CMP Chemical Mechanical Planarization

Data Storage CMP Polishing Slurries

Cabot Microelectronics' unique slurry formulations play a critical role in providing a new level of performance and cost benefit to manufacturers of rigid disks and magnetic heads, two critical components of the disk drive.

Hard Disk DataStorageRigid Disk CMP Slurries

CMC’s Rigid Disk slurries are specially formulated to planarize Ni-P and glass substrates to an ultra low roughness and defects.  Our Magnetic Head slurries are capable of polishing multi-materials in a single step, with tunable selectivity to meet stringent surface topography planarization requirements. 

Our solutions have enabled rapid industry-wide transition to high-density PMR disk drives and are currently used by leading-edge disk drive customers in high-volume manufacturing.

Click on one of our Rigid Disk CMP Solutions below to learn more.



1st Step NiP


1st Step NiP


1st Step NiP

CMC Lustra L9000 2ndStepNiP

2nd Step NiP


2nd Step Glass

 Magnetic Heads CMP Slurries

CMC offers a variety of Magnetic Heads slurries to meet leading edge customers' surface topography planarization and final thickness control requirements. Our products offer multi-material polishing, tunable selectivity and low defects.


Semi-SperseTM W2000


Semi Sperse w2000 Tungsten Slurry

Thank You for Choosing Semi-Sperse W2000 Tungsten Slurry

Cabot Microelectronics trusted for over 200 million liters of Semi-Sperse W2000 tungsten slurry provided to the semiconductor industry. We've reached this significant milestone because of our customers' confidence in CMC as the industry leader in tungsten polishing solutions.

>> Learn More about Semi-Sperse W2000