{"id":382231,"date":"2024-09-10T20:27:37","date_gmt":"2024-09-10T20:27:37","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/3um-width-and-2-um-spacing-differential-lines-using-hfss-3d-2\/"},"modified":"2024-09-11T16:09:32","modified_gmt":"2024-09-11T16:09:32","slug":"3um-width-and-2-um-spacing-differential-lines-using-hfss-3d-2","status":"answered","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/3um-width-and-2-um-spacing-differential-lines-using-hfss-3d-2\/","title":{"rendered":"3um width and 2 um spacing Differential lines using HFSS 3D"},"content":{"rendered":"<p>&lt;p&gt;Hi&nbsp;&lt;\/p&gt;&lt;p&gt;I simulated 3um width differential lines with 2um spacing on&nbsp; a substrate containing 1um SiO2 and 100um Silicon using HFSS 3D.&nbsp;&lt;\/p&gt;&lt;p&gt;I have attached the E-field from the simulation, which sees a total reflection away from the substrate. So the simulation is not right.&lt;\/p&gt;&lt;p&gt;How do I set up the simulation right? I do not see this issue in ADS Momentum. <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/10-09-2024-1726000025-ansys_DL.PNG\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-382231","topic","type-topic","status-answered","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["128.194.2.172"],"_btv_view_count":["52"],"_bbp_topic_status":["answered"],"_bbp_subscription":["200"],"_bbp_status":["publish"],"_edit_lock":["1726070944:61299"],"_bbp_topic_id":["382231"],"_bbp_forum_id":["27793"],"_bbp_engagement":["200"],"_bbp_voice_count":["1"],"_bbp_last_reply_id":["382258"],"_bbp_last_active_id":["382258"],"_bbp_last_active_time":["2024-09-11 05:27:15"]},"test":"kirthikatamu-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/382231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/382231\/revisions"}],"predecessor-version":[{"id":382362,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/382231\/revisions\/382362"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=382231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}