\n| POU<\/td>\n | Maximum defect control<\/td>\n | Frequent replacement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n 8. Chemical Compatibility & Extractables<\/h2>\nFilters must not introduce ionic contamination or organic leachables.<\/p>\n![\"TOC](\"https:\/\/jeez-semicon.com\/wp-content\/uploads\/2026\/01\/TOC-and-metal-ion-extractables-testing-for-CMP-slurry-filters.png\") TOC and metal ion extractables testing for CMP slurry filters.<\/figcaption><\/figure>\n<\/p>\n Filter lifetime depends on:<\/p>\n \n- Slurry particle loading<\/li>\n
- Agglomeration tendency<\/li>\n
- Flow rate and shear stress<\/li>\n<\/ul>\n
\n\n\n| Filter Size<\/th>\n | Pore Size<\/th>\n | Typical Lifetime<\/th>\n<\/tr>\n | \n| 10-inch<\/td>\n | 0.2 \u00b5m<\/td>\n | 300\u2013500 wafers<\/td>\n<\/tr>\n | \n| 20-inch<\/td>\n | 0.5 \u00b5m<\/td>\n | 800\u20131200 wafers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n 10. Failure Modes & Root Cause Analysis<\/h2>\n10.1 Filter Rupture<\/h3>\nCaused by excessive pressure differential.<\/p>\n 10.2 Channeling<\/h3>\nUneven flow leading to particle breakthrough.<\/p>\n 10.3 Chemical Degradation<\/h3>\nResults in fiber shedding and contamination.<\/p>\n <\/p>\n 11. HVM Filter Management Strategy<\/h2>\n\n- Pressure drop monitoring<\/li>\n
- Wafer-count-based replacement<\/li>\n
- Incoming filter qualification<\/li>\n<\/ul>\n
In HVM, filters must be treated as process control devices, not consumables.<\/p>\n <\/p>\n 12. How to Select CMP Slurry Filters<\/h2>\nKey selection criteria:<\/p>\n | |