US 11,996,261 B2
Carbon nanotube device
Xin-Yu Gao, Beijing (CN); Guo Chen, Beijing (CN); Ke Zhang, Beijing (CN); Lin Cong, Beijing (CN); Kai-Li Jiang, Beijing (CN); and Shou-Shan Fan, Beijing (CN)
Assigned to Tsinghua University, Beijing (CN); and HON HAI PRECISION INDUSTRY CO., LTD., New Taipei (TW)
Filed by Tsinghua University, Beijing (CN); and HON HAI PRECISION INDUSTRY CO., LTD., New Taipei (TW)
Filed on Feb. 24, 2022, as Appl. No. 17/679,652.
Claims priority of application No. 202110639098.5 (CN), filed on Jun. 8, 2021.
Prior Publication US 2022/0392732 A1, Dec. 8, 2022
Int. Cl. H01J 37/09 (2006.01); H01J 37/28 (2006.01)
CPC H01J 37/09 (2013.01) [H01J 37/28 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A carbon nanotube device comprising:
a conductive substrate comprising a head and a handle, the head defining a through hole and comprising a surface surrounding the through hole; and
a carbon nanotube array only on the surface of the head, and not covering the through hole, wherein the carbon nanotube array comprises a plurality of carbon nanotubes substantially perpendicular to the surface of the head.