Disk drive spindle motor with wiring substrate having extension portion passing through opening in base
US8922945B2 · kind B2 · utility
2Cited by
4References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2013 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Feb 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spindle motor includes a stationary unit, a rotary unit and a bearing mechanism. The stationary unit includes a base member, a stator including a plurality of coils and a wiring substrate electrically connected to the stator. The base member includes a tubular portion, a first accommodation portion, an opening portion, a plurality of coil accommodation portions, a second accommodation portion, and at least one through-hole. The wiring substrate includes an arc portion and an extension portion. A lead wire is led out from at least one of the coils and is connected to the arc portion by soldering within the through-hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.