Technology Development for a Standard Cartridge Multi-terabyte Tape System NIST ATP PROGRAM 70NANB2H3040 PEREGRINE RECORDING TECHNOLOGY, INC.

Transcription

1 Technology Development for a Standard Cartridge Multi-terabyte Tape System NIST ATP PROGRAM 70NANB2H3040 1

2 TECHNOLOGY AND STATUS REPORT 2

3 MAJOR PARTICIPANTS: PARTNERS Accutronics (Transports/Actuators) Advanced MicroSystems (Wafers) Advanced Research Corporation (SW Hds./Hd. Fabr.) Imation (Media/Data Channel/System Integration) Peregrine Recording (Program Mgmt.) MAJOR SUBCONTCRACTORS CMU (DSSC) (Media/Modeling/Guiding/ECC) UCSD (CMRR) (Electro-chemical Tribology) OSU(NLIM) (Wear/Guiding/Edges) Mountain Engineering II (MEII) (Transport Test & Integration/Servo Channel) 3

4 Performance Objectives Currently 1500 tpi 125 kbpi Mb/in Layers/in 0.04 TB/in 3 Goal ~50,000 tpi 300+ kbpi 15+ Gb/in 2 ~5000 Layers/in ~10 TB/in 3 4

5 Mechanism Large Stable Laboratory Transport 10 m/sec 16 Channels Dual Independent Servoed Heads 5

6 Areal Density Comparison AREAL DENSITY (Mb/mm 2 ) MTS IBM LTO-Ultrium M TSTapeD ensity YEAR OF AVAILABILITY LTO 3/6/2004 6

7 Four Year Program 1 November October 2006 Two Phases Phase I Demo Equivalent 3480 Cart Capacity ~ 5-7GB Phase II Demo Equivalent 3480 Cart Capacity~ 25GB 7

8 Program Timeline 1ST MAG MEDIA 1ST SERVO PATTERN 1ST SW HD COATER COATING * XPORT DEV SW HEAD ** DATA HEAD DEV * * * ACTUATOR * SERVO CHANNEL DATA CHANNEL AMR PROTO 1 MASK SET "FIXED'" HD TEST TRK FOLLOW TEST PHASE I SYSTEM TEST 20 M/S TRANSPORT GMR PRELIMINARY TEST PHASE II SYSTEM TEST 8

9 Key Program Elements Sputtered Metal Film Media Improved Substrate Small Ch.-to-Ch. Spacing multi-element Heads Corrosion/wear Resistant GMR Heads LAZR (Large Angle azimuth Recording) Dual Actuators Advanced Data Channel Enhanced Tape Guiding 3/6/2004 THIC410 9

10 Metal Film MR/GMR READ HEAD 30 nm 25 nm SUBSTRATE lube DLC Mag Film Interlayer CrX NiAl THIC410 3/6/

11 Areal Density vs. Channel Spacing 1.0 NORMALIZED 0.5 ATP Areal Density 11 ATP-144.tas CH-TO-CH SPACING (um)

12 Reduced Channel Spacing PLANAR COIL 400 UM PLAN VIEW HELIX COIL 40 UM MEDIA TAPE BEARING VIEW CLOSURE PIECE TAPE MOTION CLOSURE PIECE SUBSTRATE 12

13 Corrosion/Wear Resistant GMR Heads Improved Head/Media Interface Smoother Media High Moment Pole Materials (FeX?) Low PTR Pole Material & Processing Copperless GMR Improved Head/Media Environment 13

14 Sources of Tracking Error Head Photolithographic Tolerances Assembly Offset Media Substrate Dimensional Instability Servowriting Drive/Transport Head Parallelism with Guides Lateral Tape Motion Tape Edge Weave Guiding Vibration THIC410 3/6/

15 DUAL ACTUATORS TAPE DIRECTION HEAD MOTION READ ARRAY θ WRITE ARRAY HEAD MOTION 15

16 Large Angle Azimuth Recording MINIMUM SIGNAL TMR ADJACENT TRACK DATA TRACK TMR DATA TRACK ADJACENT TRACK ADJACENT TRACK AZIMUTH TRACK WIDTHS ORTHOGONAL ADJACENT TRACK 16

17 Large Angle Azimuth Recording 1 Azimuth Recording Adjacent Track Suppression Suppression vs. Density & Azimuth Angle SUPPRESSION Min. Density Pitch: 1 um Max. Density azn207.m Density (kfci) 17

18 Tape Guiding Challenges Thinner Substrates High Speed Tape Wander Take-up Approaches Long Guides Improved Slitting Non-Edge Guiding 18

19 Lateral Tape Motion (LTM) Tape Edge/ Fotonic Probe Raw LTM Commercial Drives 7um 20 um p-p MTS Transport 2um 5 um p-p Non-Repeatable 0.1um 0.2 um p-p Non-repeatable LTM THIC410 3/6/

20 Advanced Data Channel High Data Rate ~ 1.9 Gb/sec ~ 7 Hours(@ 50 % efficiency.) High-Gain Encoding Low Density Parity Code (LDPC) Error Correction 20

21 Progress To Date: AI/MEII Delivers Tape Transports Delivers Version 2 Air Bearing Actuator AMS Joins Program Head Masks Completed Heads in Wafer Fab. ARC Fabricates Servowriter head and records servo pattern Receives and Certifies Back-end Head Fabrication Equipment IMN Sputtered Metal Film Coater Installed and Running 1 st Magnetic Films with Good Magnetic Properties Fabricated 2 nd Set of Targets Received DLC and Lube Coater Built and Installed Evaluation Channel Electronics Installed on 1 st Transports THIC410 3/6/

22 Tomorrow 3/6/

23 END 23