Silicon wafer with colloidal silica deposit

Silicon wafer. Light micrograph in differen

Silicon wafer, light micrograph, 1990s.

Silicon wafer, light micrograph, 1990s.

Silicon wafer, light micrograph, 1990s.

Silicon wafer, light micrograph, 1990s.

Silicon wafer, light micrograph, 1990s.

Silicon wafer, light micrograph, 1990s.

Silicon wafer, light micrograph, 1990s.

Display of silicon crystals.

Silicon wafer with colloidal silica deposit, light micrograph, 1990s.

Silicon wafer with colloidal silica stain, light micrograph, 1990s.