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:
Jun. 10, 1997
Filed:
Dec. 29, 1995
Applicant:
Inventors:
Yuji Horino, Ikeda, JP;
Kanenaga Fujii, Hyogo-ken, JP;
Akiyoshi Chayahara, Ikeda, JP;
Atsushi Kinomura, Ikeda, JP;
Yoshiaki Mokuno, Ikeda, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
2505051 ; 2504923 ; 2505031 ; 3133591 ; 3133631 ; 313420 ;
Abstract
A method for the extraction of an ion current from a space of a high degree of vacuum into a space of a low degree of vacuum comprises interposing between the space of the high degree of vacuum and the space of the low degree of vacuum an ion current thin film formed of a member having a uniform crystal orientation and causing the ion current to pass from the space of the high degree of vacuum through the thin film into the space of the low degree of vacuum.