Coplanarity Inspection of Ball Grid Array Using Phase-Shifted Interferometry

碩士 === 國立成功大學 === 電機工程學系 === 88 === In order to increase the functionality of IC-chips, the requirement of high pin count was also increased. Then the BGA packaging technique was developed and used widely. The major problem of surface mounting is the coplanarity of the BGA solder balls. Poor coplana...

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Bibliographic Details
Main Authors: Cheng-Hung Chou, 周建宏
Other Authors: Shen-Chuan Tai
Format: Others
Language:en_US
Published: 2000
Online Access:http://ndltd.ncl.edu.tw/handle/25448365204433647714