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DLTtape™ VS1Model Name :DLTVS1-160 |
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Developed in partnership with Quantum, the format proprietorSony partnered with Quantum, the linear tape drive market leader, to develop dedicated media for the DLT VS160 drive and DLT-V4 drive. Every aspect of these advanced data cartridges reflects Sony's half century of magnetic media experience and mastery. 160GB compressed storage capacityIn DLT-V4 drive, DLTtape VS1 offers compressed storage capacity of up to 320GB (160GB native) per cartridge and a compressed data transfer rate of up to 20MB/s (10MB native). *In DLTVS160 drive, compressed data capacity of up to 160GB (80GB native ) and compressed transfer speed up to 16MB/s (8MB/s native) will be realized. Rugged cartridge mechanismSony's robust cartridge mechanism is designed to withstand the rigors of a library environment. With its outstanding durability and reliability, this storage media more than satisfies performance expectations. Ultra-Smooth Surface treatmentSpecial calendering technology creates an ultra-smooth magnetic media surface, which dramatically reduces the error rate to support high data density with excellent reliability. Consistent signal characteristicsDLTtape VS1 delivers the signal characteristics necessary for consistently high recording density with high output, thanks to Sony's ultra-thin coating technology, which forms a magnetic layer about half as thick as in previous products. |
| SDLT1-320 | DL4TK88 | DLTVS1-160 | |
|---|---|---|---|
| Format | SDLT | DLT | DLTVS1 |
| Recording Capacity (Compressed *1) |
w/SDLT220 drive: 110GB(220GB ) w/SDLT320 drive: 160GB(320GB) |
w/DLT4000 drive: 20GB(40GB) w/DLT7000 drive: 35GB(70GB) w/DLT8000 drive: 40GB(80GB) w/DLT VS80 (DLT1) drive: 40GB(80GB) |
w/DLTVS160 drive: 80GB(160GB) w/DLT-V4 drive: 160GB(320GB) |
| Maximum Data Transfer Rate (Compressed *1) |
w/SDLT220 drive: 11MB/s (22MB/s) w/SDLT320 drive: 16MB/s (32MB/s) |
w/DLT4000 drive: 1.5MB/s (3MB/s) w/DLT7000 drive: 5MB/s (10MB/s) w/DLT8000 drive: 6MB/s (12MB/s) w/DLT VS80 (DLT1) drive: 3MB/s (6MB/s) |
w/DLTVS160 drive: 8MB/s (16MB/s) w/DLT-V4 drive: 10MB/s (20MB/s) |
| Tape Type | Metal Particle | Metal Particle | Metal Particle |
| Coercive Force (kA/m) | 151 | 151 | 151 |
| Electric Resistance (Magnetic Side: Ω/sq) |
1×107 | 1×107 | 1×107 |
| Electric Resistance (Back Side: Ω/sq) |
1×105 | 1×105 | 1×105 |
| Durability | 1000000 passes | 1000000 passes | w/DLTVS160 drive: 10,000 load/unload threads w/DLT-V4 drive: up to 200 uses |
| Archival Life | 30 years | 30 years | 30 years |
| Linear Recording Density (kbpi) |
w/SDLT220 drive:133 w/SDLT320 drive:193 |
w/DLT4000 drive:82 w/DLT7000 drive:86 w/DLT8000 drive:98 w/DLT VS80 (DLT1) drive:123 |
w/DLTVS160 drive: 175 w/DLT-V4 drive: 219 |
| Number of Data Track | 448 | w/DLT4000 drive:128 w/DLT7,8000 drive:208 w/DLT VS80 (DLT1) drive:168 |
w/DLTVS160 drive: 240 w/DLT-V4 drive: 352 |
| Coding Channel | PRML | PRML | PRML |
| Tape Width (mm) | 12.65 | 12.65 | 12.65 |
| Tape thickness (µm) | 8.8 | 8.8 | 8.8 |
| Tape Length (m) | 559 | 557 | 557 |
| External Dimensions (mm) | 105.8×105.4×25.4 | ||
| Weight (g) | 275 (with case) | 292 (with case) | 282 (with case) |
| Environmental Requirements | Operation Conditions (°F(°C);%RH) : 50~104 (10~40);20~80 *2 Storage Conditions (°F(°C);%RH) : 60~90 (16~32);20~80 *2 Transportation Conditions (Recorded) (°F(°C);%RH) : 41~90 (5~32);5~80 *2 Transportation Conditions (Unrecorded) (°F(°C);%RH) : -9~118 (-23~48);5~80 *2 |
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*1 Compression ratio 2:1
The actual capacity, compression ratio and data transfer rate may vary depending on equipment, software usage, environments and data.
1GB= 10 billion bytes
*2 Maximum wet bulb temperature : No condensation at 79°F (26°C).
| Media | Drive | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DLT2000 | DLT2000XT | DLT4000 | DLT7000 | DLT8000 | ||||||
| Super DLTI | Rejected | Rejected | Rejected | Rejected | Rejected | |||||
| DLT Tape VS1 | Rejected | Rejected | Rejected | Rejected | Rejected | |||||
| DLT Tape IV (Compressed *) |
Rejected | Rejected | Read/Write 20GB (40GB *) |
Read/Write 35GB (70GB *) |
Read/Write 40GB (80GB *) |
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| DLT Tape III XT (Compressed *) |
Rejected | Read/Write 15GB (30GB *) |
Read/Write 15GB (30GB *) |
Read/Write 15GB (30GB *) |
Read/Write 15GB (30GB *) |
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| DLT Tape III (Compressed *) |
Read/Write 10GB (20GB *) |
Read/Write 10GB (20GB *) |
Read/Write 10GB (20GB *) |
Read/Write 10GB (20GB *) |
Read/Write 10GB (20GB *) |
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| Media | Drive | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| DLT VS80 (DLT1) | DLT VS160 | DLT-V4 | SDLT220 | SDLT320 | SDLT600 | ||||||
| Super DLTI (Compressed *) |
Rejected | Rejected | Rejected | Read/Write 110GB (220GB *) |
Read/Write 160GB (320GB *) |
Read | |||||
| DLT Tape VS1 (Compressed *) |
Rejected | Read/Write 80GB (160GB *) |
Read/Write 160GB(320GB *) |
Rejected | Rejected | Read | |||||
| DLT Tape IV (Compressed *) |
Read/Write 40GB (80GB *) |
Read | Read | Read | Read | Rejected | |||||
| DLT Tape III XT | Rejected | Rejected | Rejected | Rejected | Rejected | Rejected | |||||
| DLT Tape III | Rejected | Rejected | Rejected | Rejected | Rejected | Rejected | |||||
* Compression ratio 2:1
Simple and clear! DLT write protectionThe status of write enabled/protected is indicated on two faces with lock-shaped switches, helping prevent unintended operations.
High-strength shell that has passed rigorous drop impact testingThe shell is made of a polycarbonate rugged enough to withstand Sony's rigorous drop impact testing. Original testing involving 75 cm drops onto plastic tiles at different orientations helped to develop a thoroughly rugged cartridge.
Expertise incorporated into the leader tapeFor the leader tape, we use a PET film measuring 50 µm in thickness (eight times thicker than the magnetic tape) that will withstand repeated loading/unloading. This leader tape passed over 20,000 iterations of loading/unloading testing.
The leader tape end is chemically etched to reduce creasing on the magnetic tape marked by raised portions where the tape is spliced.
High-speed rotation provided by ball bearingsA ball bearing is used as the contact point between the cartridge upper shell and reel center to achieve stable, high-speed rotation, reducing tracking and jitter errors during high-speed rotation of the reel.
Centering mechanism that prevents misalignment even when subjected to vibrationThe lower shell's center hole edge is tilted at the same angle as the reel's contact surface, thereby preventing misalignment of reel center. This prevents not just misalignment of the reel while the cartridge is moved, but chucking errors at the time of loading.
Flat reel flangeLinear tape movement is ensured by optimized structure and clearance between the reel and tape. Outstanding tracking performance can be provided without a servo.
We developed a highly flat surface for the reel flange around which the tape is wound. This minimizes wobbling during rotation that affects linear tape motion (LTM).
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Special magnetic material (Advanced Alloy Armored Metal Particles) <Conceptual drawing>
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High-output signal characteristics achieved by magnetic materials and ultra-thin magnetic film technologyWe use Advanced-Alloy Armored Metal Particle, a special magnetic material developed through the use of Sony's proprietary technology. Uniformly coated with alloy and ceramics, the material surface provides high-output characteristics while maintaining outstanding weather resistance. |
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Ultra-thin magnetic layers <Conceptual drawing>
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In addition, ultra-thin magnetic film technology makes it possible to form magnetic coatings composed of uniform, submicron particle sizes to achieve high signal output and stability in high-density recording. |
<Surface roughness>Magnetic surface
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Magnetic surface smoothness enhanced by special calendaring technologyWe adopted a special calendaring technology* to manufacture magnetic tapes that allows us to create a smooth magnetic surface and significantly reduce error rates. * Method of uniformly warming and pressurizing magnetic tapes using several rollers. |
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Backcoating layer surface
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Ultra-smooth backcoating designWe adopted ultra-smooth backcoating layers optimized for a linear recording system that requires high-speed tape travel. A sophisticated backcoating technology maximizes the resulting advantages for increased stability in tape travel and increased reliability in high-density recording. |
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