熱壓縮法焊接微凸倒裝晶片

For reasons that I will discuss in a post later this year, a common factor that is emerging in the area of copper-pillar microbump 2.5D and 3D joining, is the adoption of thermocompression (TC) bonding for flip-chip flux/microbump soldering. TC bonding is now being predominantly adopted instead of reflow. Some of you may have the same response as I got at iMAPS 2011 from one well-known expert in packaging technology. He looked askance at me when I mentioned TC bonding for flip-chip and retorted: “That’s for bonding wafers, not soldering flip-chips!”. Even good old Wikipedia (at time of writing) seems to have the same problem – basically that the industry usage of the term has moved into the packaging arena.

I spent a little time talking to people in the industry and on Google putting together a buyer’s guide for those of you looking at who-is-doing-what in TC bonding. This is just a prototype guide and necessarily incomplete – if I have missed your company out then I apologize, and will add it in: just give me all the details!

歡呼! Andy

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