发明名称 |
CIRCUIT BOARD AND SEMICONDUCTOR DEVICE USING THE SAME |
摘要 |
PROBLEM TO BE SOLVED: To improve the reliability of a flip-chip bonding portion.SOLUTION: A circuit board 1 comprises: a plurality of electrode portions 1e that are electrically connected to a plurality of bumps 3 provided in a semiconductor chip 2; and a plurality of openings 1d in which each of the multiple electrode portions 1e is arranged. The electrode portion 1e comprises a first electrode portion 1ea and a second electrode portion 1eb. The second electrode portion 1eb has a protrusion 1ec protruding from the first electrode portion 1ea along a bottom surface 1da of the opening 1d. The volume of the second electrode portion 1eb is larger than that of the first electrode portion 1ea. |
申请公布号 |
JP2015018837(A) |
申请公布日期 |
2015.01.29 |
申请号 |
JP20130142983 |
申请日期 |
2013.07.08 |
申请人 |
HITACHI CHEMICAL CO LTD |
发明人 |
MINO MASAYUKI;KONO TSUTOMU;SUZUKI NAOYA;TAKAHASHI HIROSHI |
分类号 |
H01L21/60 |
主分类号 |
H01L21/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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