Thin film magnetic head including coil wound in toroidal shape and method for manufacturing the same
US6987644B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2003 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Jul 8, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/1276
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A thin film magnetic head and a method for manufacturing the same is provided, wherein first coil pieces and second coil pieces provided one above the other with a magnetic pole layer therebetween are electrically connected to each other with reliability and with ease, and the above-described magnetic pole layer can be provided on a flattened surface. A laminate provided on a coil insulation layer can be formed on a flattened surface and, therefore, the above-described magnetic pole layer can be formed into a predetermined shape. As a result, the track width can have a predetermined dimension, and the second coil pieces provided on the above-described laminate can be reliably, easily connected to the top surfaces of connection layers exposed at the top surface of the coil insulating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.