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:
Jan. 26, 1988
Filed:
Jun. 04, 1986
Hirotoshi Hagiwara, Machida, JP;
Akio Rokugawa, Machida, JP;
Naoyuki Okamoto, Machida, JP;
Tsunemasa Inoue, Atsugi, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A charged particle emission source structure comprising a needle-like electrode for emission of charged particles, a reservoir for a liquid metal for wetting the surface of the needle-like electrode, heat-generating support members for heating the liquid metal and holding the reservoir or the needle-like electrode, and an extraction electrode for applying an electric field as between it and the needle-like electrode, which is characterized in that conductive partitions hardly wettable with the liquid metal are provided between the heat-generating support members and the reservoir or the needle-like electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile