{"id":1380,"date":"2022-02-11T09:47:57","date_gmt":"2022-02-11T09:47:57","guid":{"rendered":"https:\/\/novanta.com\/fr\/precision-manufacturing\/resources\/whitepapers\/percage-au-laser-rapide-et-precis-grace-a-une-tete-de-balayage-numerique-a-grande-vitesse-et-a-des-methodes-de-controle-intelligentes\/"},"modified":"2026-09-02T11:02:10","modified_gmt":"2026-09-02T11:02:10","slug":"percage-au-laser-rapide-et-precis-grace-a-une-tete-de-balayage-numerique-a-grande-vitesse-et-a-des-methodes-de-controle-intelligentes","status":"publish","type":"novanta_tech_paper","link":"https:\/\/novanta.com\/fr\/precision-manufacturing\/ressources\/documents-blancs\/percage-au-laser-rapide-et-precis-grace-a-une-tete-de-balayage-numerique-a-grande-vitesse-et-a-des-methodes-de-controle-intelligentes\/","title":{"rendered":"Per\u00e7age au laser rapide et pr\u00e9cis gr\u00e2ce \u00e0 une t\u00eate de balayage num\u00e9rique \u00e0 grande vitesse et \u00e0 des m\u00e9thodes de contr\u00f4le intelligentes"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-technical-paper-overview\">Pr\u00e9sentation de l&rsquo;article technique<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fast-and-accurate-laser-via-drilling-with-smart-scan-head-control\"><strong>Per\u00e7age laser rapide et pr\u00e9cis des vias gr\u00e2ce \u00e0 un contr\u00f4le intelligent de la t\u00eate de balayage<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>C&rsquo;est le temps de r\u00e9ponse de la t\u00eate de balayage, et non la puissance du laser, qui d\u00e9termine le d\u00e9bit de per\u00e7age des vias.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les circuits imprim\u00e9s HDI modernes et les substrats de bo\u00eetiers de semi-conducteurs n\u00e9cessitent des trous de via de 50 \u00e0 100 \u00b5m perc\u00e9s avec un pas de 200 \u00e0 400 \u00b5m et une pr\u00e9cision de positionnement de \u00b17 \u00e0 15 \u00b5m \u2014 et ce, \u00e0 des centaines de milliers par carte. \u00c0 de tels volumes, chaque microseconde de temps de pas de la t\u00eate de balayage et chaque microseconde de retard de d\u00e9clenchement du laser se cumulent pour repr\u00e9senter des heures, voire des minutes, par op\u00e9ration de per\u00e7age.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article technique, r\u00e9dig\u00e9 par six auteurs de Novanta, explique comment la t\u00eate de balayage Cambridge Technology Lightning II Plus, associ\u00e9e au contr\u00f4leur ScanMaster, optimise le d\u00e9bit de per\u00e7age des vias sur trois axes : une r\u00e9ponse en pas de 225 \u00b5s (4 400 pps \u00e0 un pas de 300 \u00b5m), deux algorithmes de contr\u00f4le intelligents (en boucle ferm\u00e9e et en boucle ouverte dynamique avec tables de correspondance \u00e0 recalibrage automatique), et un param\u00e8tre d\u2019ajustement du d\u00e9clenchement du laser permettant de gagner 8 \u00e0 10 secondes par circuit imprim\u00e9 de 500 000 trous.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-include\">Principaux points \u00e0 retenir :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi le d\u00e9bit de per\u00e7age de vias d\u00e9pend \u00e0 la fois de la r\u00e9ponse en \u00e9chelon, de l\u2019algorithme de contr\u00f4le et de la synchronisation du laser<\/li>\n\n\n\n<li>Comment le Lightning II Plus atteint une r\u00e9ponse en \u00e9chelon de 225 \u00b5s \u2014 4 400 pps avec un pas de 300 \u00b5m<\/li>\n\n\n\n<li>Quand choisir un contr\u00f4le de per\u00e7age en boucle ferm\u00e9e plut\u00f4t qu\u2019une boucle ouverte dynamique avec table de correspondance \u00e0 recalibrage automatique<\/li>\n\n\n\n<li>Le r\u00f4le du param\u00e8tre \u00ab temps de r\u00e9glage du tir laser \u00bb : un gain de 8 \u00e0 10 secondes par circuit imprim\u00e9 de 500 000 trous<\/li>\n\n\n\n<li>Un choix pratique de configuration \u00e0 double t\u00eate : division du faisceau ou commutation du faisceau<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9l\u00e9chargez le document technique complet pour d\u00e9couvrir les mesures de r\u00e9ponse en \u00e9chelon du Lightning II Plus, les d\u00e9tails des algorithmes en boucle ferm\u00e9e et en boucle ouverte du contr\u00f4leur ScanMaster, ainsi que le cadre d\u2019optimisation de la synchronisation laser qui permet aux lignes de per\u00e7age de circuits imprim\u00e9s et de bo\u00eetiers de semi-conducteurs de cumuler des gains de d\u00e9bit au niveau de la t\u00eate de balayage, du contr\u00f4leur et du laser \u2014 avant qu\u2019une machine de per\u00e7age concurrente ne d\u00e9passe la v\u00f4tre en termes de production.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation de l&rsquo;article technique Per\u00e7age laser rapide et pr\u00e9cis des vias gr\u00e2ce \u00e0 un contr\u00f4le intelligent de la t\u00eate de balayage C&rsquo;est le temps de r\u00e9ponse de la t\u00eate de balayage, et non la puissance du laser, qui d\u00e9termine le d\u00e9bit de per\u00e7age des vias. Les circuits imprim\u00e9s HDI modernes et les substrats de bo\u00eetiers [&hellip;]<\/p>\n","protected":false},"author":342,"featured_media":1042,"template":"","meta":{"_acf_changed":false,"card_thumbnail_id":0,"show_table_of_content":true},"class_list":["post-1380","novanta_tech_paper","type-novanta_tech_paper","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fast, Accurate Laser Drilling for Hypo Tube | Novanta<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment les t\u00eates de balayage num\u00e9riques \u00e0 grande vitesse permettent un per\u00e7age rapide et pr\u00e9cis des tubes hypo par d\u00e9coupe laser, tout en r\u00e9pondant aux besoins en mati\u00e8re de per\u00e7age laser de pr\u00e9cision et de marquage UDI.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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