Screenprinting productivity

As the solar photovoltaic industry's production scale increases and the number of process steps increases (to achieve higher efficiency), many problems, including the high capacity and the ability to handle thinner silicon wafers, become more and more. important.

At present, the output of crystalline silicon solar cell factories is about 1500 wafers/hour (per production line), and the industry’s goal is to achieve at least 3000 wafers/hour in the near future. This requires the use of highly advanced mechanical automation techniques to process the wafers at a high rate of fragmentation at a high speed.

This means that in the screen printing process such as the placement of the screen, the slurry coating and the blade movement need to be performed at a faster speed, and at the same time, the width and the alignment of the lines must maintain the original accuracy or even be more accurate.

The trend toward thinner and thinner (and therefore more fragile) silicon wafers has promoted the development of "soft" processing technologies to maintain low fragmentation rates and high yields. Applied materials company Baccini has become a world-renowned leader with its high-speed soft processing technology and the lowest fragmentation rate. A team of engineers with decades of experience is working on a number of technological innovations to maintain Bacini's leading position in the field of ultra-thin wafer processing.

in conclusion

Crystalline silicon solar cell screen printing is a technology for depositing wire and other applications, it is cost-effective and can be extended. The latest screen printing system has a high degree of automation, high output and the ability to handle ultra-thin wafers. Applied Materials' state-of-the-art Baccini screen printers help the industry realize emerging multi-print applications such as dual printing and selective emitter technologies with its excellent alignment accuracy and fine wire production capabilities, thereby improving battery efficiency and reducing solar power Cost per watt.

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