国家/地区 中国（5） 韩国（2）
IPC部 C（7）
IPC大类 C22（7）
IPC小类 C22C（7）
IPC C22C001/03（2） C25D007/06（2） C25D015/00（2）
发明人 LEE J（2）
公开年 2023（7）
申请年 2022（5）  2023（2） 
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

Preparing tellurium-copper alloy material containing rare earth metal comprises e.g. taking pure copper, pure tellurium, copper-rare earth alloy and mix, melt, add pure zinc, copper-phosphorus alloy as deoxidizer, solution treating, aging, and electroplating to form coating.

ZHU Y

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H

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