Optical Member Driving Device Coil Substrate Stopper Portions

The patent extracts the harmful contact interaction by introducing stopper portions that separate the coil substrate from the FPC. These stopper portions project from the coil substrate's circumference and contact the case instead of the FPC, eliminating the harmful interaction while maintaining structural support.

The stopper portions act as intermediary elements between the coil substrate and the case. They mediate the interaction by providing a controlled contact point that prevents direct contact between the coil substrate and FPC, thereby enabling smooth movement while maintaining necessary structural constraints.

The patent removes the harmful contact that disrupts image stabilization by introducing stopper portions. These portions extract the conflict between movement requirements and structural constraints, allowing the movable portion to move freely in X and Y directions without contacting the FPC.

The stopper portions are pre-positioned on the coil substrate to proactively prevent contact with the FPC during movement. This preliminary action ensures that when the movable portion moves for image stabilization, the stopper portions already occupy the space that would otherwise cause harmful contact.

The patent segments the coil substrate into functional regions: the main body portion that provides electromagnetic function and the stopper portions that provide mechanical constraint. This segmentation allows each part to perform its specific function without interfering with others, achieving smooth movement while maintaining manageable structural complexity.

The stopper portions serve multiple functions: they prevent harmful contact with the FPC, provide mechanical support, and guide movement. By making these portions multi-functional, the patent reduces the need for additional separate components, thereby limiting the increase in device complexity while achieving smooth movement.