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features and benefits of bonding sheets, particularly in the context of flexible circuit boards:

1. Adhesive Properties:
   • Bonding sheets, also known as sheet adhesives, exhibit excellent adhesive properties.
   • They create a strong and reliable bond between different layers of a flexible circuit.
   • This adhesive strength ensures the integrity and durability of the circuit.
2. Compatibility with Various Materials:
   • Bonding sheets are compatible with a wide range of materials, including:
     • Polyimide
     • Polyester
     • Other flexible substrates
   • This versatility allows them to be used effectively in various applications.
3. Applications of Bonding Sheets:
   • Bonding Flexible Inner Layers:
     • Bonding sheets are crucial for joining flexible inner layers of a flexible circuit, creating a multilayer structure.
     • This is essential for circuits that need to fit into small spaces or have complex shapes.
   • Bonding Rigid Cap Layers:
     • They also bond rigid cap layers to flexible circuits during multilayer lamination.
     • This adds mechanical strength and protection, making the circuit more resistant to bending, twisting, or impact.
   • Bonding Flexible Circuits to Rigid-Flex Boards:
     • In applications requiring both flexibility and rigidity (e.g., aerospace, medical devices, and consumer electronics), bonding sheets play a vital role.
   • Attaching Stiffeners and Heat Sinks:
     • Bonding sheets can attach stiffeners and heat sinks to flexible circuits, providing additional support and effective heat dissipation.