{"id":30726,"date":"2018-01-01T23:02:33","date_gmt":"2018-01-01T23:02:33","guid":{"rendered":"https:\/\/silvaco.com\/%eb%b6%84%eb%a5%98%eb%90%98%ec%a7%80-%ec%95%8a%ec%9d%8c\/using-tcad-to-reverse-engineer-a-2n2222-bjt-for-proton-damage-simulations\/"},"modified":"2026-10-15T15:03:42","modified_gmt":"2026-10-15T22:03:42","slug":"using-tcad-to-reverse-engineer-a-2n2222-bjt-for-proton-damage-simulations","status":"publish","type":"post","link":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/using-tcad-to-reverse-engineer-a-2n2222-bjt-for-proton-damage-simulations\/","title":{"rendered":"Using TCAD to Reverse Engineer a 2N2222 BJT for Proton Damage Simulations"},"content":{"rendered":"<p><strong>Section 1.0 &#8211; Introduction<\/strong><\/p>\n<p>It is often the case, that an Engineer is required to simulate environmental effects on a device manufactured by a third party.\u00a0 In such an event, the first issue that is faced by the Engineer, is a lack of access to the manufacturing process that created the third party device in the first place.\u00a0 In this article, it is shown how to overcome this first issue, and reverse engineer a sufficiently representative base device, simply from the manufacturer\u2019s specification sheet.\u00a0 Once a satisfactory device has been fabricated, it can be used in the required simulation to analyze any effects of interest.\u00a0 In this particular case, we will demonstrate the damaging effects of irradiating a 2N2222A bipolar transistor with a proton flux and compare the simulated results with other similar measured results.<\/p>\n<p><strong>Section 2.0 &#8211; Reverse Engineering the 2N2222 Bipolar Transistor from it\u2019s Specifications<\/strong><\/p>\n<p>The first step in reverse engineering a bipolar transistor from specification, is to obtain the doping concentration of the three regions, emitter, base and collector, from the breakdown voltage specifications.\u00a0 Several manufacturers advertise a 2N2222 transistor, so in this case, the ON Semiconductor version was randomly chosen.<\/p>\n<p><img loading=\"lazy\" width=\"782\" height=\"1012\" src=\"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018.jpg\" class=\"cleaned-enfold-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018.jpg 782w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018-232x300.jpg 232w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018-768x994.jpg 768w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018-545x705.jpg 545w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018-29x37.jpg 29w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018-43x55.jpg 43w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/02\/simstd_Q1_a2_2018-37x48.jpg 37w\" sizes=\"auto, (max-width: 782px) 100vw, 782px\" \/><\/p>\n<p><a href=\"https:\/\/silvaco.com\/dynamicweb\/jsp\/downloads\/DownloadDocStepsAction.do?req=download&#038;nm=simstd_Q1_2018_a2.pdf\" class=\"BGT-btn\" target=\"_blank\" rel=\"noopener noreferrer\">Download Simulation Standard<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It is often the case, that an Engineer is required to simulate environmental effects on a device manufactured by a third party.\u00a0 In such an event, the first issue that is faced by the Engineer, is a lack of access to the manufacturing process that created the third party device in the first place.\u00a0 In this article, it is shown how to overcome this first issue, and reverse engineer a sufficiently representative base device, simply from the manufacturer\u2019s specification sheet.\u00a0 Once a satisfactory device has been fabricated, it can be used in the required simulation to analyze any effects of interest.\u00a0 In this particular case, we will demonstrate the damaging effects of irradiating a 2N2222A bipolar transistor with a proton flux and compare the simulated results with other similar measured results.<\/p>\n","protected":false},"author":5,"featured_media":19824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[7486],"tags":[],"class_list":["post-30726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-simulation-standard-ko","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - 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