Saes Getters S.p.a.

Gianni Santella

Alessio Corazza

Diego Di Giampietro

Andrea Conte

Luca Viale

Vincenzo Massaro

Marco Urbano

Ausonio Tuissi

Antonio Bonucci

An improved mercury-dispensing combination of materials is made up of a compound A including mercury and a second metal selected among titanium, zirconium and mixtures thereof and an alloy or an intermetallic compound B including copper and tin, said mercury-dispensing combination of materials further containing an amount of oxygen comprised between 0.03% and 0.48% with respect to the overall weight of the composition A+B. It is also possible to add a getter material C that includes metals such as titanium, zirconium, tantalum, niobium, vanadium and mixtures thereof or their alloys with other metals such as nickel, iron, aluminum.

Combination of materials for mercury-dispensing devices and devices containing said combination of materials

Solar connector receiver tubes with getter systems having a substantially toroidal shape are described.

Solar collectors receiver tubes

Mercury dispensers () having a highly reduced particle loss and containing a mixture of powders of a mercury releasing compound and of a plastic metal or alloy and optionally of a getter material are described. A mercury dispensing device () has a filiform cross-section, obtained by cutting a manufactured product having the same cross-section but a higher length, and comprises a metal container () and a mixture () of powders, comprised of at least one material suitable for releasing mercury by heating and a metal or a metal alloy, said mixture being arranged inside the container. Said metal or metal alloy has a Vickers hardness lower than 130 HV, its weight percentage is lower than the 10% of the total weight of the powders mixture and the size of the powders of said metal or alloy are not bigger than the size of the other powders of the mixture.

Mercury dispensing devices with a reduced particle loss

An improved method is described for the manufacture of mercury dispenser devices to be used in fluorescent lamps, of the type wherein the dispenser material ( ) is contained inside a metal tube ( ), these dispensers providing a more uniform distribution of mercury, with lower fluctuations from one device to the other. This is obtained by a method according to which a tubular metal container ( &prime;) having a larger diameter than the final one ( ), after the filling thereof with said dispenser material ( ) is passed between at least two pairs of rollers ( &prime;) whose axes of rotation are parallel to each other and perpendicular to the advancing direction (X-X&prime;) of the tubular container ( ), until a reduction of the cross-section of the latter to the desired value is obtained, and is finally cut to the right size into the single dispenser elements

Growing community of inventors

Tornimparte, Italy

Gianni Santella