国家/地区 中国（5）
IPC部 C（5）
IPC大类 C25（5）
IPC小类 C25D（5）
IPC C25D005/14（2） C25D005/48（2） C25D007/00（2）
发明人 LAI H（5）
公开年 2023（5）
申请年 2022（5）
专利权人 GUANGZHOU UL.（5）

Neodymium-iron-boron plating trivalent black chromium and plating layer structure of graphene, has citrate pre-plating nickel layer that is prepared from inside to outside sequentially of substrate, and graphene sealing layer.

PENG C, LAI H, GUO C, LI X

Neodymium-iron-boron zinc-plated nickel alloy and plating layer structure of graphene, has citrate pre-plating nickel layer prepared from inside to outside of substrate, and trivalent chromium blue passivation layer and graphene sealing layer.

DENG Y, LAI H, GUO C, CHEN M

Plating layer structure for preparing chromium-free black conversion film, comprises metal substrate, and zinc-iron alloy plating layer sequentially from inside to outside on metal substrate.

LAI H, GUO C, LI X

Protective layer structure of neodymium-iron-boron coating graphene used in e.g. computer, comprises base body, citrate pre-plating nickel layer and graphene electrophoresis paint coating layer prepared from inside to outside base body.

FENG L, PENG C, LAI H, GUO C

Neodymium-iron-boron plating black zinc and plating layer structure of graphene, has citrate pre-plating nickel layer that is prepared from inside to outside sequentially of substrate, and trivalent chromium black passivation layer.

LUO X, PENG C, GUO C, LAI H