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发明名称
印刷电路板及印刷电路板的制造方法
摘要
提供一种可以在焊料光阻之开口径相异之连接衬垫形成约略等高之接脚的印刷电路板制造方法。使由搭载于焊料光阻层70之小径开口71S之软鑞接脚77所形成之高度高的小径接脚78S平坦化,并使其与大径开口71P之软鑞接脚78P相同。小径开口71S之软鑞接脚78S与大径开口71P之软鑞接脚78P由于软鑞接脚量相同的缘故,所以在小径开口71S之软鑞接脚78S未产生连接,而可以确保IC晶片90与多层印刷电路板10之连接信赖性。
申请公布号
TW200742515
申请公布日期
2007.11.01
申请号
TW096103191
申请日期
2007.01.29
申请人
揖斐电股份有限公司
发明人
丹野克彦;川村洋一郎
分类号
H05K3/34(2006.01)
主分类号
H05K3/34(2006.01)
代理机构
代理人
洪澄文
主权项
地址
日本
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