Objective lens driving apparatus and method for manufacture ther

Details Objective lens driving apparatus and method for manufacture ther Objective lens driving apparatus and method for manufacture ther

1995-06-13

1997-05-06

Ben, Loha

Optical: systems and elements

Lens

With support

359813, 359814, G02B 702

Patent

active

056276877

ABSTRACT:
An objective lens driving device, and the method of its manufacture, comprising an objective lens, a stationary support, a holder carrying one or more driving coils and having mounted thereon an objective lens, a plurality of arm-shaped resilient supporting members, each having one end side mounted on the holder and having an opposite end side mounted to the stationary support so that the resilient supporting members are movable in a direction parallel to the optical axis of the objective lens, each of the resilient supporting members being arranged between the holder and the stationary support parallel to each other along a direction perpendicular to the optical axis of the objective lens and being formed of electrically conductive material, with at least two of the resilient supporting members being directly connected to melted end portions of the one or more driving coils. The one or more driving coils are formed of an electrically conductive wire having an electrically insulating coating film on its surface, each end of the one or more driving coils having a terminal portion having a planar surface with the electrically conductive wire being exposed to outside. The terminal portion is directly connected either by welding or ultrasonic fusion to a portion of one of the resilient supporting members mounted on the holder which is exposed from the holder.

REFERENCES:
patent: 4669823 (1987-06-01), Iguma et al.
patent: 4991161 (1991-02-01), Ikegame et al.
patent: 5018836 (1991-05-01), Noda et al.
patent: 5056891 (1991-10-01), Masunaga
patent: 5208703 (1993-05-01), Ikegame et al.
patent: 5220459 (1993-06-01), Ichikawa et al.

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