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:
Nov. 20, 1990
Filed:
Jan. 03, 1990
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250281 ; 250256 ; 3131 / ;
Abstract
A post-acceleration detector for a mass spectrometer comprises a conversion electrode bombarded by an ion beam thereby emitting charged particles having a polarity opposite to that of the ion beam, a charged particle detector amplifying and detecting the charged particles, and a mechanism for moving the conversion electrode relative to the charged particle detector according to the energy of the ion beam.
Taya, Shunroku. (1990). Post-acceleration detector for mass spectrometer (U.S. Patent No. 4972083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4972083
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile