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| Number | Title | Issue Date |
| 7910234 | Magnetic recording medium having improved durability for high density applications A magnetic recording tape includes an elongated substrate and a magnetic side. The magnetic side includes a support layer formed over the substrate and a magnetic recording layer formed over the support layer to define a magnetic recording surface opposite the subst... | 03/22/2011 |
| 7425378 | Magnetic recording medium The present invention provides a magnetic recording medium which has a thin film magnetic layer considerably excellent in surface smoothness, and is excellent in electromagnetic conversion property. A magnetic recording medium comprising a non-magnetic support, a lo... | 09/16/2008 |
| 7295404 | Magnetic recording medium for perpendicular recording and magnetic storage apparatus using the same A perpendicular magnetic recording medium at least comprises a perpendicular magnetic recording layer and a backing layer backing the perpendicular magnetic recording layer. The backing layer has an in-plane magnetization and is formed of a ferrimagnetic material ha... | 11/13/2007 |
| 7259935 | Magnetic tape including an intermediate layer consisting essentially of a binder A magnetic tape having a lower non-magnetic layer containing non-magnetic powder and a binder, and an upper magnetic layer containing ferromagnetic powder and a binder, formed on a surface of a tape-form non-magnetic support. This magnetic tape has an intermediate b... | 08/21/2007 |
| 7220447 | Magnetic recording medium, process for producing the same, and magnetic recording and reproducing apparatus A process for producing a magnetic recording medium, which process comprises a texturing step for forming texture grooves having a line density of 7,500 lines/mm or more on the surface of a non-metallic substrate, and a step for forming an orientation-determining fi... | 05/22/2007 |
| 7175927 | Magnetic recording medium utilizing specified non-magnetic particles in the magnetic layer A magnetic recording medium having a non-magnetic support and a magnetic layer formed thereon, wherein the magnetic layer comprises a ferromagnetic powder, a binder and a non-magnetic inorganic powder, and wherein at least 95% of the non-magnetic powder particles co... | 02/13/2007 |
| 7115331 | Magnetic recording medium having narrow pulse width characteristics A dual-layer magnetic recording medium including a non-magnetic substrate having a front side and a back side, a lower support layer formed over the front side and a magnetic upper recording layer formed over the lower layer, wherein the magnetic layer contains a vo... | 10/03/2006 |
| 6991861 | Magnetic recording medium The coating-type magnetic recording medium has a non-magnetic layer mainly composed of a non-magnetic powder and binder, and a magnetic layer mainly composed of a ferromagnetic powder and a binder, which are stacked in this order on a non-magnetic substrate, wherein... | 01/31/2006 |
| 6652998 | Producing method of thin film magnetic tape and the thin film magnetic tape In a first forming process, by injecting a predetermined amount of oxygen gas, magnetic metal vapor 7a is deposited as a nonmagnetic underlayer on a base film F wound on one film winding roll 3B while advancing the base film F in a reverse direction (seco... | 11/25/2003 |
| 5523167 | Indelible magnetic transfer film A transfer film comprised of an inert backing coated with a transfer layer comprising a mixture of a resin, a filler, a magnetic pigment, a nondrying oil and an oil soluble dye provides security against fraudulent alteration of Magnetic Ink Character Reco... | 06/04/1996 |
| 5514467 | Materials and structure for tape with enhanced release A MICR tape allows for the complete release of magnetic material from the tape substrate. This is accomplished by creating a tape with a layered structure including a magnetic layer coated on a polymer layer with a release layer therebetween.... | 05/07/1996 |
