NONEVAPORATION-TYPE GETTER ALLOY
    1.
    发明专利

    公开(公告)号:JPH10324937A

    公开(公告)日:1998-12-08

    申请号:JP10716398

    申请日:1998-04-03

    Applicant: GETTERS SPA

    Abstract: PROBLEM TO BE SOLVED: To provide a nonevaporation-type getter alloy which can be used for general purposes and has freedom from danger to environment or safety. SOLUTION: This getter alloy is a nonevaporation-type getter alloy containing one or plural components selected from zirconium, cobalt, yttrium, lanthanum, and rare earth elements. Moreover, this getter alloy has a compositional range enclosed with a polygon defined by the following points (a), (b), (c), and (d) in the ternary diagram of weight composition: (a) Zr 81%-Co 9%-A 10%; (b) Zr 68%-Co 22%-A 10%; (c) Zr 74%-Co 24%-A 2%; (d) Zr 88%-Co 10%-A 2%, where A is a component selected from yttrium, lanthanum, rare earth elements, and mixtures thereof.

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