| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aluminum material with a suppressed impurity level, and a method for producing (refining) the same. <P>SOLUTION: The aluminum material includes 0.45 ppm or less in a total content, by atomic ratio, of lithium, beryllium, boron, sodium, magnesium, silicon, potassium, calcium, titanium, vanadium, chromium, manganese, iron, nickel, cobalt, copper, zinc, gallium, germanium, arsenic, selenium, zirconium, molybdenum, silver, cadmium, indium, tin, antimony, barium, lanthanum, cerium, platinum, mercury, lead and bismuth, and has a residual resistance ratio corrected of the size effect of 70,000-100,000. <P>COPYRIGHT: (C)2013,JPO&INPIT |
