国家/地区 中国（10）
IPC部 C（10）
IPC大类 C25（10）
IPC小类 C25D（10）
IPC C25D003/38（10）
发明人 PAN Z（2）
公开年 2023（3） 2019（2） 2021（2） 2022（2）
申请年 2022（4）  2021（3） 
专利权人

Method for preparing high-conductivity nanometer graphene colloid useful in field of printed circuit board involves mixing nano-graphene material with additive, dissolving in water, and performing ball milling and ultrasonic dispersion treatment.

ZHAO Y, CHAI X, HU C, YANG G

Graphene/metal composite layer structure useful in item in electroplating process, preferably used for flexible circuit board, comprises interpenetrating network formed by interlocking electroplated metal and graphene surfaces.

YE G, CAO X, ZHANG J, ZHENG K, LU J, MA Y

Preparing low transmission loss single crystal copper material comprises e.g. forming single crystal copper layer on substrate i.e. graphene layer surface, and peeling off single crystal copper layer from substrate in mixed gas atmosphere of argon and hydrogen.

WANG E, YUE X, HUANG Z, HE M, ZHANG Z, DING Z

Preparing negative charge oxidation graphene, comprises adding concentrated sulfuric acid in reaction container, adding graphite powder, persulfate and phosphorus oxide, and adding concentrated sulfuric acid into graphite solution.

SONG T, CHEN W, PAN Z, LIU Z

Preparing composite copper graphene involves preparing graphene heat conducting film as base material, performing regular perforation process on surface of base material surface, performing electroplating treatment, performing copper deposition on substrate surface and rolling.

LIN Z, CHEN Q, LIANG H, CAI J

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

Preparing high-flexibility graphite material or graphene material radiating component, comprises plasma cleaning graphite, mixing components of activating agent, preparing activating catalyst, washing and drying raw product electroplated with copper layer.

PANG M, PANG M X, MACING F

Directly plating circuit board based on graphene film comprises e.g. heating graphene oxide containing a specific functional group, dispersing heat-treated graphene oxide in an aqueous solution, ultrasonically stirring and centrifuging.

ZHOU Q, SONG W, LIU G, PAN Z, HU G, WEI Z

Printed circuit board (PCB) with graphene-metal composite material as conductive line for motor, has underlying conductive wire that is provided on surface of substrate sheet and has graphene-metal composite layer.

HUANG Y, LIU H, ZHENG X

Copper seed and graphene composite multilayer cooling film has graphene layer and copper layer.

LIU L