国家/地区 中国（6） 韩国（2）
IPC部 C（8） B（5）
IPC大类 C22（8）
IPC小类 C22C（8）
IPC C25D015/00（3）
发明人 LEE J（2）
公开年 2023（5） 2022（3）
申请年 2022（8）
专利权人

Metal particles used in adhesive paste or solder paste for composite bonding structure for semiconductor device, comprises core including metal and shell on surface of core, where shell comprises metal and nanoparticles.

CHU K, LEE J, JUNGHOON L, CHU K M

Aluminum alloy materials for automotive structural parts, is using micro-arc oxidation surface treatment technology to prepare corrosion-resistant surfaces, and coating pretreated graphene-doped aluminum alloy substrate with carbon nanotube film, and treating surface by micro-arc oxidation.

ZHAO F, ZHU W, XU Y, WANG Z, LI M, CHENG K, YANG G, XIN W, LV T, JIAO P, GAO S, WU S, ZHAO X, CUI L

High-strength steel plate comprises base steel plate, and ferrite layer having internal oxide layer on which iron-nickel alloy layer is formed with excellent surface quality formed in internal oxide layer from surface of ferrite layer.

LEE K, LEE C, KANG K, KIM N, JANG Y, LEE J, KANG K C, KIMNAMAH, JANG Y M

Black metal surface nano-graphene composite layer comprises graphene, mixed rare earth, zinc, silicon, manganese, boron, magnesium, vanadium, titanium, zirconium and aluminum.

DENG H, CHEN R, DENG C

Preparing high-strength aluminum alloy plate for sheet metal process, comprises e.g. taking ZL114A as aluminum alloy plate base material, adding modifier, heating, adding refining agent, polishing, placing aluminum alloy plate in electrolyte for anodic oxidation, sealing, and drying.

XU J

Hardening stainless steel surface, involves taking sleeve base body after ultrasonic rolling, carburizing surface to form carburized layer, taking sleeve base body after carburization, and brightening surface to obtain finished product sleeve.

BIAN C

Preparation of copper-tungsten graphene-containing composite material for vacuum switch electric appliance, involves preparing tungsten-copper-graphene core-shell powder, and sintering obtained graphene core shell powder.

DING Y, ZHU Z, LIANG S, ZOU J, XIAO P, CHEN Z, ZHANG Q, DENG N

Preparing titanium-nickel alloy matrix composite material with wide temperature range and high damping response, comprises cutting titanium-nickel foil into thin slices by wire cutting, polishing surface, adding graphene oxide to absolute ethanol for ultrasonic dispersion, and tiling and stacking.

LI L, DONG L, HUO W, CHANG G, LI X