Getter pumping system particularly useful for linear accelerators or more generally high-volume environments, wherein a plurality of getter cartridges (100, 100′, 100″, . . . 100n) having a linear support (110, 110′, 110″, . . . 110n) and a plurality of linear heaters (120, 120′, . . . 120n) are con
Getter pumping system particularly useful for linear accelerators or more generally high-volume environments, wherein a plurality of getter cartridges (100, 100′, 100″, . . . 100n) having a linear support (110, 110′, 110″, . . . 110n) and a plurality of linear heaters (120, 120′, . . . 120n) are connected in a high-density configuration to a wall (11) that has a surface area of at least 0.5 m2.
대표청구항▼
1. An open getter pumping system comprising: a wall portion of a chamber,a plurality of getter cartridges having respective linear supports connected via one end of the respective linear supports to said wall portion without a holding or a containing case, anda plurality of linear heaters connected,
1. An open getter pumping system comprising: a wall portion of a chamber,a plurality of getter cartridges having respective linear supports connected via one end of the respective linear supports to said wall portion without a holding or a containing case, anda plurality of linear heaters connected, via a respective one end of each of the plurality of linear heaters, to said wall portion, said linear heaters coinciding with or being separate from said linear supports,whereinsaid wall portion to which said linear supports and linear heaters are connected has a surface area of at least 0.5 m2,a density of said getter cartridges is comprised between 20 and 2500 cartridges per square meter anda density of said linear heaters is comprised between 20 and 5000 heaters per square meter. 2. The open getter pumping system according to claim 1, wherein a number of getter cartridges per square meter multiplied by an average getter cartridge upper area expressed in square meters is comprised between 0.04 and 0.7. 3. The open getter pumping system according to claim 2, wherein a ratio between the number of getter cartridges and the number of linear heaters is comprised between 0.66 and 4. 4. The open getter pumping system according to claim 1, wherein the amount of getter material per cartridge ranges from 1.5 to 500 grams. 5. The open getter pumping system according to claim 1, wherein the getter cartridges comprise stacked disks of getter materials. 6. The open getter pumping system claim 1, wherein the linear heaters coincide with the linear supports of the getter cartridges. 7. The open getter pumping system according to claim 1, wherein the linear heaters are separate from the linear supports and interspersed among the getter cartridges. 8. The open getter pumping system according to claim 1, wherein an angle formed by adjacent linear supports, adjacent linear heaters or adjacent linear heaters and linear supports is equal to or less than 15°. 9. The open getter pumping system according to claim 1, wherein each of said getter cartridges and each of said linear heaters are separately removable. 10. The open getter pumping system according to claim 1, wherein the getter pumping system comprises a plurality of platform subassemblies each containing between 2 and 10 getter cartridges and between 1 and 11 linear heaters. 11. A method for evacuating a chamber having an internal surface of at least 10 m2, the method comprising: providing a plurality of getter cartridges having respective linear supports and a plurality of linear heaters, said linear heaters coinciding with or being separate from said linear supports; andmounting, without a holding or containing case, the respective linear supports, via one end of said linear supports, and the plurality of linear heaters, via one end of said linear heaters, on a wall of a chamber,whereinsaid wall has a surface area of at least 0.5 m2,a density of said getter cartridges is comprised between 20 and 2500 cartridges per square meter anda density of said linear heaters is comprised between 20 and 5000 heaters per square meter. 12. The method according to claim 11, wherein the number of getter cartridges per square meter multiplied by the average getter cartridge upper area expressed in square meters is comprised between 0.04 and 0.7. 13. An open getter pumping system comprising: a wall portion of a chamber, the wall potion having a first wall surface and a second wall surface opposite the first wall surface,a first plurality of getter cartridges having respective first linear supports connected, without a holding or containing case, to the first wall surface via one end of the respective first linear supports, the first linear supports acting as linear heaters, anda second plurality of getter cartridges having respective second linear supports connected, without a holding or containing case, to the second wall surface via one end of the respective second linear supports, the second linear supports acting as linear heaters,whereineach said first wall surface and second wall surface to which said first and second linear supports are respectively connected has a surface area of at least 0.5 m2, anda density of said getter cartridges is comprised between 20 and 2500 cartridges per square meter.
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Benvenuti, Cristoforo, Arrangement and method for improving vacuum in a very high vacuum system.
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