国家/地区 中国（2）
IPC部 F（2）
IPC大类 F28（2）
IPC小类 F28D（2）
IPC
发明人
公开年
申请年 2022（2）
专利权人

Graphene coating PTC constant temperature heater, has lifting component comprising stepping motor, screw thread screw rod, lifting seat and bearing seat, where surface of water tank is provided with guide component.

YANG C, SHENG W

Directional hydrophobic structure for electronic packaging drainage device, has directional hydrophobic spacer that is arranged on substrate, and micro-grooves that are discharged into packaging mold along tapered micro-pillars.

LI B, GUO Y, XIE B, WEN G, CHEN Y, OU Z, HOU M