Amorphous silicon appears in the crossbeams of silicon rods
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Among the 24 pairs of rods, only one pair had earth-yellow amorphous silicon in its crossbeam, forming a large mass; I earnestly seek advice
It’s not silicon nitride, but amorphous silicon; it’s earthy yellow in color and can be peeled off. Moreover, in most cases, after about 10 hours, large bulges appear on the crossbeams, due to amorphous silicon
Pictures speak louder than words:lol:lol:lol:lol
It’s still a matter of the air flow dynamics; the flow speed of the air at the crossbeam is too low. What is the initial velocity of your nozzles? A value below 80 m/s is too slow