国家/地区 中国（18） 世界知识产权组织（3）
IPC部 C（20）
IPC大类 C01（20）
IPC小类 C01B（20）
IPC C01B032/184（9） H05K009/00（9） H05K007/20（8）
C01B032/194（6） C01B032/19（4） B82Y030/00（3）
B82Y040/00（3） C01B032/182（3） C09K005/14（3）
C01B032/186（2） C01B032/198（2） H05K003/42（2）
发明人 CHEN Q（2） LIU Z（2） WANG X（2）
WANG Y（2） ZHANG L（2）
公开年 2023（20）
申请年 2022（20）
专利权人

Electromagnetic interference suppressing material used as radio wave absorber, noise suppression sheet, semiconductor sealing material, sealing sheet, and wire coating material, comprises base material containing organic substances and inorganic substances, and powdered carbon material.

NISHIHARA H, YOSHIDA S, UCHIDA K

Method for preparing high-conductivity nanometer graphene colloid useful in field of printed circuit board involves mixing nano-graphene material with additive, dissolving in water, and performing ball milling and ultrasonic dispersion treatment.

ZHAO Y, CHAI X, HU C, YANG G

Activation method before metallization of thick copper printed circuit board hole involves preparing graphene liquid and graphene oxide liquid, mixing to obtain graphene copper plating pre-activation liquid without dispersant, and injecting activating solution.

BAI J, XIE D, FANG B, WANG J

High elastic graphene composite aerogel used in e.g. sensing application, is formed by connecting multiple metal chloride intercalation graphene nano-wall.

GAO C, PANG K, LIU X

Preparation of graphene film involves coating graphene oxide slurry on porous substrate to obtain graphene oxide film, punching incompletely dried film, drying completely, heat-pretreating, carbonizing, and high-temperature graphitizing.

HE J, XIAO W, LIANG H, CAI J

Preparing a three-dimensional lightweight graphene shielding material useful in electromagnetic shielding device, comprises e.g. performing aqueous dispersion treatment to the graphene and dispersant to obtain dispersion slurry, mixing the dispersion slurry and aqueous polymer to obtain mixed slurry.

LI Y, BAI H, YANG W

Graphene carbide/silicon carbide composite material used in electromagnetic shielding device, comprises multiple graphene of silicon carbide crystal grains uniformly distributed to form thin film.

LI Z, ZHANG L, TU R, XU Q, ZHANG S

Manufacture of laminated graphene-based thermally conductive film used for electronic assembly, involves providing laminated film comprising graphene film layers separated by adhesive and comprising graphene sheets aligned with plane of graphene film.

LIU J, LAUBECK T

Preparation of multilayer self-fused graphene heat conducting film involves preparing pre-reduced graphene oxide slurry, pouring substrate, coating to form film, drying, stacking, graphitizing under argon atmosphere, and rolling.

KONG Q, TAO Z, YANG S, LIU Z

Preparing graphene-based thermally conductive/conductive composite material, comprises e.g. pressing open-cell metal foam laminate, annealing pressed foam metal, catalyzing graphene on the surface of the metal foam substrate, removing the metal substrate, and post-processing.

CHENG H, LIU H, MA C, REN W