CN201538827U - Crucible cover plate capable of adjusting temperature gradient of solid liquid interface - Google Patents
Crucible cover plate capable of adjusting temperature gradient of solid liquid interface Download PDFInfo
- Publication number
- CN201538827U CN201538827U CN2009202102324U CN200920210232U CN201538827U CN 201538827 U CN201538827 U CN 201538827U CN 2009202102324 U CN2009202102324 U CN 2009202102324U CN 200920210232 U CN200920210232 U CN 200920210232U CN 201538827 U CN201538827 U CN 201538827U
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- CN
- China
- Prior art keywords
- cover plate
- crucible cover
- liquid interface
- crucible
- temperature gradient
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model provides a crucible cover plate capable of adjusting the temperature gradient of the solid liquid interface, which relates to a thermal field structure for crystal growth and is mainly used on a crucible for crystal growth. The crucible cover plate is characterized in that the inner walls of the crucible cover plate extend outwards along the center, and the thicknesses of circle surfaces of all the concentric circles are different from each other. The crucible cover plate has the benefit that, as a result of turning the inside surface of the crucible cover plate into surfaces with different thicknesses, the heat radiation, heat convection and heat conduction of the cover plate are changed to the extent that the distribution of temperatures on the solid liquid interface reaches the required level, thereby increasing the size and improving the quality of crystals.
Description
Technical field
The utility model relates to the crystal growth thermal field structure, the particularly a kind of crucible cover plate that can regulate temperature gradient of solid-liquid interface.
Background technology
In crystal growth, the control of thermograde is very important; The thermograde of solid-liquid interface grows the key of gem-quality crystal material especially in the control crucible.The growth method that different crystalline materials is different is to the requirement difference of solid-liquid interface; The gradient of solid-liquid interface becomes the gordian technique that grows gem-quality crystal, and the crucible cover plate design of traditional uniform thickness perforate can not provide suitable temperature (referring to Fig. 1 and Fig. 2).
The utility model content
The technical problem that the utility model solved is to provide a kind of and regulates the gradient of solid-liquid interface by changing crucible cover plate, and obtain needed high temperature of crystal growth and temperature distribution, thereby improved a kind of crucible cover plate that can regulate temperature gradient of solid-liquid interface of crystalline size and quality.
The technical problem that the utility model solved realizes by the following technical solutions:
A kind of crucible cover plate that can regulate temperature gradient of solid-liquid interface is mainly used in crystal growth with the crucible cover plate on the crucible, and it is characterized in that: described crucible cover plate inwall is stretching out along central spot, and the anchor ring of each donut is shaped on different thickness.
The material of described crucible cover plate is refractory metal or alloy, or the high-melting-point pottery, or graphite material, or combination arbitrarily in the above material.
Described central point line between the edge is linear, non-linear, sphere, aspheric surface, ellipse, waviness except that uniform thickness.
The beneficial effects of the utility model are that the crucible cover plate medial surface is made non-uniform thickness, have changed thermal radiation, thermal convection and thermal conduction, make the temperature distribution of solid-liquid interface arrive the requirement of technology, have improved crystalline size and quality.
Description of drawings
Fig. 1 is conventional crucibles and crucible cover plate structural representation;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a kind of embodiment synoptic diagram of the utility model crucible cover plate;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the another kind of embodiment synoptic diagram of the utility model crucible cover plate;
Fig. 6 is the vertical view of Fig. 5.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Shown in Fig. 3,4, in conjunction with Fig. 1 as can be known, a kind of crucible cover plate that can regulate temperature gradient of solid-liquid interface, be mainly used in the crucible cover plate 2 on the crystal growth usefulness crucible 1, crucible cover plate 2 is by refractory metal or alloy, or the high-melting-point pottery, or graphite material, or combination is arbitrarily made in the above material.Stretch out in the central spot along crucible cover plate 2 inwalls, the anchor ring of each donut is shaped on different thickness, forms stepped 21 table top.
Shown in Fig. 5,6, stretch out in central spot along crucible cover plate 2 inwalls, the anchor ring of donut is shaped on different thickness, forms the table top of rectilinearity 22.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. the crucible cover plate that can regulate temperature gradient of solid-liquid interface, be mainly used in crystal growth with the crucible cover plate on the crucible, it is characterized in that: described crucible cover plate inwall is stretching out along central spot, and the anchor ring of each donut is shaped on different thickness.
2. according to the described crucible cover plate that can regulate temperature gradient of solid-liquid interface of claim 1, it is characterized in that: the material of described crucible cover plate is refractory metal or alloy, or the high-melting-point pottery, or graphite material, or combination arbitrarily in the above material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202102324U CN201538827U (en) | 2009-09-27 | 2009-09-27 | Crucible cover plate capable of adjusting temperature gradient of solid liquid interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202102324U CN201538827U (en) | 2009-09-27 | 2009-09-27 | Crucible cover plate capable of adjusting temperature gradient of solid liquid interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201538827U true CN201538827U (en) | 2010-08-04 |
Family
ID=42590280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202102324U Expired - Fee Related CN201538827U (en) | 2009-09-27 | 2009-09-27 | Crucible cover plate capable of adjusting temperature gradient of solid liquid interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201538827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139484A1 (en) * | 2011-04-11 | 2012-10-18 | 江西稀有金属钨业控股集团有限公司 | Tantalum-material multilevel distillation crucible and distillation process |
-
2009
- 2009-09-27 CN CN2009202102324U patent/CN201538827U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139484A1 (en) * | 2011-04-11 | 2012-10-18 | 江西稀有金属钨业控股集团有限公司 | Tantalum-material multilevel distillation crucible and distillation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUANLIANG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI UNIONLIGHT PHOTOELECTRIC TECHNOLOGY CO., LTD. Effective date: 20120528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201800 JIADING, SHANGHAI TO: 214037 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120528 Address after: 214037 Jinshan four branch road, Jinshan west science and Technology Park, Jianghai West Road, Jiangsu, Wuxi province 9 Patentee after: Unionlight Technology Co., Ltd. Address before: 201800 Shanghai Jiading District Malu Town Jiajian Road No. 328 building 6 floor Patentee before: Shanghai Unionlight Photoelectric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20160927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |