Method of assembling rotor structure

Details Method of assembling rotor structure Method of assembling rotor structure

2005-07-12

2005-07-12

Arbes, Carl J. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S596000, C029S603010, C029S603030, C156S381000, C156S382000, C360S099080, C384S100000, C384S107000, C438S710000, C438S715000

Reexamination Certificate

active

06915557

ABSTRACT:
A method of assembling a rotor structure for a spindle motor for use in an information recording and playback apparatus is provided in which pollution of the recording medium due to gases emitted from adhesives and the like used in the manufacturing process can be prevented. To be more specific, in an assembling process of securing a rotor yoke and a rotating magnet on a disc section, the rotor yoke, the rotating magnet, and the disc section is disposed one after another at predetermined positions of a centering jig used for centering the center of rotation of the rotating magnet and the center of rotation of the disc section. A pressing mechanism is then placed on the disc section to press the disc section, the rotor yoke, and the rotating disc so as to integrate them into one piece. At the same time, emitted gases are exhausted with an exhausting apparatus in a manner such that the direction of flow of the emitted gases is from the main surface of the disc section toward the rotor yoke. With this method, gases and particulates emitted from adhesives are prevented from reaching and adhering on or reacting with the surface of the recording medium, and malfunctioning such as head crash due to degradation and deterioration caused by pollution can be suppressed.

REFERENCES:
patent: 5582677 (1996-12-01), Miwa et al.
patent: 6071014 (2000-06-01), Lee et al.
patent: 6797639 (2004-09-01), Carducci et al.
patent: 59-221845 (1984-12-01), None

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