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:
Jan. 26, 1982
Filed:
May. 29, 1980
Applicant:
Inventors:
Assignee:
Costruzioni Aeronautiche Giovanni Agusta S.p.A., Cascina Costa Di Samarate, IT;
Primary Examiner:
Int. Cl.
CPC ...
G21K / ;
U.S. Cl.
CPC ...
250442 ; 250441 ;
Abstract
An electron microscope including a base, a frame supported by said base, a vacuum chamber supported by said frame and including a fixed cup-shaped member having a lateral aperture closed by a movable cover, the latter including a further interchangeable cup-shaped member with its concavity facing said aperture, and supported by substantially horizontal guide means rigid with said frame for moving from and towards said fixed cup-shaped member; support means being provided inside said further cup-shaped member for supporting a piece holder in an adjustable position.