{"id":21857,"date":"2025-11-27T16:15:45","date_gmt":"2025-11-27T16:15:45","guid":{"rendered":"https:\/\/pureon.com\/?p=21857"},"modified":"2025-12-01T12:14:02","modified_gmt":"2025-12-01T12:14:02","slug":"alumagem-fortschritt-in-der-politur-von-kalciumfluorid","status":"publish","type":"post","link":"https:\/\/pureon.com\/de\/alumagem-fortschritt-in-der-politur-von-kalciumfluorid\/","title":{"rendered":"AlumaGem: Fortschritt in der Politur von Kalciumfluorid"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21857\" class=\"elementor elementor-21857 elementor-21848\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4c5662b elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"4c5662b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-60802f9\" data-id=\"60802f9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b35f98 elementor-widget elementor-widget-heading\" data-id=\"2b35f98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">AlumaGem: Fortschritt in der Politur von Kalciumfluorid<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b506a4b elementor-widget elementor-widget-image\" data-id=\"b506a4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27.jpg\" class=\"attachment-full size-full wp-image-21853\" alt=\"\" srcset=\"https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27.jpg 1920w, https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27-300x169.jpg 300w, https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27-1024x576.jpg 1024w, https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27-768x432.jpg 768w, https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27-1536x864.jpg 1536w, https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27-200x113.jpg 200w, https:\/\/pureon.com\/wp-content\/uploads\/2025\/11\/alumagem_2025-11-27-600x338.jpg 600w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de1203b elementor-widget elementor-widget-text-editor\" data-id=\"de1203b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"cf0\">In der modernen Optikfertigung ist Pr\u00e4zision nicht optional <\/span><span class=\"cf1\">\u2013 sie bildet die Grundlage. Unter den Materialien, die die Branche pr<\/span><span class=\"cf0\">\u00e4gen, sticht <\/span><span class=\"cf0\">Kalciumfluorid<\/span><span class=\"cf0\"> (<\/span><span class=\"cf0\">CaF<\/span><span class=\"cf1\">\u2082) mit seinem aussergew<\/span><span class=\"cf0\">\u00f6hnlichen optischen Spektrum hervor: Es \u00fcbertr\u00e4gt Licht von ultraviolett bis infrarot mit minimaler Absorption. Diese Eigenschaften machen es unverzichtbar in Lasersystemen, der Spektroskopie, der W\u00e4rmebildtechnik und der Luft- und Raumfahrtoptik. Gleichzeitig gelten seine weiche Struktur und kristalline Natur als herausfordernd in der Politur. Konventionelle Prozesse, die f\u00fcr h\u00e4rtere Materialien wie Quarzglas oder BK7 entwickelt wurden, f\u00fchren hier oft zu Oberfl\u00e4chenfehlern und inkonsistenten Ergebnissen. Genau an diesem Punkt setzt <\/span><span class=\"cf0\">Pureons<\/span> <span class=\"cf0\">AlumaGem<\/span><span class=\"cf0\">-Plattform an.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f0e109b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0e109b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1934a29\" data-id=\"1934a29\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c1a10a4 elementor-widget elementor-widget-text-editor\" data-id=\"c1a10a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><span class=\"cf0\">Der AlumaGem-Vorteil<\/span><\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f94f67 elementor-widget elementor-widget-text-editor\" data-id=\"4f94f67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ziel war es, einen schnellen Polierprozess zu entwickeln, der Schleifsch\u00e4den entfernt und gleichzeitig eine aussergew\u00f6hnlich geringe Oberfl\u00e4chenrauheit \u00fcber grobe wie auch intermedi\u00e4re Polierstufen erzielt. Das Ergebnis ist ein Prozess, der nicht nur die Sensitivit\u00e4t von Kalciumfluorid ber\u00fccksichtigt, sondern sie gezielt nutzt.<\/p><p>AlumaGem kombiniert pr\u00e4zise klassierte Diamant- und Alumina-Schleifmittel in einem optimierten Tr\u00e4gerfluid. Dieses duale Schleifmittelsystem erm\u00f6glicht eine Feinabstimmung \u00fcber mehrere Phasen der Polierreihenfolge. Durch die Anpassung der Partikelgr\u00f6sse kann dieselbe Plattform nahtlos vom Materialabtrag bis zur finalen Politur eingesetzt werden \u2013 dies verbessert die Prozesskonsistenz, reduziert Komplexit\u00e4t und erh\u00e4lt dar\u00fcber hinaus hohe Durchsatzraten, ohne die Oberfl\u00e4chenqualit\u00e4t zu beeintr\u00e4chtigen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5775804 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5775804\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eb8f511\" data-id=\"eb8f511\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-96a251b elementor-widget elementor-widget-text-editor\" data-id=\"96a251b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Prozessvalidierung<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fcb2d0f elementor-widget elementor-widget-text-editor\" data-id=\"fcb2d0f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Die Entwicklungsversuche wurden mit 50,8 mm \u00d7 3 mm CaF\u2082-Rohlingen (Crystran) auf einem Lapmaster-12-Poliersystem durchgef\u00fchrt. Verschiedene Polierpads, darunter MHS15S, SUBA IV und POLITEX, boten jeweils unterschiedliche Kompressibilit\u00e4ts- und H\u00e4rteprofile. Die Oberfl\u00e4chenrauheit wurde mit einem ZeGage Pro HR Coherence Scanning-Interferometer gemessen, das pr\u00e4zise 3D-Topografiedaten an mehreren Messpunkten (Zentrum, Mid-Radius und Rand) liefert.<\/p><p><strong>Die Ergebnisse<\/strong><\/p><ul><li><strong>Geschwindigkeit und Konsistenz:<\/strong> Eine Druckerh\u00f6hung von 0,3 psi auf 1,6 psi f\u00fchrte zu einer 3,5-fach h\u00f6heren Materialabtragsrate ohne Qualit\u00e4tsverlust.<\/li><li><strong>Prozessstabilit\u00e4t:<\/strong> Auch bei h\u00f6herem Druck zeigten die polierten Oberfl\u00e4chen gleichm\u00e4ssige und niedrige Rauheitswerte.<\/li><li><strong>Diamant macht den Unterschied:<\/strong> Formulierungen mit Diamant erzielten h\u00f6here Abtragsraten bei gleicher Oberfl\u00e4chenqualit\u00e4t wie Versionen ohne Diamant.<\/li><li><strong>Optimierter Zweistufenprozess:<\/strong><\/li><li>3 \u00b5m AlumaGem\u00ae auf MHS-Pad bei 1,6 psi<\/li><li>0,25 \u00b5m AlumaGem\u00ae auf POLITEX-Pad bei 0,3 psi<\/li><\/ul><p>Bisher wurde in Fachliteratur empfohlen, niedrigeren Druck f\u00fcr CaF\u2082 anzuwenden, um Subsurface-Damage und Oberfl\u00e4chendefekte zu vermeiden. Die Ergebnisse von Pureon stellen diese Annahme in Frage. H\u00f6herer Druck erh\u00e4lt nicht nur die Oberfl\u00e4chenqualit\u00e4t, sondern verbessert die Abtragsrate deutlich. Ebenso erzielten AlumaGem-Suspensionen mit Diamant signifikant h\u00f6here Effizienz als identische Formulierungen ohne Diamant, bei gleicher niedriger Rauheit. Dies zeigt, dass hohe Leistungsf\u00e4higkeit keinen Kompromiss mehr verlangt.<\/p><p>Diese Kombination entfernt Schleifsch\u00e4den effektiv und erzeugt eine glatte, fehlerfreie Oberfl\u00e4che. Sie beweist, dass h\u00f6herer Druck, einst als ungeeignet f\u00fcr CaF\u2082 angesehen, tats\u00e4chlich Effizienz und Prozesssicherheit steigern k\u00f6nnen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ec4facb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ec4facb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-135db15\" data-id=\"135db15\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6e3ccb9 elementor-widget elementor-widget-text-editor\" data-id=\"6e3ccb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Eine Plattform f\u00fcr Pr\u00e4zision<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7def98d elementor-widget elementor-widget-text-editor\" data-id=\"7def98d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Der Erfolg von AlumaGem demonstriert Pureons vertikal integriertes Innovationsmodell: interne Forschung, Anwendungstests und enge Kundenkooperation entlang der gesamten Wertsch\u00f6pfungskette der Oberfl\u00e4chenbearbeitung. Das Ergebnis ist mehr als ein Produkt \u2013 es ist eine verl\u00e4ssliche, datenbasierte Prozessbasis f\u00fcr die n\u00e4chste Generation der Pr\u00e4zisionsoptik.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>AlumaGem: Fortschritt in der Politur von Kalciumfluorid In der modernen Optikfertigung ist Pr\u00e4zision nicht optional \u2013 sie bildet die Grundlage. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":21861,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54,47],"tags":[],"class_list":["post-21857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-einblicke","category-unkategorisiert"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AlumaGem: Fortschritt in der Politur von Kalciumfluorid<\/title>\n<meta name=\"description\" content=\"AlumaGem erm\u00f6glicht eine schnellere, reibungslose und zuverl\u00e4ssige Politur von Kalciumfluorid f\u00fcr h\u00f6chste Pr\u00e4zision in der Optikfertigung.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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