Electromagnetic Vibrator with Integrated Suspension Edge

The patent removes the glue attachment process entirely from the manufacturing system. The vibration sheet is designed with integrated suspension edges that are directly molded as part of the vibration sheet structure, eliminating the need for separate gluing operations and the associated reliability issues.

The suspension edges are merged with the vibration sheet through injection molding, creating a single integrated component. This combining of previously separate parts (vibration sheet and suspension edges) into one molded piece eliminates the bonding interface that would otherwise require glue and subsequent maintenance.

The manual mechanical gluing process is replaced with an automated injection molding process. The suspension edges are molded directly onto the vibration sheet in a single automated operation, eliminating multiple manual steps including surface preparation, glue application, positioning, and curing.

The suspension edges are pre-formed as integral parts of the vibration sheet during the injection molding process itself, before any assembly operations. This preliminary formation of the bonding interface eliminates the need for subsequent gluing operations and ensures consistent quality from the start.

The patent uses a thin film vibration sheet instead of traditional rigid vibration elements. This thin film structure enables the device to achieve high-frequency vibration while maintaining a compact size, as the flexible thin material can respond more quickly to electromagnetic actuation than traditional rigid structures.

The vibration sheet is designed with dynamic characteristics optimized for high-frequency operation. The thin, flexible nature of the sheet allows it to respond dynamically to the electromagnetic field from the voice coil, achieving resonance at higher frequencies while maintaining small physical dimensions.