Patent ID: 7376962

Claim:
An objective lens driving apparatus, comprising: an objective lens; a lens holder that holds the objective lens; focusing coils and tracking coils attached to the lens holder; and supporting members that support the lens holder with respect to a fixed part; wherein the supporting members are connected to the focusing coils and the tracking coils by electrically conductive connecting members positioned at a side farther from the fixed part with respect to a center of the lens holder; wherein a distance between two of the tracking coils attached to a side nearer to the fixed part with respect to the center of the lens holder is greater than a distance between two of the tracking coils attached to a side farther from the fixed part with respect to the center of the lens holder; and wherein a mass of the tracking coils attached to the side nearer to the fixed part with respect to the center of the lens holder is greater than a mass of the tracking coils attached to the side farther from the fixed part with respect to the center of the lens holder.