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1.发明授权Low current electrical contact comprising a layer of iron-nickel alloy and a layer of ruthenium 失效低电流电接触包含一层镍 - 镍合金和一层Ruten
公开(公告)号：US3672850A
公开(公告)日：1972-06-27
申请号：US3672850D
申请日：1970-04-13
Applicant: ROSEMARIE ELISABETH SPEIDEL , HELMUTH SPEIDEL , DIETER SPEIDEL , HERAEUS GMBH W C
Inventor： REICHELT WALTER , RUTHARDT KONRAD , SPEIDEL HERMANN
CPC classification number: H01H1/0201 , Y10S428/926 , Y10S428/928 , Y10S428/938 , Y10T428/12465 , Y10T428/12875 , Y10T428/12944 , Y10T428/12951
Abstract: RUTHENIUM (RU) IS VAPOR DEPOSITED DIRECTLY ON A SPRINGY MAGNETIC CONTACT CARRIER OF IRON-NICKEL ALLOY, AT PRESSURES OF LESS THAN 10**-1, AND PREFERABLY LESS THAN 10**-4, MM. HG TO FORM ADJACENT CRYSTAL COLUMNS EXTENDING IN A DIRECTION ESSENTIALLY PERPENDICULAR TO THE SURFACE OF THE CONTACT CARRIER FACING THE RUTHENIUM CONTACT LAYER.
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