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【正文】 PV Conference ? Laser cutting and chemical etching suitable for stencil fabrication ? Both single amp。 PV Conference Cell Results amp。 PV Conference Finger Profile: ~50 181。 (b) the clean grooves after laser scribing and chemical etching. Oxide Single scribing Island (a) Oxide Formed wider groove (b) Features amp。 PV Conference a stencilprinted finger amp。 PV Conference 1. Mask fabrication 2. Pattern alignment Key Techniques 2021 SNEC International Solar amp。 2. Pretty high heighttowidth aspect ratio (as high as 5), leading to lower resistive losses, higher FF。 PV Conference 1. Features of Metallization for Screen Printing Silicon Solar Cells 2. Features of Metallization for Buried Contact Silicon Solar Cells 3. Features of Metallization for Hybrid Silicon Solar Cells 4. Processing Technology of Metal Stencils 5. LaserProcessed SingleLevel amp。 DoubleLevel Stainless Steel Stencil 6. Performance of Hybrid Silicon Solar Cells 7. Conclusions Contents 2021 SNEC International Solar amp。 3. Lower contact resistance, further reducing the resistive loses, increasing FF. Disadvantages: 1. Much longer metallization process。 PV Conference Aperture Profile: Cell side Squeegee side 40 181。 busbar 68 181。 Formation of the Grooves 2021 SNEC International Solar amp。m wide amp。 Best Cell IV Curve 619 4 245 Average
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