3 ms·
Because the crystals as grown are circular (just first hit about the process https://youtu.be/XbBc4ByimY8 https://youtu.be/XbBc4ByimY8) From that one slices th
by sharpneli 6y ago
Because the crystals as grown are circular (just first hit about the process https://youtu.be/XbBc4ByimY8 https://youtu.be/XbBc4ByimY8)
From that one slices the wafers and then the processors get made. The ”extra” ones in the edges have pretty much zero marginal cost.
- DonHopkins 6y agoHere's another video that shows different ways silicon wafers are manufactured, including "silicon ribbon" which makes rectangular ribbons! https://www.youtube.com/watch?v=8QKzS_w_Ko0 https://www.youtube.com/watch?v=8QKzS_w_Ko0 Silicon Ribbons begin at 10:10. https://en.wikipedia.org/wiki/String_ribbon https://en.wikipedia.org/wiki/String_ribbon >Ribbon solar cells are a 1970s technology most recently sold by Evergreen Solar (which is now in receivership, i.e. bankrupt and liquidated), among other manufacturers. https://en.wikipedia.org/wiki/Crystalline_silicon#PV_industry https://en.wikipedia.org/wiki/Crystalline_silicon#PV_industr... >ribbon silicon (ribbon-Si), has currently no market