What is the principle of parallel seam welding?

Release time:

2024-01-05 16:00

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Principle of parallel seam welding

Parallel seam welding is a fusion welding method commonly used in the packaging process of semiconductor devices and optical communication devices. In this process, the electrode exerts a certain pressure on the device to be welded, and the intermittent power is applied, and the Joule heat generated by the contact between the electrodes and the resistance is used to melt and combine the metal cover plate with the tube shell coating, thereby achieving airtight welding. This soldering method ensures the isolation of the die and the circuit from the external environment, avoids the invasion of the external harmful atmosphere, and limits the water vapor content and the existence of free particles in the package cavity.

Applications in the semiconductor and optical communication device industries

In the packaging process of linear, linear array or rotating body of square or circular products such as optoelectronic devices and semiconductor devices, Aote Hengye parallel sealing welding machine is a commonly used equipment. This equipment is suitable for microelectronic chips, optoelectronics, sensors and circuit boards and other components into the metal, glass or ceramic shell base after the packaging process. It reduces the humidity and oxygen molecular content in the lumen of the device by vacuuming, and fills the inert gas nitrogen during the sealing process to protect the device. Then, using the principle of resistance welding, by making a current flow through the cover plate, and another current flow through the tube shell, a large amount of heat is generated to make the metal molten state, under the pressure of the roller motor, forming a series of solder joints, so as to achieve sealing welding.

In the semiconductor and optical communication device industry, the application of parallel seam welding technology is of great significance. It ensures that the device is not easily oxidized after packaging and is not affected by changes in external conditions, thereby ensuring the normal operation of the device. At the same time, the parallel seam welding technology also ensures the air tightness of the device, prevents the invasion of the external harmful atmosphere, and limits the water vapor content and the existence of free particles in the packaging cavity, thereby improving the reliability and stability of the device.

Aote Hengye's parallel sealing welding machine can meet customers' requirements for linear, linear array or rotating body packaging of optoelectronic devices, semiconductor devices and other products. The sealing welding size can cover rectangular tube shells of 2mm -180mm and circular tube shells with a diameter of less than 150mm. The editable welding force is 2-20 N, and the aging capacity is 150-300 pieces per hour (depending on the device difference). Sealing welding high precision, excellent cost performance '.

The equipment also has an automatic pre-welding operation. It can also be added with an automatic upper cover plate function module, which can be reshaped and positioned through a high-performance machine vision recognition system, and can realize the transfer and positioning of cover plate materials and ensure the accurate placement of the cover plate through the positive and negative pressure discharge and withdrawal functions of the suction nozzle. The automatic upper cover module supports three modes: material tray, cartridge and vibration tray. Also optional add vacuum heating box, out of the silo and other ancillary configuration.

In short, the principle of parallel seam welding plays an important role in the semiconductor and optical communication device industry. As a common equipment, the parallel sealing welding machine provides key support for the packaging process in this field. Through reasonable application and technological innovation, parallel seam welding technology will continue to promote the development and progress of semiconductor and optical communication device industry.

Principle of parallel sealing welding

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