国家/地区 中国（4）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/186（3）
发明人 DENG K（4）
公开年 2022（4）
申请年 2022（4） 
专利权人 CHANGZHOU 2D.（3）

Wearable device e.g. smart watch, has capacitive fingerprint sensor that is used for collecting fingerprint information of user when user finger and non-conductive area contact insulating layer.

WEN J, DENG K, ZHANG L, CAI Q

Graphite crucible cover, comprises detachably connected upper cover and bottom plate and heat insulation area arranged in cavity enclosed by upper cover and bottom plate.

CHANG B, DENG K, JIN H, WANG Z

Graphite crucible useful for manufacturing integrated circuit, comprises crucible body and crucible cover, supporting platform used for horizontally placing crucible cover, groove arranged between supporting platform and inner wall and crucible cover comprises air inlet hole and air outlet hole.

CHANG B, DENG K, JIN H, WANG Z

Air inlet pipe inner wall carbon removing method for chemical vapor deposition (CVD) growth graphene powder, involves cutting off oxygen, keeping nitrogen unchanged, and cooling after introducing oxygen/nitrogen mixed gas into set time.

CHANG B, DENG K, JIN H, WANG Z