Invention Application
- Patent Title: Atomically Sharp Iridium Tip
- Patent Title (中): 原子锋利的铱尖
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Application No.: US11924692Application Date: 2007-10-26
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Publication No.: US20090110951A1Publication Date: 2009-04-30
- Inventor: Hong-Shi Kuo , Ing-shouh Hwang , Tien T. Tsong , Tsu-Yi Fu
- Applicant: Hong-Shi Kuo , Ing-shouh Hwang , Tien T. Tsong , Tsu-Yi Fu
- Applicant Address: TW Taipei
- Assignee: Academia Sinica
- Current Assignee: Academia Sinica
- Current Assignee Address: TW Taipei
- Main IPC: B21G1/00
- IPC: B21G1/00 ; C22F1/14 ; C21D9/26
Abstract:
A method for preparing an iridium tip with atomic sharpness. The method includes tapering an iridium wire to a needle shape and heating the iridium needle in an oxygen atmosphere. Also disclosed is an iridium needle having a pyramidal structure which terminates with a small number of atoms prepared by the methods.
Public/Granted literature
- US07737414B2 Atomically sharp iridium tip Public/Granted day:2010-06-15
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