Patents Assigned to Materitek Co. Ltd.
  • High performance rare earth-iron giant magnetostrictive materials and method for its preparation
    Patent number: 6982010
    Abstract: The present invention relates to a high performance rare earth-iron giant magnetostrictive material of the formula (Tbx1Dyx2Smx3Hox4Rx5)(Sy1Py2Fe1-y1-y2-y3Ty3)Q obtained by using an industry grade pure iron, instead of physically pure iron such as electrolyzed pure iron or hydrogen reduced pure iron, as iron source. The invention relates also to a method of preparing the giant magnetostrictive material.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: January 3, 2006
    Assignee: Materitek Co. Ltd.
    Inventor: Zheng Liu