Shiftable Image Sensor Wiring With Air Insulation for Stable OIS Signals

The patent applies this principle by using thin film insulating layers (first insulating layer and second insulating layer) that coat the conductor lines. These thin film structures provide electrical insulation and mechanical protection while maintaining signal integrity, thereby improving the signal-to-noise ratio without significantly increasing device complexity. The flexible thin film structure allows the conducting wire to move with the image sensor while maintaining stable electrical connection.

The patent employs composite materials by combining conductor lines (copper or aluminum) with insulating materials (polyimide, acrylic, or epoxy resin) to create a composite conducting wire structure. This composite design provides both electrical conductivity and insulation properties, enhancing signal transmission quality while preventing interference between adjacent conductors, thus improving the signal-to-noise ratio.

The patent replaces traditional mechanical sliding contact mechanisms with a flexible printed circuit board-based conducting wire system. The conductor lines are embedded in flexible insulating layers that allow bending and movement without physical contact wear. This substitution eliminates mechanical friction and contact fatigue, significantly improving durability while maintaining the movability needed for optical image stabilization and image quality.

The patent uses flexible thin film insulating layers that encapsulate the conductor lines, creating a protective sheath that allows the conducting wire to flex and move with the image sensor during stabilization operations. This flexible film structure prevents mechanical wear on the electrical connection, enhancing durability while enabling the repeated movement required for maintaining high image quality during camera operation.

The patent applies this principle by forming thin film insulating layers over the conductor lines using standard flexible printed circuit board manufacturing processes. These insulating layers completely cover the conductor lines, preventing electrical interference and short circuits between adjacent conducting wire units. The thin film structure is achieved through conventional lamination and etching processes, maintaining reasonable manufacturing precision requirements while ensuring reliable signal transmission stability.

The insulating layers create an electrically inert environment around the conductor lines, isolating them from external electrical interference and preventing unwanted electrical interactions with adjacent conductors. This inert protective layer ensures stable signal transmission by eliminating capacitive coupling and electromagnetic interference between nearby conducting wire units, improving reliability without excessive precision demands.