via hole1 Via hole에서 나올수 있는 불량총집합 1. PLATING VOID 2. WEDGE VOID 3. PLATING CRACK /BARREL CRACK 4. FOIL CRACK 5. BURNED PLATING 6. DELAMINATION 7. DELAMINATION PINKRING 8. BLISTERING 9. CRAZING/MEASLING 10. LAMINATE VOID 11. PREPREG VOID 12. RESIN RECESSION INNERLAYER 13. STRESS CRACK 14. RESIN CRACK 15. FIBREBUNDLE CRACK 16. DRILLING CRACK 17. LIFTED LAND CRACK 18. LIFTED LAND/PAD LIFTED 19. PAD ROTATION 20. PULL AWAY 21. RESIN .. 2009. 11. 17.
