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As the leading industrial solid-state laser manufacturer,RFH laser company offer 355nm ultraviolet (UV) laser,nanosecond 532nm green laser and customized laser ,power range in 3W ,5W ,10W ,15W,18W,35W,for marking plastics,gla
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Shenzhen RFH Laser Technology Co.,Ltd was founded in 2007 with headquarters in Shenzhen High-Tech Industrial Park, branch offices in Wuhan and Suzhou and production base in Huiyang.
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After 16 years of development, RFH now has an industrial laser oriented R&D team made up of top professionals and experts from both home and abroad. Its R&D departments cover engineering, laser and electric.
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太阳能网版薄膜脉冲紫外绿光激光切割促进光伏产业发展
Release time:2021/09/15
太阳能网版薄膜脉冲紫外绿光激光切割促进光伏产业发展

根据中国光伏行业协会的电池片成本构成数据:硅片成本占比65%,非硅成本占比35%,而金属化工序在电池成本中的占比超过20%,所以研发推动金属化进步的新技术对非硅降本至关重要。金属化工序通常采用丝网印刷设备把浆料印刷在电池表面上形成电路和电极,网版、浆料和印刷烧结是三大关键技术。
脉冲紫外绿光激光切割是革命性网版加工技术,为行业降本增效做贡献。与传统曝光网版工艺相比,激光切割网版主要有以下优势:
1、网版使用寿命:采用PI材料替代感光材料制作网版,耐摩擦性能更好,与先进的两次印刷技术搭配,网版的使用寿命可达2倍以上,直接降低了单片电池的网版分摊成本;另外网版更换频率的减少使丝印工序的产能提升和银浆损耗的降低,进一步降低了非硅成本;
2、 过程更环保:激光处理属于物理加工,无需化学显影液,无废液排放,对环境更加友好,极大改善了员工的工作环境;
3、 图案更变:在激光打标软件里直接绘制电极图案,省去制作曝光底片步骤,变更快捷,便于为客户提供定制化开发方案;
4、加工精度和品质:极大提高了良品率,另外激光加工可获得优异的开口锥度、更细的栅线宽度,优化印刷电极的高宽比,从而进一步降低银浆单耗。
关键词: 紫外绿光激光器
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