国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B009/00（3） B32B009/04（3） B32B015/20（2）
C23C016/26（2）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Composite copper foil structure used for copper-clad laminate and printed circuit board, has shell layer comprising N-layer graphene layer and M-layer metal copper layer alternately laminated with each other, and where surface of shell layer close to copper foil core layer is graphene layer.

GAO F, CAI L, ZHANG Q

Long-life guide cylinder comprises e.g. outer layer as pre-oxidized felt insulating felt, middle layer as modified resin formed on inner side wall of outer layer, and inner layer as carbon/carbon composite material formed on inner side wall of middle layer.

BAI Y, QIN X, LIU Y, ZHOU J

Flame-retardant and environmentally friendly plastic includes PC plastic base layer, first cubic boron nitride flame-retardant layer arranged on upper surface of PC plastic base layer.

LI Z, ZHOU B, SHEN T