• Perpendicular recording (or perpendicular magnetic recording, PMR), also known as conventional magnetic recording (CMR), is a technology for data recording...
    15 KB (1,733 words) - 00:31, 12 September 2024
  • concentric magnetic tracks (conventional magnetic recording, Perpendicular recording), while shingled recording writes new tracks that overlap part of the previously...
    25 KB (2,677 words) - 09:54, 1 October 2024
  • Thumbnail for Magnetic storage
    Magnetic recording methods: Heat-assisted magnetic recording (HAMR) Longitudinal magnetic recording (LMR) Perpendicular magnetic recording (PMR), also...
    18 KB (2,106 words) - 16:21, 7 May 2024
  • ethmoid bone Perpendicular plate of palatine bone Perpendicular Point, New Zealand Perpendicular recording, disc drive technology Point Perpendicular, New South...
    613 bytes (104 words) - 08:16, 9 November 2020
  • technologies to achieve this, have included perpendicular recording (PMR), helium-filled drives, shingled magnetic recording (SMR); however these all appear to...
    37 KB (4,445 words) - 09:30, 2 November 2024
  • Thumbnail for Hard disk drive
    greater recording densities is perpendicular recording (PMR), first shipped in 2005, and as of 2007[update], used in certain HDDs. Perpendicular recording may...
    138 KB (14,056 words) - 11:50, 6 November 2024
  • Thumbnail for Hard disk drive platter
    by perpendicular recording. The reason for this transition is the need to continue the trend of increasing storage densities, with perpendicularly oriented...
    13 KB (1,456 words) - 12:57, 26 August 2024
  • Thumbnail for Shun-ichi Iwasaki
    at Lanzhou University (China). Iwasaki's pioneering work on perpendicular magnetic recording has been integral to the development of modern hard disk drives...
    10 KB (847 words) - 08:35, 30 August 2024
  • released in 1984, was the first portable CD player. Perpendicular recording Perpendicular recording was first demonstrated in the late 19th century by...
    130 KB (13,797 words) - 07:52, 28 October 2024
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    p. 89. ISBN 978-0-19-957915-0. Piramanayagam, S. N. (2007). "Perpendicular recording media for hard disk drives". Journal of Applied Physics. 102 (1):...
    22 KB (2,154 words) - 00:39, 29 October 2024
  • limit of the perpendicular recording hard drives. Millipede storage technology was pursued as a potential replacement for magnetic recording in hard drives...
    13 KB (1,835 words) - 17:18, 16 May 2024
  • nanolithography. It is one of the proposed technologies to succeed perpendicular recording due to the greater storage densities it would enable. BPM was introduced...
    9 KB (1,103 words) - 10:40, 2 November 2024
  • Thumbnail for Disk density
    ferrite coating and a special write head that allows the use of perpendicular recording. Triple density (TD) triples the capacity over ED by tripling the...
    12 KB (837 words) - 00:22, 23 September 2024
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    uses longitudinal recording. It has an estimated limit of 100 to 200 Gbit/in2. Current hard disk technology uses perpendicular recording. As of July 2020[update]...
    17 KB (2,280 words) - 03:56, 13 August 2024
  • Thumbnail for Western Digital
    media maker Komag. Also in the same year, Western Digital adopted perpendicular recording technology in its line of notebook and desktop drives. This allowed...
    66 KB (6,086 words) - 04:36, 30 October 2024
  • Thumbnail for History of hard disk drives
    First perpendicular magnetic recording (PMR) HDD shipped: Toshiba 1.8-inch 40/80 GB 2006 – First 200 GB 2.5-inch hard drive utilizing perpendicular recording...
    45 KB (4,842 words) - 15:14, 5 November 2024
  • currently in use (perpendicular recording offers 636 Gbit/in2 (≈98.6 Gbit/cm2) as of Dec. 2011), but future heat-assisted magnetic recording and patterned...
    18 KB (2,392 words) - 16:01, 10 May 2024
  • Thumbnail for Michael Mallary
    shield (or shielded-pole) write head for perpendicular recording. This design is able to reach higher recording areal-densities because it provides higher...
    12 KB (1,168 words) - 23:50, 1 May 2024
  • Thumbnail for Giant magnetoresistance
    while no change represents a logical 0. There are two recording methods: longitudinal and perpendicular. In the longitudinal method, the magnetization is...
    49 KB (5,642 words) - 20:27, 20 April 2024
  • Thumbnail for Microdrive
    outer microdrive dimensions (42.8mmx32.4mmx5mm). They also used perpendicular recording technology which had just been introduced in the hard disk industry...
    22 KB (2,609 words) - 08:15, 30 October 2024
  • and the means of recording and reading data in them. Albert also contributed to early work on high-density perpendicular recording. After retiring from...
    4 KB (533 words) - 22:18, 4 November 2024
  • that crosstalk would otherwise likely occur. Normally, the head is perpendicular to the movement of the tape, and this is considered zero degrees. However...
    4 KB (419 words) - 16:17, 8 June 2024
  • M. Mallary; et al. (July 2002). "One terabit per square inch perpendicular recording conceptual design". IEEE Transactions on Magnetics. 38 (4): 1719–1724...
    17 KB (2,217 words) - 10:06, 7 August 2024
  • Thumbnail for Seagate Barracuda
    on the model. This was the first Seagate hard drive to use perpendicular magnetic recording (PMR) technology (only in 250 GB SATA models: ST3250410AS with...
    50 KB (5,035 words) - 08:45, 28 August 2024
  • Thumbnail for Binaural recording
    Binaural recording is a method of recording sound that uses two microphones, arranged with the intent to create a 3D stereo sound sensation for the listener...
    29 KB (3,871 words) - 16:15, 3 November 2024
  • Thumbnail for Iron–platinum nanoparticle
    "L10-ordered high coercivity (FePt)Ag–C granular thin films for perpendicular recording". Journal of Magnetism and Magnetic Materials. 322 (18): 2658–2664...
    14 KB (1,426 words) - 15:45, 7 May 2024
  • Thumbnail for Video tape recorder
    quadruplex system in which the drum has 4 heads and rotates at 14,400 RPM perpendicular to the tape, so the recorded tracks are transverse to the tape axis...
    21 KB (2,575 words) - 13:53, 29 October 2024
  • Thumbnail for James John Miles
    R. W.; Wood, R. (2003). "Parametric optimization for terabit perpendicular recording" (PDF). IEEE Transactions on Magnetics. 39 (4): 1876. Bibcode:2003ITM...
    12 KB (933 words) - 11:39, 11 July 2024
  • Thumbnail for Strike and dip
    the feature. A clinometer measures the feature's dip by recording the inclination perpendicular to the strike. These can be done separately, or together...
    14 KB (1,553 words) - 11:33, 10 October 2024
  • Thumbnail for Brewster's angle
    the two media. The polarization of freely propagating light is always perpendicular to the direction in which the light is travelling. The dipoles that...
    14 KB (1,707 words) - 16:15, 31 October 2024