发明名称 |
Circuit board and electronic device |
摘要 |
An electronic device includes an electronic component including a plurality of terminals and a circuit board on which the electronic component is mounted. The circuit board includes a board body, a plurality of electrode pads arranged on the board body, each of the electrode pads being connected to each of the terminals by solder, a first solder resist formed on the board body and having a plurality of first openings, each of the first openings accommodating each of the electrode pads, and a second solder resist formed on the first solder resist and having a plurality of second openings, each of the second openings being larger than each of the first openings and communicating with each of the first openings. |
申请公布号 |
US8958211(B2) |
申请公布日期 |
2015.02.17 |
申请号 |
US201113300701 |
申请日期 |
2011.11.21 |
申请人 |
Fujitsu Limited |
发明人 |
Hiroshima Yoshiyuki;Matsui Akiko;Sugane Mitsuhiko;Mukoyama Takahide;Yamada Tetsuro;Ooi Takahiro |
分类号 |
H05K7/10;H05K1/18 |
主分类号 |
H05K7/10 |
代理机构 |
Squire Patton Boggs (US) LLP |
代理人 |
Squire Patton Boggs (US) LLP |
主权项 |
1. An electronic device comprising:
an electronic component including a plurality of terminals; and a circuit board on which the electronic component is mounted; wherein the circuit board includes: a board body, a plurality of electrode pads arranged on the board body, each of the electrode pads being connected to each of the terminals by solder, a first solder resist formed on the board body and having a plurality of first openings, each of the first openings surrounds each of the electrode pads, and a second solder resist formed on the first solder resist and having a plurality of second openings, each of the second openings being larger than each of the first openings and communicating with each of the first openings, wherein each of the first openings is larger than each of the electrode pads, and a surface of the board body is exposed from gaps between each of the electrode pads and each of the first openings. |
地址 |
Kawasaki JP |