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Bridgman-method single crystal production device with integrated environment maintenance

A crucible descending method and a technology for a production device, which are applied in the directions of single crystal growth, crystal growth, chemical instruments and methods, etc.

Active Publication Date: 2010-08-11
江苏南田工机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to develop a method that can not only keep the air temperature field of the single crystal production site basically stable, but also protect the relevant production plants. device by which personnel are protected from toxic air

Method used

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  • Bridgman-method single crystal production device with integrated environment maintenance
  • Bridgman-method single crystal production device with integrated environment maintenance

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Embodiment Construction

[0026] figure 1 The partial morphology of the embodiment of this case and the air renewal operation of the single crystal incubator after the device is started are shown. The structure of the device in this example includes the air distribution chamber 1 and the single crystal incubator 11, and the set that are arranged adjacently from top to bottom. The air silo 8, the air distribution silo 1 is a silo-shaped object with a cavity for uniformly distributing fresh air from the outside of the single crystal incubation silo 11, and the bottom side panel 2 of the air distribution silo 1 is evenly distributed with many holes The side or top of the air distribution bin 1 is equipped with an air inlet port 10, and the air collection bin 8 is a bin-shaped object with a cavity for uniformly collecting toxic polluted air from the inside of the single crystal incubation bin 11, There are many holes evenly distributed on the upper side panel 7 of the air bin 8. The side or bottom of the ai...

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Abstract

The invention relates to a Bridgman-method single crystal production device with integrated environment maintenance, belongs to the field of single crystal growth, and aims to solve the problem that air is polluted by toxic elements in Bridgman-method single crystal production places. The device comprises a fan, and a gas distribution bin, a single crystal cultivation bin and a gas collection binwhich are adjacently connected and arranged together in turn from top to bottom, wherein numerous holes are uniformly distributed on a bottom-side panel of the gas distribution bin; the gas distribution bin is provided with an intake air interface; numerous holes are uniformly distributed on an upside panel of the gas collection bin; the gas collection bin is provided with an air exhaust interface; the bottom-side panel of the gas distribution bin simultaneously serves as a top panel of the single crystal cultivation bin; the upside panel of the gas collection bin simultaneously serves as a bottom panel of the single crystal cultivation bin; and an air outlet of the fan is communicated with the intake air interface of the gas distribution bin. By operating the device, the air of the single crystal cultivation bin can be continuously updated under the condition that the air temperature field of the single crystal cultivation bin is hardly disturbed. The device is in an integrated form.

Description

Technical field [0001] The invention relates to a single crystal production device with a crucible descending method for integrated and integrated environmental maintenance, which belongs to the field of C30B single crystal growth. Background technique [0002] The crucible descending single crystal growth method is a commonly used single crystal growth method. The material used for single crystal growth is placed in a cylindrical crucible, slowly lowered, and passed through a heating furnace with a certain temperature gradient, and the furnace temperature is controlled slightly higher than the melting point of the material. According to the nature of the material, the heating device can be a resistance furnace or a high frequency furnace. When passing through the heating zone, the material in the crucible is melted. When the crucible continues to fall, the temperature at the bottom of the crucible first drops below the melting point and begins to crystallize. The single crystal...

Claims

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Application Information

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IPC IPC(8): C30B11/00
Inventor 李榕生
Owner 江苏南田工机有限公司
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