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Low frequency broadband multi-layer absorbing small machine unit plane array for use in submarine, has acoustic material layer and array main body arranged on multi-supporting pole fixing plate by using bonding process. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  MEI Y WANG X
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/09
Intermetallic compound bonding method used for three-dimensional package chip stack, comprises putting solder and filler metal on both sides of metal bumps, heating, and brazing. 专利
申请日期: 2015-01-01, 公开日期: 2015-06-17
作者:  HUANG M MA H ZHAO J ZHAO N ZHONG Y
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/09


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