Air separation of polysilicon
First Claim
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1. A separation device for separating small fragments from large fragments of semiconductor material, comprisingan apparatus having at least one blower means and at least one deflector means for guiding fragments of semiconductor material into and through an active separation zone containing said blower means which provides an initial separation of the small fragments from the large fragments;
- said deflector means providing a final separation of the small fragments from the large fragments;
wherein the blower means has a plurality of nozzles arranged one above another in a nozzle vertical channel; and
said nozzle vertical channel having means for vertical displacement of said nozzles.
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Abstract
A separation device which has at least one blower device and at least one deflector device can be used to separate large fragments of semiconductor material from small fragments of semiconductor material.
21 Citations
7 Claims
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1. A separation device for separating small fragments from large fragments of semiconductor material, comprising
an apparatus having at least one blower means and at least one deflector means for guiding fragments of semiconductor material into and through an active separation zone containing said blower means which provides an initial separation of the small fragments from the large fragments; -
said deflector means providing a final separation of the small fragments from the large fragments;
wherein the blower means has a plurality of nozzles arranged one above another in a nozzle vertical channel; and
said nozzle vertical channel having means for vertical displacement of said nozzles. - View Dependent Claims (2, 3)
wherein the deflector means has means for horizontal displacement and has means for vertical displacement. -
3. The device as claimed in claim 1, wherein said blower means has means for horizontal displacement of the nozzles, and said blower means has means for pivotable displacement of the nozzles.
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4. A method for separating small fragments from large fragments of semiconductor material, comprising
guiding fragments of semiconductor material into and through an active separation zone containing a blower means which provides an initial separation of the small fragments from the large fragments; -
providing a final separation of the small fragments from the large fragments by using a deflector means; and
wherein the blower means has a plurality of nozzles arranged one above another in a nozzle vertical channel;
said nozzle vertical channel having means for vertical displacement of said nozzles. - View Dependent Claims (5)
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6. A separation device for separating small fragments from large fragments of semiconductor material, comprising
an apparatus having at least one blower means and at least one deflector means for guiding fragments of semiconductor material into and through an active separation zone containing said blower means which provides an initial separation of the small fragments from the large fragments; - and said deflector means providing a final separation of the small fragments from the large fragments;
wherein the deflector means has means for horizontal displacement and has means for vertical displacement; and
wherein the deflector means comprises a roof having arms connected to bearing pins; and
said bearing pins fitting within vertical bearing channels to permit vertical displacement of said roof.
- and said deflector means providing a final separation of the small fragments from the large fragments;
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7. A method for separating small fragments from large fragments of semiconductor material, comprising
guiding fragments of semiconductor material into and through an active separation zone containing a blower means which provides an initial separation of the small fragments from the large fragments; - and
providing a final separation of the small fragments from the large fragments by using a deflector means;
wherein the deflector means has means for horizontal displacement and has means for vertical displacement; and
wherein the deflector means comprises a roof having arms connected to bearing pins; and
said bearing pins fitting within vertical bearing channels to permit vertical displacement of said roof.
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Specification