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. 09, 1992
Filed:
Jan. 25, 1991
Applicant:
Inventors:
John A Cappelli, Malden, MA (US);
Lester F Lowe, Petersboro, NH (US);
Steven D Mittleman, Framingham, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; G01T / ;
U.S. Cl.
CPC ...
2503851 ; 250374 ;
Abstract
A dual cavity ionization chamber provides a means to measure dose enhancement factors under a wide range of conditions. The chamber can be calibrated to give an absolute dose reading for silicon, gallium arsenide, or any other material together with the associated enhancement factor.
Cappelli, John. (1992). Apparatus for direct measurement of dose enhancement (U.S. Patent No. 5120967). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5120967
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile