Technological Process of Diode
by RachelYe in Workshop > Lighting
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Technological Process of Diode
![封面.jpg](/proxy/?url=https://content.instructables.com/FV8/COP5/K23NQOWM/FV8COP5K23NQOWM.jpg&filename=封面.jpg)
This is a short article about the technological process of diode. Hope you enjoy it.
Tip-out and Marking.
![Step 1.jpg](/proxy/?url=https://content.instructables.com/F1W/5IGP/K23NQJN1/F1W5IGPK23NQJN1.jpg&filename=Step 1.jpg)
Clean and Oxidize to Improve the Growth of SiO2.
![Step 2.jpg](/proxy/?url=https://content.instructables.com/FC8/6GRX/K23NQJVP/FC86GRXK23NQJVP.jpg&filename=Step 2.jpg)
Add OAP and Well Stir the Glue.
![Step 3.jpg](/proxy/?url=https://content.instructables.com/FS5/R7NU/K23NQJZ2/FS5R7NUK23NQJZ2.jpg&filename=Step 3.jpg)
Perform Exposure Optical Carving, Developing and Post-baking.
![Step 4.jpg](/proxy/?url=https://content.instructables.com/FXP/R7XC/K23NQK37/FXPR7XCK23NQK37.jpg&filename=Step 4.jpg)
Hard Baking and Corrosion.
![Step 5.jpg](/proxy/?url=https://content.instructables.com/F14/M3NJ/K23NQK9W/F14M3NJK23NQK9W.jpg&filename=Step 5.jpg)
Hard Baking and Injection.
![Step 7.jpg](/proxy/?url=https://content.instructables.com/FWF/IDOQ/K23NQKGU/FWFIDOQK23NQKGU.jpg&filename=Step 7.jpg)
Stripping of Photoresist.
![Step 7.jpg](/proxy/?url=https://content.instructables.com/FWU/LAHO/K23NQKLF/FWULAHOK23NQKLF.jpg&filename=Step 7.jpg)
Knot Push and Oxidize B to Form P + Isolation.
![Step 8.jpg](/proxy/?url=https://content.instructables.com/FHE/S539/K23NQKNZ/FHES539K23NQKNZ.jpg&filename=Step 8.jpg)
Photoetching and Engraving Lead Holes.
![Step 9.jpg](/proxy/?url=https://content.instructables.com/FUQ/6QJZ/K23NQKPL/FUQ6QJZK23NQKPL.jpg&filename=Step 9.jpg)
Clean. and Oxidize P- Before Injection.
![Step 10.jpg](/proxy/?url=https://content.instructables.com/FW2/CPRB/K23NQKZ3/FW2CPRBK23NQKZ3.jpg&filename=Step 10.jpg)
Inject P- to Increase the Voltage and Reduce Leakage Current.
![Step 11.jpg](/proxy/?url=https://content.instructables.com/FRS/3QLA/K23NQLBG/FRS3QLAK23NQLBG.jpg&filename=Step 11.jpg)
Implement the Bleaching of Acid to Remove the Oxide Layer of Lead Holes.
![Step 12.jpg](/proxy/?url=https://content.instructables.com/F0D/GHM6/K23NQLG1/F0DGHM6K23NQLG1.jpg&filename=Step 12.jpg)
Cleaning and Steaming Cr.
![Step 13.jpg](/proxy/?url=https://content.instructables.com/F01/N5XY/K23NQLKW/F01N5XYK23NQLKW.jpg&filename=Step 13.jpg)
Alloy to Form an Alloyed Potential Barrier.
![Step 14.jpg](/proxy/?url=https://content.instructables.com/FQ1/6BLE/K23NQLTP/FQ16BLEK23NQLTP.jpg&filename=Step 14.jpg)
Striping Off Cr.
![Step 15.jpg](/proxy/?url=https://content.instructables.com/FRQ/MIUB/K23NQM7Z/FRQMIUBK23NQM7Z.jpg&filename=Step 15.jpg)
Cleaning and Evaporating the Aluminum.
![Step 16.jpg](/proxy/?url=https://content.instructables.com/F4U/2E2V/K23NQMUL/F4U2E2VK23NQMUL.jpg&filename=Step 16.jpg)
Reversely Engraving the Aluminum.
![Step 17.jpg](/proxy/?url=https://content.instructables.com/F1V/FDYK/K23NQMVM/F1VFDYKK23NQMVM.jpg&filename=Step 17.jpg)
Back Thinning.
![Step 18.jpg](/proxy/?url=https://content.instructables.com/FK7/PTQI/K23NQN4F/FK7PTQIK23NQN4F.jpg&filename=Step 18.jpg)
Cleaning, Acid Bleaching and Back Metallization.
![Step 19.jpg](/proxy/?url=https://content.instructables.com/FEN/XZFJ/K23NQNFT/FENXZFJK23NQNFT.jpg&filename=Step 19.jpg)