Quality Assurance

Yaheng upholds “Quality comes first”. 

1. 100% IQC

2. 100% IPQC

3. 100% AOI (automatic optical inspection)

4. 100% E-testing

5. 100% FQC

6. 100% FQA

7. 100% OQC

8. 100% resistance test for STH/CPTH parts

9. 100% HiPot test for IMS parts

10. Solder mask adhesion test

11. Micro-sections to check line/space and vias

12. Surface finish thickness by x-ray (HASL, Immersion tin, ENIG) and UV spectrophotometer (OSP)

13. Physical dimensions by 2D measurement system

14. Solderability by IR, solder dipping and floating tests