Process of fabricating beryllium plate member with large mechani

Details Process of fabricating beryllium plate member with large mechani Process of fabricating beryllium plate member with large mechani

1989-04-14

1991-05-21

Morris, Theodore

Metal treatment

Compositions

Heat treating

295272, 295277, 2505051, C21D 812, G21K 100, B23P 1704, B23P 2500

Patent

active

050172450

ABSTRACT:
A method for fabricating a beryllium or a beryllium alloy thin plate member for uses requiring great mechanical strength, such as X-ray aligners. A beryllium or a beryllium alloy is deposited on a base structure, and the base structure is then etched away to leave the thin film. However, bubbles or hollow spaces form in the thin film during the deposition stage. The thin film is shaped by using hot rolling, thereby improving the density and accordingly the mechanical strength.

REFERENCES:
patent: 3657804 (1972-04-01), Krock et al.
patent: 3895671 (1975-07-01), Suzuki
patent: 4847981 (1989-07-01), Suzuki et al.

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