Rectifier Diode DO-41 of Mass Production
Advantages of YUNYI's Rectifier Diode DO-41:
1. Extremely low failure rate in different weathers and areas
2. Competitive cost with high-level quality.
3. High production efficiency with short lead time.
4. Small size, helping to optimize the circuit board space
5. Approved by the standards of IATF16949,ISO14001, ISO 9001:2005, OHSAS18001, VDA6.3, etc.
6. High surge capability
7. PN junction is secured by solid wrap of PI glue.
Steps of Chip Production:
1. Mechanically Printing（Super-precise automatic wafer printing）
2. Automatic First-etching （Automatic Etching Equipment，CPK>1.67）
3. Automatic Polarity Test（Precise Polarity Test）
4. Automatic Assembly （Self-developed Automatic Precise Assembly）
5. Soldering (Protection with Mixture of Nitrogen & Hydrogen Vacuum Soldering )
6. Automatic Second-etching (Automatic Second-etching with Ultra-pure Water)
7. Automatic Gluing (Uniform Gluing & Precise Calculation are Realized by Automatic Precise Gluing Equipment)
8. Automatic Thermal Test (Automatic Selection by Thermal Tester)
9. Automatic Test(Multifunctional Tester)
