Objective lens driving system and manufacturing method for same

Details Objective lens driving system and manufacturing method for same Objective lens driving system and manufacturing method for same

1998-07-30

1999-12-07

Epps, Georgia

Optical: systems and elements

Lens

With support

359814, 359824, G02B 702

Patent

active

059993421

ABSTRACT:
An objective lens driving system comprises a lens holder retaining an objective lens, a holder supporting member for movably supporting the lens holder in focusing and tracking directions, a magnetic driving circuit for moving the lens holder in the focusing and tracking directions, in which a flat driving coil made by winding a self-welding wire coated with a heat welding layer is face-bonded on either the lens holder or holder supporting member. The driving coil is configured such that the self-welding wire is united via the heat welding layer thereof and a surface thereof is coated with a reinforcing adhesive thinly. The reinforcing adhesive has a higher thermal stability than the heat welding layer.

REFERENCES:
patent: 5264968 (1993-11-01), Masunaga
patent: 5789720 (1998-08-01), LaGally et al.
patent: 5844881 (1998-12-01), Kasuga et al.

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