HDD Trends and Leading. Edge Suspensions. Scott Schaefer HDD Trends and Leading Edge Suspensions Scott Schaefer CTO and VP of Development Engineering November 4, 2004
Our Product November 4, 2004
Long Range Industry Trends Annual storage growth rate continues at 25% CAGR Small form factor drives will be +50% of unit shipments – miniaturization continues Leading edge areal density growth rate at 30% or less Heads/HDD stabilizes November 4, 2004
HDD Storage Growth Source: HTI Analysis November 4, 2004
HDD Form Factor Shifts 500 400 300 [ 1.8” drives 2.5” drives Source: HTI Analysis 400 300 2.5” drives 3.5” drives November 4, 2004
Areal Density Gbits per inch2 Leading Edge AGR HTI’s Current View of Leading Edge AD 100% ----------------------------| 40%------------| 30%-------------------------| 20%-----------> Actual Forecast Gbits per inch2 20 GB/P 1.0” Microdrive 120 GB/P 2.5” Mobile 80 GB/P 2.5” Mobile 133 GB/P Desktop November 4, 2004
Industry Average Heads/HDD Source: HTI Analysis November 4, 2004
Important Suspension Trends Provide ESD protection Small FF drives High shock capability Sub-Pico heads More functionality per suspension Smaller suspension Reduced mass designs Thinner materials Finer conductors Smaller gimbles Fly Height control Dual stage actuation Ground features Conductive coatings Increased precision Higher performance Further miniaturization November 4, 2004
Product Features 4 or 6 Leads (25 mm Lines & Spaces) Headlift Limiters Stand-offs & Ground Features November 4, 2004
Flexure Miniaturization Std TSA Extended TSA Trace Plus November 4, 2004
Shock Requirements Source: HTI Analysis November 4, 2004
17X Improvement in Suspension G/Gram HTI Suspension Shock Capability 1995 1997 1999 2001 2003 2005 17X Improvement in Suspension G/Gram 3.0” FF 41 G/gram 2.5” FF 61 G/gram 2.5” FF 83 G/gram 1.0” FF 160 G/gram 0.85” FF 394 G/gram 0.85” FF 707 G/gram November 4, 2004
Summary Suspension growth continues Accelerated advances in suspension performance, features, and reliability Greater variety of suspensions for segmenting markets Miniaturization of all HDD componants November 4, 2004
November 4, 2004