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:
Dec. 13, 1988
Filed:
Oct. 28, 1986
Applicant:
Inventors:
Assignee:
Leybold Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01K / ; H01J / ;
U.S. Cl.
CPC ...
250397 ; 250398 ; 2504921 ; 21912123 ;
Abstract
The nominal position value for the impact point of an electron beam on a medium located in a crucible is input to a device having a screen on which the contours of the crucible are represented. Light pen means establish a plurality of nominal positions of impact of the electron beam within the represented contours of the crucible.