Ammonia vapor-assisted plasma activation and mechanism study for high-strength direct wafer bonding of silicon oxide

Key Points

• High-strength wafer bonding is achieved through ammonia vapor-assisted plasma activation, demonstrating enhanced adhesion.
• The study highlights a substantial increase in bonding strength, with metrics indicating significant improvements under specific conditions.
• A mechanism study explores the chemical and physical interactions involved in the plasma activation process.
• These findings may enable better material integration in advanced semiconductor devices, improving performance and reliability.