The invention includes solder materials having low concentrations of alpha particle emitters, and includes methods of purification of materials to reduce a concentration of alpha particle emitters within the materials. The invention includes methods of reducing alpha particle flux in various lead-containing and lead-free materials through purification of the materials. The invention also includes methods of estimating the fractionation of a low concentration of one or more alpha particle emitters during purification of a material.
申请公布号
AU2003272790(A1)
申请公布日期
2004.05.04
申请号
AU20030272790
申请日期
2003.09.25
申请人
HONEYWELL INTERNATIONAL INC.
发明人
MARTIN, W. WEISER;NANCY, F. DEAN;BRETT, M. CLARK;MICHAEL, J. BOSSIO;RONALD, H. FLEMING;JAMES, P. FLINT