Costruzioni Aeronautiche Giovanni Agusta S.p.a.

Francesco Porro

Walter Hotz

Cosimo Gabriele

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.

Scanning electron microscope with a chamber which can be broken down,

A method for mounting pieces inside the vacuum chamber of an electron microscope, said chamber including a fixed cup-shaped body laterally closed by a mobile closure element supporting a piece holder, and detection means disposed inside said chamber; the method providing for provision of a transparent rigid mask which reproduces the shape of said chamber and said detection means, and is to be arranged in contact with said closure element before closing it to adjust the position of the piece to be observed.

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Gallarate, Italy

Francesco Porro