Technical questions a lot, which is related to your major and field to work on. Well organized interview process by multiple people with different level and background. Interview people are expert in this field, and ask deep and in detail in related field.
They care about if you have the right skills and can make contribution to the company. The interview make take several (5 to 6) hours in a day.
Your idea about some challenge on their products.
The following metrics were computed from 12 interview experiences for the KLA Optical Engineer role in United States.
KLA's interview process for their Optical Engineer roles in the United States is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for KLA's Optical Engineer interview process in United States.