Before revision: Removing the package Removing the housing from a chip is typically a chemical process - a chip is so small and the parts are so microscopic that opening a housing with tools such as saws, sanders or dremels would damage the entire chip in such a way that a die shot is no longer useful.
After revision: Removing the package Removing the housing from a chip is typically a chemical process - a chip is so small and the parts are so microscopic that opening a housing with tools such as saws, sanders or dremels could damage the(also named delidding)or less chip in such a way that a die shot is no longer useful.