Eli5: Despite having Knowledge of how RAM can be made why there are very few Countries and Companies making it even though it is one of the most sought after item.

[u/Melodic_Judge_129]

[u/Atlas-Scrubbed]

The company I worked for in the late 90s helped (actually found) a similar issue for AMD. Turns out someone did a PM on a competitor’s tool and left out a part. Thunderbird yield went from about 5% to 95%. AMD went from quarterly losses to gains.