The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 2017
Filed:
Aug. 08, 2014
Hitachi High-tech Science Corporation, Minato-ku, Tokyo, JP;
Tomokazu Kozakai, Tokyo, JP;
Osamu Matsuda, Tokyo, JP;
Yasuhiko Sugiyama, Tokyo, JP;
Kazuo Aita, Tokyo, JP;
Fumio Aramaki, Tokyo, JP;
Anto Yasaka, Tokyo, JP;
Hiroshi Oba, Tokyo, JP;
Hitachi High-Tech Science Corporation, Minato-ku, Tokyo, JP;
Abstract
There is provided an iridium tip including a pyramid structure having one {100} crystal plane as one of a plurality of pyramid surfaces in a sharpened apex portion of a single crystal with <210> orientation. The iridium tip is applied to a gas field ion source or an electron source. The gas field ion source and/or the electron source is applied to a focused ion beam apparatus, an electron microscope, an electron beam applied analysis apparatus, an ion-electron multi-beam apparatus, a scanning probe microscope or a mask repair apparatus.