https://onwar.se/ 2026-09-28T05:38:16+00:00 https://onwar.se/ https://onwar.se/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-09-28T04:46:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://onwar.se/doku.php?id=embedded_machine_vision_systems_for_automotive_assembly:trends_and&rev=1790570807&do=diff Yes, transmission efficiency decreases as wafer thickness increases, and heavily doped substrates absorb more shortwave infrared light through free-carrier absorption regardless of thickness. Very thick or heavily doped wafers may require higher-power illumination or longer exposure times to maintain adequate signal, and in extreme cases dark-field scattering techniques may be more effective than straight transmission imaging.