Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7190538 | Master carrier for magnetic transfer, inspecting method thereof, and magnetic recording medium producing method In a master carrier for magnetic transfer which comprises a support that has a transfer-recording pattern arrayed in the track direction thereof in accordance with the information to be transferred to a magnetic recording medium, and a magnetic layer formed on the t... | 03/13/2007 |
| 7179550 | Member for supporting magnetic disc substrates, process of producing the same, and magnetic disc device using the same A member of supporting magnetic disc substrates is provided, comprising a ceramic sinter containing a ceramic component and at least one conductive component selected from a group consisting of iron, niobium, tin zinc, copper, nickel, cobalt, and chromium, wherein t... | 02/20/2007 |
| 7147944 | Substrate for magnetic recording media using dried thermoplastic norbornene resin and magnetic recording media using substrate The gas components in thermoplastic norbornene resin pellets are suppressed below certain levels by drying the resin under vacuum or under the ordinary pressure and under vacuum. A substrate for magnetic recording media is manufactured by injection-molding the resin... | 12/12/2006 |
| 7094484 | Master carrier for magnetic transfer, inspecting method thereof, and magnetic recording medium producing method In a master carrier for magnetic transfer which comprises a support that has a transfer-recording pattern arrayed in the track direction thereof in accordance with the information to be transferred to a magnetic recording medium, and a magnetic layer formed on the t... | 08/22/2006 |
| 6991863 | Magnetic disk substrate and magnetic disk The present invention relates to a magnetic disk substrate formed of a thermoplastic resin and a magnetic disk comprising a magnetic recording layer formed on the magnetic disk substrate. In the magnetic disk substrate of the invention, the amount of gases generated... | 01/31/2006 |
| 6635591 | Glass composition for crystallized glass A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's m... | 10/21/2003 |
| 6613459 | Master magnetic information carrier, fabrication method thereof, and a method for manufacturing a magnetic recording medium A master magnetic information carrier has embedded magnetic films that are free from protrusion and recess. The master disk is fabricated by the steps of laminating Co-based soft magnetic film on a resin base plate, forming isolated magnetic films in pred... | 09/02/2003 |
