https://lib.naknow.eco/ 2026-07-15T03:13:51+00:00 https://lib.naknow.eco/ https://lib.naknow.eco/lib/exe/fetch.php?media=wiki:logo.svg text/html 2026-07-09T19:05:00+00:00 eric.fourboul.ext (eric.fourboul.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?id=front-end.md&rev=1783623900&do=diff Front-end processes 1. Cleaning Processes 1.1. RCA clean 1.1.1. Preliminary cleaning The preliminary cleaning step is primordial to kickstart the other cleaning processes. The purpose is to remove large impurities that might be present on the pre-processed wafer. $$ S_x + 2H_2SO_4→ 3SO_2 + 3H_2O $$$$ SiO_2​+6HF→H_2​SiF_6​+2H_2​O $$$$ Cu²⁺ + 4 NH₄OH → [Cu(NH₃)₄]²⁺ + 4 H₂O $$$$ CₓHᵧ + H₂O₂ → CO₂ + H₂O $$$$ M_x + 2HCL→ M_xCL_2 + 2H^+ $$$$ SiO_2 + 4 HF → SiF_4 + H_2O $$$$ H₂SO₄ + H₂O₂… text/html 2026-07-07T17:53:10+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?id=intro_wafer&rev=1783446790&do=diff Wafer WG status This working group focuses on the life cycle inventory of semiconductor manufacturing. We look specifically at wafer and photomask manufacturing, front-end and back-end processes for logic and memory devices . Tasks status WG tracks text/html 2026-07-07T13:56:41+00:00 lucas.burlot.ext (lucas.burlot.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?id=intro_pcb&rev=1783432601&do=diff Printed Circuit Boards (PCB) A Printed Circuit Board is an electronic component at the center of most electronic devices. It allows the power supply and interconnections of different electronic components. System definition - Goal and scope Definition $15–30/m²$$90–120/m²$$y$$y = 7.81n + 57.97$$n$ text/html 2026-07-06T15:04:12+00:00 yusufabdillah (yusufabdillah@undisclosed.example.com) https://lib.naknow.eco/doku.php?id=screen_manufacturing&rev=1783350252&do=diff Manufacturing Process of Screens Modern flat-panel display manufacture is a highly precise and coordinated operation that involves making ultra-thin, defect-free glass substrates that serves as the foundation for LCD and OLED displays. Once the glass substrates are ready, the next step depends on the kind of thin film transistor (TFT) backplane technology that is being employed. The TFT backplane acts as the electronic control layer of the display and regulates individual pixels. There are sev… text/html 2026-06-29T17:21:15+00:00 antoine (antoine@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=microlens_working_principle.png&ns=0&rev=1782753675&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=176b84&amp;media=microlens_working_principle.png" alt="microlens_working_principle.png" loading="lazy" width="500" height="500" /> text/html 2026-06-29T17:18:39+00:00 antoine (antoine@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=microlens-array.png&ns=0&rev=1782753519&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=05f167&amp;media=microlens-array.png" alt="microlens-array.png" loading="lazy" width="500" height="500" /> text/html 2026-06-29T16:02:36+00:00 antoine (antoine@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=photodiode_architecture.png&ns=0&rev=1782748956&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=7e9d06&amp;media=photodiode_architecture.png" alt="photodiode_architecture.png" loading="lazy" width="500" height="500" /> text/html 2026-06-29T11:23:12+00:00 antoine (antoine@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=cmos_joli_schema.png&ns=0&rev=1782732192&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=8bf523&amp;media=cmos_joli_schema.png" alt="cmos_joli_schema.png" loading="lazy" width="500" height="500" /> text/html 2026-06-24T13:49:45+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=wafer-model-archetype.webp&ns=0&rev=1782308985&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=111123&amp;media=wafer-model-archetype.webp" alt="wafer-model-archetype.webp" loading="lazy" width="500" height="500" /> text/html 2026-06-24T13:23:38+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=wafer-recipe.webp&ns=0&rev=1782307418&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=4c3e06&amp;media=wafer-recipe.webp" alt="wafer-recipe.webp" loading="lazy" width="500" height="500" /> text/html 2026-06-24T12:31:24+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=wafer-distribution.png&ns=0&rev=1782304284&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=a3e5a0&amp;media=wafer-distribution.png" alt="wafer-distribution.png" loading="lazy" width="500" height="500" /> text/html 2026-06-24T12:17:41+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=wafer-traveler-2.png&ns=0&rev=1782303461&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=6fd79e&amp;media=wafer-traveler-2.png" alt="wafer-traveler-2.png" loading="lazy" width="500" height="500" /> text/html 2026-06-24T12:13:24+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=wafer-traveler.png&ns=0&rev=1782303204&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=d5d461&amp;media=wafer-traveler.png" alt="wafer-traveler.png" loading="lazy" width="500" height="500" /> text/html 2026-06-18T12:30:05+00:00 gauthier.roussilhe.ext (gauthier.roussilhe.ext@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=wafer-roadmap.webp&ns=0&rev=1781785805&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=eabf44&amp;media=wafer-roadmap.webp" alt="wafer-roadmap.webp" loading="lazy" width="500" height="500" /> text/html 2026-06-16T08:43:40+00:00 antoine (antoine@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=naknow_model_anonymous_clean.png&ns=0&rev=1781599420&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=27ecef&amp;media=naknow_model_anonymous_clean.png" alt="naknow_model_anonymous_clean.png" loading="lazy" width="500" height="500" /> text/html 2026-06-15T09:39:17+00:00 antoine (antoine@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=schematic_cross-section_of_a_cmos_image_sensor.png&ns=0&rev=1781516357&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=80fbf5&amp;media=schematic_cross-section_of_a_cmos_image_sensor.png" alt="schematic_cross-section_of_a_cmos_image_sensor.png" loading="lazy" width="500" height="500" /> text/html 2026-06-05T09:34:58+00:00 sophie (sophie@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=capture_d_ecran_2026-06-05_113442.png&ns=0&rev=1780652098&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=57c9cd&amp;media=capture_d_ecran_2026-06-05_113442.png" alt="capture_d_ecran_2026-06-05_113442.png" loading="lazy" width="500" height="500" /> text/html 2026-06-05T09:32:46+00:00 sophie (sophie@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=capture_d_ecran_2026-06-05_113223.png&ns=0&rev=1780651966&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=9b13a6&amp;media=capture_d_ecran_2026-06-05_113223.png" alt="capture_d_ecran_2026-06-05_113223.png" loading="lazy" width="500" height="500" /> text/html 2026-06-05T09:27:05+00:00 yusufabdillah (yusufabdillah@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=display_panel_taxonom.png&ns=0&rev=1780651625&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=f8a1dd&amp;media=display_panel_taxonom.png" alt="display_panel_taxonom.png" loading="lazy" width="500" height="500" /> text/html 2026-06-05T09:02:55+00:00 sophie (sophie@undisclosed.example.com) https://lib.naknow.eco/doku.php?image=capture_d_ecran_2026-06-05_110053.png&ns=0&rev=1780650175&tab_details=history&media_do=diff&do=media <img src="https://lib.naknow.eco/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=e924cd&amp;media=capture_d_ecran_2026-06-05_110053.png" alt="capture_d_ecran_2026-06-05_110053.png" loading="lazy" width="500" height="500" />