{"id":29280,"date":"2026-08-18T21:57:04","date_gmt":"2026-08-18T19:57:04","guid":{"rendered":"https:\/\/www.heliotis.com\/tutorials2\/surface-characterization-with-3d-metrology\/"},"modified":"2026-08-18T22:16:04","modified_gmt":"2026-08-18T20:16:04","slug":"surface-characterization-with-3d-metrology","status":"publish","type":"tutorial","link":"https:\/\/www.heliotis.com\/en\/tutorial\/surface-characterization-with-3d-metrology\/","title":{"rendered":"Surface Characterization with 3D Metrology"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">This tutorial provides an overview of three central areas of surface characterization: surface imperfections according to ISO 8785, profile-based roughness measurements according to ISO 21920, and areal 3D surface measurements according to ISO 25178. It highlights the differences between these approaches and the capabilities of modern optical 3D metrology. <\/p>\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls=\"\" poster=\"https:\/\/www.heliotis.com\/wp-content\/uploads\/2026\/08\/Slide08_4K-scaled-e1787083319813.webp\" src=\"https:\/\/www.heliotis.com\/wp-content\/uploads\/2026\/08\/surface_characterization.mp4\"><\/video><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>This tutorial provides an overview of three central areas of surface characterization: surface imperfections according to ISO 8785, profile-based roughness measurements according to ISO 21920, and areal 3D surface measurements according to ISO 25178. It highlights the differences between these approaches and the capabilities of modern optical 3D metrology.<\/p>\n","protected":false},"author":4,"featured_media":29157,"template":"","wpdmcategory":[],"wpdmtag":[],"measurement_type":[],"application_area":[],"class_list":["post-29280","tutorial","type-tutorial","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Surface Characterization with 3D Metrology - Heliotis AG<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.heliotis.com\/en\/tutorial\/surface-characterization-with-3d-metrology\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Surface Characterization with 3D Metrology - Heliotis AG\" \/>\n<meta property=\"og:description\" content=\"This tutorial provides an overview of three central areas of surface characterization: surface imperfections according to ISO 8785, profile-based roughness measurements according to ISO 21920, and areal 3D surface measurements according to ISO 25178. 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