国家/地区 中国（2）
IPC部 B（2）
IPC大类 B22（2）
IPC小类 B22D（2）
IPC B22D011/06（2）
发明人
公开年 2022（2）
申请年
专利权人

Surface coating of copper roller of belt furnace used for neodymium-iron-boron material, comprises silica gel coating comprising silicate and water catalyzing by acidic catalyst.

QIU X

Method for Preparing oxidation resistant copper-based surface enhanced Raman scattering substrate, involves adding alloy strip into hydrochloric acid ethanol solution to remove alloy to obtain nano porous copper, carrying out acid washing on nano porous copper, and washing oxide layer off.

LIU J, NING J, ZHANG L, CHEN C, PAN D