Saes Getters S.p.a.

Sas Getters S.p.a.

Alessandro Gallitognotta

Alessio Corazza

Alberto Coda

Claudio Boffito

Andrea Conte

Luca Toia

Vincenzo Massaro

Antonio Bonucci

Mario Porro

Lorena Cattaneo

Richard C Kullberg

Michael L Ferris

Paola Baronio

Bruno Ferrario

Paolo Manini

Stefano Tominetti

Diego Di Giampietro

Simona Pirola

Fabrizio Siviero

Magda Bovisio

Costanza Dragoni

Debora Caccia

Tommaso Porcelli

Luca Mauri

The present invention relates to cathodes electrodes compositions suitable to provide a pumping mechanism which exhibits an extremely high pumping speed and capacity of noble gas suitable to be used in several vacuum devices as for example sputter ion vacuum pumping systems comprising them as active element.

Sintered non-porous cathode and sputter ion vacuum pump containing the same

Getter devices with improved sorption rate based on powders of ternary alloys particularly suitable for hydrogen and carbon monoxide sorption are described, said alloys having a composition comprising zirconium, vanadium and aluminum as main constituent elements.

Non-evaporable getter alloys particularly suitable for hydrogen and carbon monoxide sorption

Getter devices with improved sorption rate, based on powders of quaternary alloys particularly suitable for hydrogen and carbon monoxide sorption, are described. Quaternary alloys having a composition comprising zirconium, vanadium, titanium and aluminum as main constituent elements are also described.

Compositions containing a mixture of non-evaporable getter alloys are described. The compositions, after having lost their functionality in consequence of the exposure to reactive gases at a first temperature, can then be reactivated through a thermal treatment at a second temperature that is lower than the first one.

Non-evaporable getter compositions which can be reactivated at low temperature after exposure to reactive gases at a higher temperature

A composition of precursors for the release of vapors of alkali or alkali-earth metals is described. The composition has at least a compound of alkali or alkali-earth metal, at least a reducing agent and optionally an absorbing material, all in the form of powders, dispersed in a viscous matrix of hybrid organic-inorganic type. Dispensers for the release of these metals obtained through the composition and micro-electronic devices are also described.

Organic-inorganic composition for the vapour release of alkali or alkali-earth metals

Getter materials are described. The getter materials have non-evaporable getter alloys in their powder form having high gas sorption efficiency, particularly for hydrogen, carbon oxide and nitrogen, which after having lost their functionality in consequence of the exposure to reactive gases at a first temperature, can then be reactivated through a thermal treatment at a temperature between 400&#xb0; C. and 600&#xb0; C. The alloy powders have as compositional elements titanium and silicon and at least one additional metallic element selected among vanadium, iron and aluminum and have an atomic percentage composition of the elements which can vary within the following ranges: 1. Titanium from 60 to 85 atomic percentage; 2. Silicon from 1 to 20 atomic percentage; and 3. The sum of vanadium, iron and aluminum from 10 to 30 atomic percentage.

Non-evaporable getter alloys reactivable after exposure to reactive gases

Getter devices based on powders of alloys particularly suitable for hydrogen and nitrogen sorption are described. Such alloys have a composition including zirconium, vanadium, titanium and, optionally, one or more elements selected from iron, chromium, manganese, cobalt, nickel and aluminum.

Non-evaporable getter alloys particularly suitable for hydrogen and nitrogen sorption

Discharge lamps containing improved starting amalgam are described. A method to increase the mercury vapor pressure during discharge lamp start-up is also described.

Lamp containing an improved starting amalgam

An improved mercury dosing composition is described. A method for dispensing mercury with this composition and to discharge lamps containing each composition is also described.

Mercury dosing composition

Getter alloys particularly suitable for hydrogen sorption are described. The getter alloys include a first element consisting of yttrium or a yttrium equivalent mixture, the first element forming at least 30% by atoms of the alloy. A method for removing hydrogen from devices which are sensitive to the presence thereof and hydrogen-sensitive devices which contain the described getter alloys are also described.

Method for the removal of hydrogen from a hydrogen sensitive device by means of a non-evaporable yttrium based getter alloy

A method includes releasing mercury in devices requiring mercury, in particular fluorescent lamps. The method includes the use of manganese-mercury compositions.

Mercury releasing method

Magnesium-copper compositions are used for the evaporation of magnesium and container up to 43.34% by weight magnesium.

Use of magnesium-copper compositions for the evaporation of magnesium and magnesium dispensers

Compositions are disclosed comprising mercury, titanium, copper and one or more of tin, chromium and silicon, useful for the release of mercury in applications requiring the same, in particular in fluorescent lamps. A process for the preparation of these compositions is also disclosed.

Mercury dispensing compositions and manufacturing process thereof

Non-evaporable getter alloys, such as Y 75%-Mn 15%-Al 10%, are provided and can be activated at relatively low temperatures and have good properties in sorbing a wide variety of gases, particularly hydrogen.

Non-evaporable getter alloys based on yttrium for hydrogen sorption

Compositions and devices for gas sorption are provided that can be activated just before their use, which hence do not need storing under inert atmosphere during storage and transportation.

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Origgio, Italy

Alessandro Gallitognotta