWEI TECH CO LTD

Carrying device, wet etching apparatus and usage method thereof

The present invention discloses a carrying device, a wet etching apparatus and a usage method thereof. The carrying device comprises a carrying body and a heating unit both disposed under a to-be-processed substrate, the carrying body is used for carrying the to-be-processed substrate such that the to-be-processed substrate is placed inclined; the heating unit is used for heating the to-be-processed substrate, such that temperature of the to-be-processed substrate rises gradually from a top portion to a bottom portion thereof. In the technical solution of the present invention, by disposing the heating unit under the to-be-processed substrate, the temperature of the to-be-processed substrate rises gradually from the top portion to the bottom portion thereof, thus etch rate of the etchant on the bottom portion of the to-be-processed substrate can be increased, and uniformity of etch rate in the inclined wet etching process is improved.
Owner:BOE TECH GRP CO LTD +1
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