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:
Apr. 28, 1981
Filed:
Jun. 29, 1979
Applicant:
Inventors:
G V Chandrashekhar, Mahopac, NY (US);
Praveen Chaudhari, Briarcliff Manor, NY (US);
Jerome J Cuomo, Lincolndale, NY (US);
Richard J Gambino, Yorktown Heights, NY (US);
James M Harper, Yorktown Heights, NY (US);
Assignee:
International Business Machines Corportion, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; H01J / ;
U.S. Cl.
CPC ...
250288 ; 250359 ; 2504 / ;
Abstract
The present invention describes an ion source which is capable of producing relatively high density ion currents. The ion source employs an electrically biased ionic conductor to supply ions from a reservoir of the atomic species.