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This course focuses in the region where the head and disk meet, a region only several hundred atoms thick. As head/disk spacing continues to shrink, the challenges associated with this interface grow accordingly. This course introduces students to the science of tribology and how it impacts the performance and reliability of disk drives. Also covered in depth is how the design and manufacture of the disk impact the head/disk interface.

No previous knowledge of tribology or chemistry is assumed, although a general familiarity with disk drive architecture would be helpful.
 

Review and Overview Winchester Technology CSS - Contact Start Stop Load/Unload HDI Impact on Recording Density Head Disk Interface Basics Friction and Wear HDI Components Lube Induced Stiction Stiction vs. Durability Media Manufacturing Process Laser Texture Carbon Overcoats New Carbon Chemistries Lube Controlling Lube Thickness and Uniformity Bonding Lube Surface Energy Vapor vs. Dip Lube Media Finishing

Media Surface Finish Micro and Macro Waviness Roughness Flatness Asperities Lubes Desirable Properties Types and Structures Functional End Groups Molecular Weight Distribution Fly Stiction Head/Disk Interface Chemistry Lube Breakdown Breakdown Mechanisms Catalytic Reactions Lube Additives Load/Unload What Is It and Why Do It? Issues and Challenges Ramp Tribology Future Challenges

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