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发明名称
METHOD OF PRESERVING THE SOLDERABILITY OF COPPER
摘要
Method for preserving the solderability of copper conductors by stabilizing a cleaned, mildly etched conductor surface with a phosphoric acid - glycol solution then immersing the surface in imidazole followed by a rinse to remove excess imidazole.
申请公布号
WO8300415(A1)
申请公布日期
1983.02.03
申请号
WO1982US00846
申请日期
1982.06.23
申请人
WESTERN ELECTRIC COMPANY, INC.
发明人
PARKER, JOHN, LE ROY, JR.;RANES, ROBERT, BRUCE
分类号
B23K1/20;C23F11/14;H05K3/28;(IPC1-7):05K3/22;23K1/20;23K31/02
主分类号
B23K1/20
代理机构
代理人
主权项
地址
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