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QUANTUM DOT MATERIAL AND METHOD OF CURING

Resumen de: US2025115776A1

Print materials described herein include a first polymerization initiator comprising an initiator material having a thermal decomposition rate and a peak photo-initiated decomposition rate, wherein the thermal dissociation rate is higher than the peak photo-initiated decomposition rate; a vinylic monomer; a polyfunctional monomer; scattering particles; and quantum dots. Methods of making a quantum dot material using such print materials, and of incorporating into light emitting devices, are also described.

CONDUCTIVE POLYMER-CONTAINING DISPERSION LIQUID, SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING SAME

Resumen de: US2025118500A1

Provided are a conductive polymer-containing dispersion for obtaining a solid electrolytic capacitor with low equivalent series resistance (ESR) while maintaining the capacitance, a method for producing same, and a solid electrolytic capacitor having low ESR while maintaining the capacitance. A conductive polymer-containing dispersion comprising a conjugated conductive polymer (A), a polyanion (B), an additive (C), and a dispersion medium (D), wherein a hydrogen bond term δH1 of the additive (C) as a Hansen solubility parameter is 5.0 to 20.0 MPa0.5.

酸化錫粒子分散液、および、酸化錫粒子積層膜の製造方法

Resumen de: WO2025069993A1

Provided are: a tin oxide particle dispersion in which tin oxide particles are dispersed in a solvent, from which it is possible to form a tin oxide particle laminated film having excellent conductivity as a result of the tin oxide particles being arranged uniformly, and which is characterized by having a zeta potential of -35 mV or less at pH 10; and a method for producing a tin oxide particle laminated film. The tin oxide particles may be doped with a different element. The different element is preferably one or more selected from antimony, fluorine, and phosphorus. The primary particle size of the tin oxide particles is preferably in the range of 1.5-100 nm.

ADHESIVE TAPE FOR WAFER THINNING AND PREPARATION METHOD THEREFOR, AND WAFER GRINDING METHOD

Resumen de: WO2025066107A1

Disclosed in the present invention are an adhesive tape for wafer thinning and a preparation method therefor, and a wafer grinding method. The adhesive tape for wafer thinning comprises an adhesive tape layer, a base film layer, and a conductive coating, which are sequentially stacked, wherein the base film layer and the conductive coating constitute an antistatic base film; the raw materials of the adhesive tape layer comprise an acrylic adhesive, a hardening agent and an antistatic agent, the mass dosage of the hardening agent being 3-4% of that of the acrylic adhesive, and the mass dosage of the antistatic agent being 1-2% of that of the acrylic adhesive; the base film layer is selected from a TPU film; and the conductive coating is selected from a silver nanowire coating. The adhesive tape for wafer thinning of the present invention can be applied to wafer grinding, has good antistatic property, and can effectively inhibit stripping static electricity; in addition, the adhesive tape further has the advantages of being stripped without residue and having water seepage prevention.

CONDUCTIVE PASTE

Resumen de: WO2025070243A1

This conductive paste includes nickel powder, ceramic powder, an organic binder, and an organic solvent, and the surfaces of nickel particles (10) constituting the nickel powder are coated with sulfur (11) and nickel oxide (12) at a proportion of 79-100%, on average. Preferably, the coverage rate of the sulfur (11) on the surface of each of the nickel particles (10) averages 1-89%, and the coverage rate of the nickel oxide (12) on the surface of each of the nickel particles (10) averages 9-99%. More preferably, the organic binder is included in an amount of 3-7 parts by mass with respect to 100 parts by mass of the nickel powder, and the ceramic powder is included in an amount of 2-18 parts by mass with respect to 100 parts by mass of the nickel powder.

Current Collector

Resumen de: KR20250046957A

본 명세서는 집전체 및 그 용도를 개시한다. 본 출원에서는, 정상 상태에서는 우수한 전기적 특성을 나타내어서, 이차 전지의 안정적인 작동 내지 보관을 가능하게 하면서 PTC(Positive Temperature Coefficient) 효과를 가져서 이상 상태에서 안정성을 확보할 수 있는 집전체 및 그 용도를 제공할 수 있다. 또한, 본 출원에서는, 단락(short) 등의 이상 상태의 발생 시에 온도의 상승 정도와 상승 속도를 억제하고, 전압 강하를 막을 수 있는 집전체 및 그 용도를 제공할 수 있다.

CONDUCTIVE STANNIC OXIDE PARTICLE-CONTAINING ORGANIC SOLVENT-DISPERSED SOL AND METHOD OF PRODUCTION THEREOF

Resumen de: US2025109302A1

A modified metal oxide particle sol, when applied as a coating onto a substrate, is capable of having transparency, a high particle refractive index and good coat resistivity. The modified metal oxide particle sol is composed of modified metal oxide particles (iii) in which stannic oxide particles (i) having an average primary particle size of 4 to 50 nm serve as cores and are coated with metal oxide particles (ii) of at least one metal oxide selected from the group consisting of antimony oxide, stannic oxide and silicon oxide and having an average primary particle size of 1 to 10 nm, which modified metal oxide particles (iii) are dispersed in an organic solvent. The average primary particle size of the core particles (i) and the average primary particle size of the coating particles (ii) satisfy the relationshipsize of core particles (i)≥size of coating particles (ii),the ratio (total weight of metal oxides other than stannic oxide)/(weight of stannic oxide) is from 0.005 to 1.0, and the sol includes an amine (a) having a water solubility of 0.1 g/L or more and an amine (b) having a water solubility of less than 0.1 g/L.

THERMALLY PROCESSIBLE PIEZOELECTRIC COMPOSITIONS CONTAINING A THERMAL CROSSLINKING AGENT AND METHODS ASSOCIATED THEREWITH

Resumen de: US2025109305A1

Parts having piezoelectric properties may be formed using compositions comprising a plurality of piezoelectric particles dispersed in at least a portion of a polymer material comprising at least one thermoplastic polymer, and at least one thermal crosslinking agent dispersed in at least a portion of the polymer material. The composition is formable at a melt processing temperature that is at or above a melting point or softening temperature of the at least one thermoplastic polymer for a melt processing time that retains at least a majority of the at least one thermal crosslinking agent in a non-crosslinked state. The at least one thermal crosslinking agent may be present in the polymer material a) covalently bonded to at least a portion of the polymer material, b) covalently bonded to at least a portion of the piezoelectric particles, or c) any combination thereof.

LAYERED POLYESTER FILM

Resumen de: WO2025070684A1

The present invention addresses the problem of providing an antistatic film and a protection film that suppress increases in haze even after heating and drying and have a low surface resistivity, even in the case of a thin antistatic layer.　Said problem can be solved by a layered polyester film according to the present invention including, in the stated order, a first layer, a polyester film, and a second layer, said layered polyester film characterized in that the first layer is an antistatic layer, the antistatic layer is a cured layer of a composition including at least a conductive polymer and a melamine crosslinking agent, and the melamine crosslinking agent includes at least one selected from imino-type methylated melamine resins, methylol-type methylated melamine resins, full ether-type methylated melamine resins, and imino/methylol-type methylated melamine resins.

TIN OXIDE PARTICLE DISPERSION AND METHOD FOR PRODUCING TIN OXIDE PARTICLE LAMINATED FILM

Resumen de: WO2025069993A1

Provided are: a tin oxide particle dispersion in which tin oxide particles are dispersed in a solvent, from which it is possible to form a tin oxide particle laminated film having excellent conductivity as a result of the tin oxide particles being arranged uniformly, and which is characterized by having a zeta potential of -35 mV or less at pH 10; and a method for producing a tin oxide particle laminated film. The tin oxide particles may be doped with a different element. The different element is preferably one or more selected from antimony, fluorine, and phosphorus. The primary particle size of the tin oxide particles is preferably in the range of 1.5-100 nm.

SILVER NANOWIRE BASED, ELECTRICALLY CONDUCTIVE INKS, PASTES AND ELECTRICALLY CONDUCTIVE POLYMER COMPOSITES WITH METAL PARTICULATES, AND CORRESPONDING METHODS

Nº publicación: WO2025072714A1 03/04/2025

Solicitante:

EKC TECH INC [US]
EKC TECHNOLOGY, INC

Resumen de: WO2025072714A1

Concentrated flowable compositions having a total metal weight of at least about 45 wt% are used to form an electrically conductive material. The compositions include metal particulates such as silver flakes, silver particles and/or silver nanowires, and for embodiments of particular interest, a reducible metal composition such as one or more silver salts. The composition includes an organic precursor that forms a polymeric matrix and includes a dissolved polymer binder, a crosslinkable or polymerizable monomer, oligomer or polymer, or a mixture thereof. The flowable precursor composition can be used to form an electrically conductive structure such as a composite of solid polymer matrix and at least about 45 wt% metal. The composite can have a resistivity of no more than about 5 x 10-3 Ohm-cm. Methods for forming the flowable precursor composition and the composites are described.