国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C25D005/54（3）
发明人
公开年 2022（2）
申请年
专利权人

High-temperature-resistant composite material used in selective absorption of electromagnetic waves, is composed of composite material medium layer which is fiber preform reinforced ceramic matrix composite material comprising wave-transmitting layer and loss layer, and periodic structure layer.

SHANG L, XIAO Q, CHEN Z

Improving warping of copper-clad ceramic substrate motherboard comprises ball-milling and drying modified hollow glass microbead with ethanol and microfiber, mixing composite hollow glass microbead with nickel sulfate, nickel chloride, boric acid, sodium citrate and water, electroplating and etching.

LIU X, YANG K, YU X

Preparation of zinc-silver metal composite material involves adding e.g. silicon carbide, carbon, PVC and ball milled product containing zinc and silver into reaction kettle, heating, adding e.g. graphene and talc, and molding.

XIONG L, JING Z, WANG Y