|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||62/461 ; ; 67/451|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 9 인용 특허 : 6|
A device for maintaining a vacuum in a thermally insulating jacket is described. The device comprises a container formed of a gas-tight material, preferably aluminum, which has an opening to the atmosphere. Inside the container is a first pellet comprising a powder of a Ba-Li alloy getter material. Arranged above, and completely covering, the first pellet is a second pellet comprising a powder of a drying material, optionally including the oxide of a noble metal and a material to prevent contraction of the drier. A process for manufacturing such a device...
A device for maintaining a vacuum in an enclosed space, comprising: a) a substantially gas-impermeable container having open and closed ends, b) a first pellet formed of a getter material including a Ba-Li alloy, said first pellet being located in said container proximate to said closed end; and c) a second pellet including a drying agent, said second pellet being located in said container proximate to said open end, said second pellet covering substantially said first pellet, said first and second pellets being compacted at a pressure effective to provi...