发明名称 |
Tray for ball grid array devices |
摘要 |
A tray is adapted to receive a plurality of ball grid array devices therein, and includes a base plate having a device-receiving portion and a peripheral portion around the device-receiving portion. The device-receiving portion has a top side formed with a device-receiving recess. The top side of the device-receiving portion is further formed with a partition unit in the device-receiving recess for dividing the device-receiving recess into a plurality of cavities adapted for receiving the ball grid array devices respectively therein. The device-receiving portion further has a bottom side formed with a plurality of openings. Each of the openings is aligned with a corresponding one of the cavities and is adapted to receive an array of ball contacts formed on a bottom side of the ball grid array device that is disposed in the corresponding one of the cavities therein. The openings are grouped into a set of first openings remote from the peripheral portion and a set of second openings surrounding the first openings and adjacent to the peripheral portion. Guard strips are formed on the bottom side of the device-receiving portion and are disposed solely and respectively in the second openings.
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申请公布号 |
US6116427(A) |
申请公布日期 |
2000.09.12 |
申请号 |
US20000494891 |
申请日期 |
2000.01.31 |
申请人 |
SILICON INTEGRATED SYSTEMS CORP. |
发明人 |
WU, CHUNG-JU;LIN, WEI-FENG;TSAI, CHEN-WEN |
分类号 |
H01L21/673;H05K13/00;(IPC1-7):B65D73/02 |
主分类号 |
H01L21/673 |
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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