After a Silicon Crystal with 99.99999999+% purity is grown, they are sliced into large pieces called "Wafers". Transistors are then built on top of the crystal structure. All together, these transistors create chips. Somewhere between 75 to 7500 chips are made per wafer, depending on the size of the design.

Yes, 10+ 9 purity. And the impurities in those crystals were put in there on purpose (to make N-type or P-type Silicon). I never personally understood the chemistry or physics behind the process, but its always cool thinking about how exceptionally pure this whole process is.

In any case, if a run of wafers is bad, that can easily be hundreds-of-thousands of dollars worth of chips per wafer. For whatever reason, it seems like these wafers did not have the 99.99999999% purity needed to successfully make chips, so everyone's chips are ruined. Whatever the issue is, you can rest assured that a ton of business folk are going to be pissed.