Comment by krisoft

Comment by krisoft 5 days ago

2 replies

Wait, wait. In the context of semiconductor manufacturing packaging does not mean what you think it means. It is not putting the product in a paper box.

It is about cutting the wafer into individual chips, wire bonding the silicone to pins, and covering the whole thing with epoxy.

Here is a video which explains it better: https://www.youtube.com/watch?v=7gg2eVVayA4

It would be indeed crazy if they would ship the ready chips to Taiwan just to be put in a paper box.

basically the input of the process is a wafer which looks like this: https://waferpro.com/wp-content/uploads/2016/08/Patterned-Lo...

And the output of the process is something which looks like this: https://res.cloudinary.com/rsc/image/upload/b_rgb:FFFFFF,c_p...

zeusk 5 days ago

The packaging in this context is not wire bonding but CoWoS - chip-wafer and wafer-wafer bonding.

  • krisoft 5 days ago

    You are correct. I was just illustrating what kind of processes belong to the umbrella term "packaging" in the context of semiconductor manufacturing. Was not talking about what particular process are missing from the Arizona facility.

    But you are right on that it is CoWoS which is the missing ingredient.