| Patent Number |
Title Of Patent |
Date Issued |
| 7440238 |
Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus |
October 21, 2008 |
| The present invention provides a thin film magnetic head capable of satisfying both assurance of recording performance and assurance of reproduction performance. In the case where a lower magnetic layer is formed of an iron cobalt alloy (for example, Fe.sub.65Co.sub.35) which contain |
| 7359146 |
Perpendicular magnetic recording element having stacked FM and AFM films applying magnetic bias |
April 15, 2008 |
| The soft magnetic film takes its hard axis along the direction in which a magnetic field is generated and its easy axis along a direction perpendicular to the direction of the writer magnetic field. The magnetic bias film applies a magnetic bias along the easy axis to the soft magnet |
| 7312951 |
Magnetic head for perpendicular magnetic recording |
December 25, 2007 |
| The invention provides a magnetic head for perpendicular magnetic recording having an air bearing surface positioned facing the recording surface of a recording medium, which records magnetic information on the recording medium by generating magnetic flux toward the recording surface |
| 5963765 |
Method and device for developing an electrostatic latent image based on toner amount and image f |
October 5, 1999 |
| A developing method for an image formation system includes the steps of supplying a toner and developing an electrostatic latent image formed on a latent image support of the image formation system with the toner for visualization. A toner amount of a solid area T(g/m.sup.2) has a maximu |
| 5752141 |
Rotating type developing apparatus |
May 12, 1998 |
| A rotating type developing apparatus, having a plurality of developing devices which convey developer, which at least includes toner and carrier, to a developing roll while accommodating and circulating the developer; and a rotating body which holds and rotates the plurality of developin |
| 5532804 |
Device for developing an electrostatic image on an image member |
July 2, 1996 |
| A developing device, which has a developer carrying member forming a magnetic brush of a two-component developer and is capable of carrying out a development while it is not in contact with an electrostatic latent image retaining member, is improved so as to reproduce an image at a s |
