Testing
As polished
An image of a sample surface that has been ground and polished to a smooth, reflective finish but not yet etched, to examine features such as inclusions, , or thickness that etching would otherwise obscure.
Testing
An image of a sample surface that has been ground and polished to a smooth, reflective finish but not yet etched, to examine features such as inclusions, , or thickness that etching would otherwise obscure.