|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||252/181.7 ; 252/181.2 ; 252/194|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 14 인용 특허 : 10|
A combination of getter materials particularly suitable to maintain vacuum in devices which cannot be heated at temperatures higher than about 200.degree. C. The getter comprises: a mixture MO/Pd between an oxide of a transition metal MO chosen among cobalt oxide, copper oxide or their combinations and metallic palladium, wherein the latter is present up to about 2% by weight; and a moisture sorbing material. In some applications it is possible to add to this combination a barium- and lithium-based alloy, preferably BaLi.sup.4. Getter devices for contain...
[We claim:] [1.]a cobalt oxide (Co.sub.3 O.sub.4), wherein the cobalt is present at the same time under the oxidation state II and oxidation state III, mixed with palladium forming a mixture, wherein palladium is approximately 2% wt/vt of said mixture;said mixture combined with a moisture sorbing material selected from the group of either calcium oxide, strontium oxide, barium oxide or phosphorous oxide, having a H.sub.2 O vapor pressure lower than 1 Pa at room temperature and a particle size between 50 and 500 .mu.m; andat least one sorbed gas compound ...