{"id":749,"date":"2026-03-17T15:27:32","date_gmt":"2026-03-17T07:27:32","guid":{"rendered":"https:\/\/lighte.gongjionline.cn\/cus_case\/jing-yuan-hou-du-yu-ttv-gao-jing-du-ce-liang\/"},"modified":"2026-07-14T17:03:55","modified_gmt":"2026-07-14T09:03:55","slug":"wafer-thickness-ttv-measurement","status":"publish","type":"case","link":"https:\/\/www.lightegroup.com\/es\/case\/wafer-thickness-ttv-measurement\/","title":{"rendered":"Medici\u00f3n de alta precisi\u00f3n del espesor de la oblea y del TTV"},"content":{"rendered":"<p>En el proceso de fabricaci\u00f3n y adelgazamiento de obleas, el espesor total de la oblea y la TTV (Variaci\u00f3n Total del Espesor) son par\u00e1metros clave que afectan la alineaci\u00f3n en la fotolitograf\u00eda y el rendimiento del empaquetado. La medici\u00f3n por contacto tradicional es ineficiente y conlleva el riesgo de rayar la superficie de la oblea. LightE utiliza una soluci\u00f3n de medici\u00f3n \u00f3ptica sin contacto para realizar un escaneo de altura de alta precisi\u00f3n sobre la superficie de la oblea, logrando as\u00ed una medici\u00f3n estable del espesor de la oblea y de la TTV, garantizando la exactitud de las mediciones mientras se evita da\u00f1ar la oblea.<\/p>","protected":false},"featured_media":1313,"template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"High-precision measurement of wafer thickness and TTV - LightE Application","_seopress_titles_desc":"In the wafer manufacturing and thinning process, the overall thickness of the wafer and TTV (Total Thickness Variation) are key parameters that affect pho...","_seopress_robots_index":"","_seopress_analysis_target_kw":""},"class_list":["post-749","case","type-case","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.lightegroup.com\/es\/wp-json\/wp\/v2\/case\/749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lightegroup.com\/es\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/www.lightegroup.com\/es\/wp-json\/wp\/v2\/types\/case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lightegroup.com\/es\/wp-json\/wp\/v2\/media\/1313"}],"wp:attachment":[{"href":"https:\/\/www.lightegroup.com\/es\/wp-json\/wp\/v2\/media?parent=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}