CN103060903A - A heating electrode for the production of sapphire crystal by using a KY method - Google Patents
A heating electrode for the production of sapphire crystal by using a KY method Download PDFInfo
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- CN103060903A CN103060903A CN2012105817749A CN201210581774A CN103060903A CN 103060903 A CN103060903 A CN 103060903A CN 2012105817749 A CN2012105817749 A CN 2012105817749A CN 201210581774 A CN201210581774 A CN 201210581774A CN 103060903 A CN103060903 A CN 103060903A
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Abstract
The invention discloses a heating electrode for the production of sapphire crystal by using a KY method. The end of the electrode is perpendicular to the end face of electrode fixing seats; both two electrode fixing seats are annular circles, and are in coaxial distribution; the electrodes are arranged on a circle concentric with the annular circles, are in interleaving connection with the two electrode fixing seats, and the electrodes-connected end surfaces of the two electrodes are staggered on the axes of the annular circles; and both ends of each electrode are respectively connected to the two electrode fixing seats. By adopting the above technical solution, the positive and negative terminals of the electrodes are alternately distributed on the circumference, the long cylinders formed by the electrodes uniformly generate heating, the cold core of aluminum oxide liquid in the crucible is easy to determine, the seeding is easy, and the heat-generating body deforms little; the intersection concentric circle surface of the lower part of the heat-generating body is large, so tungsten or molybdenum support rod with a larger diameter can be placed to ensure that the crucible is not inclined; and the heat-generating body deforms little after each batch, enabling the crystal growth process of sapphire production by using the KY method more optimized, and facilitating the promotion in large-scale production.
Description
Technical field
The invention belongs to the technical field of artificial lens production process equipment, relate to the tooling that the KY method is produced sapphire crystal, more particularly, the present invention relates to a kind of heating electrode of producing sapphire crystal for the KY method.
Background technology
About the heating electrode of KY method production sapphire crystal, in the state of the art, the structure of its heating member is: cut off in the middle of the circular concentric electrode permanent seat, Yi Bian be anodal, Yi Bian be negative pole.Its principle of work is: tungsten bar back arrives the negative pole permanent seat on the anodal permanent seat to the bottom by being fixed on when power supply, the work of beginning thermal field.
As shown in Figures 1 to 4:
Concentrically ringed electrode permanent seat is divided into the structure of two semicircle annulars, is respectively the first electrode permanent seat 1 and the second electrode permanent seat 4, and is respectively positive pole and negative pole.
Its mode that is fastenedly connected is in the side of electrode permanent seat, is threaded connection electrode 5 fastening (shown in Figure 4).
The end of electrode 5 evenly distributes on the first electrode permanent seat 1 and the second electrode permanent seat 4.As shown in Figures 2 and 3.
On the cross section of described a plurality of electrodes 5, electrode 5 is distributed on the circular corresponding circumference with described electrode permanent seat, and like this, all electrodes 5 consist of cylindrical in shape.By electrode fixedly outer shroud 2 and electrode fixing in ring 3 in columniform lateral location that electrode 5 is fixing; As shown in Figure 1 and Figure 4.
Electrode fixedly outer shroud 2 and electrode fixing in ring 3 also the same with the second electrode permanent seat 4 with the first electrode permanent seat 1, be two semicircles, make the positive pole of electrode, negative pole at this place conducting not occur.Electrode fixedly outer shroud 2 and electrode fixing in ring 3 at this columniform axis direction many groups are set.Be provided with as shown in Figure 15 groups, play good fixed action.
Also can find out in Fig. 2 and Fig. 3: the quantity of electrode 5 is 24, is divided into 6 groups, and 4 every group, the connection section of two bendings on the electrode 5 in every group is parallel to each other; Each bending connection section axis in columniform bottom of organizing electrode 5 forms three layers, staggers mutually.In plane projection, 6 groups of electrodes 5 have 4 groups of formation " well " font, in addition two groups with described " well " one side any of word is 45 ° of angles.
Adopt insulating material that the first electrode permanent seat 1 and the second electrode permanent seat 4 are connected and fixed.
The shortcoming of technique scheme is:
1, semicircle electrode of concentric(al) circles is anodal, and another semicircle is negative pole, easily causes the elongated cylindrical heating inhomogeneous, in the crucible aluminium sesquioxide liquid cooling heart float indefinite, the seeding difficulty of sowing;
2, the heating element bottom concentric disc little (i.e. described " well " font in the middle of space) that crosses can only be laid tungsten, the molybdenum support stick of small diameter, and high temperature causes insufficient strength, so that crucible tilts, and quality and security incident occur;
3, because heating element is yielding, need veteran technician to adjust after whenever driving a stove; Wanted for 5～8 years and cultivate so veteran technician, so be difficult in scale operation, apply.
Summary of the invention
The invention provides and a kind ofly produce the heating electrode of sapphire crystal for the KY method, its objective is optimized production process and improve the working condition of equipment.
To achieve these goals, the technical scheme taked of the present invention is:
The heating electrode of producing sapphire crystal for the KY method provided by the invention, comprise a plurality of electrodes, two electrode permanent seats, also be provided with the electrode fixed ring, described electrode and described electrode permanent seat are fastenedly connected, be equipped with two bendings on each electrode, make electrode form " Qian " shape, the end of described electrode is vertical with the end face of described electrode permanent seat;
Described two electrode permanent seats are annular, and coaxial line distributes;
Described electrode with the concentric circle of described annular on, staggered be connected with two described electrode permanent seats, and the end face that two electrode permanent seats are connected with electrode staggers at the axis of described annular;
The two ends of each described electrode are connected with two electrode permanent seats respectively.
Described two electrode permanent seats are respectively anodal permanent seat and negative pole permanent seat, and an end of each described electrode passes described negative pole permanent seat, are fastenedly connected with described anodal permanent seat.
Described electrode fixed ring is respectively negative pole fixed ring and anodal fixed ring, and is annular; On the plane perpendicular to electrode permanent seat axis, described electrode fixed ring compartment of terrain is connected with described electrode.
Described electrode is divided into six groups, and each quantity of organizing electrode equates; The same end of electrode in every group is adjacent, and the connection section of two bendings of the electrode in every group is parallel to each other, forms the plane perpendicular to described electrode permanent seat axis; The connection section of two bendings of the described electrode in per three groups forms an equilateral trilateral, totally two equilateral trilaterals; These two equilateral trilateral stacks consist of positive hexagram.
The connection section of two bendings of all electrodes on described each equilateral triangle in one plane, therefore, is formed the plane of two so not coplanars by two equilateral triangles.
The present invention adopts technique scheme, and the positive and negative end of electrode alternately distributes at circumference, and the elongated cylindrical heating that electrode forms is even, and the aluminium sesquioxide liquid cooling heart is determined easily in the crucible, and seeding is sowed easily, and the heating element distortion is few; The heating element bottom concentric disc that crosses is large, can lay larger-diameter tungsten, molybdenum support stick, guarantees that crucible does not tilt; Because the distortion that heating element of the present invention is whenever opened behind the stove is few, can make KY method (being kyropoulos) produce the long brilliant technique that forms of sapphire and more optimize, be convenient in scale operation, promote.
Description of drawings
The below makes brief description to the expressed content of each width of cloth accompanying drawing of this specification sheets and the mark among the figure:
Fig. 1 is the heating member structural representation described in the background technology;
Fig. 2 is the schematic top plan view of structure shown in Figure 1;
Fig. 3 is the elevational schematic view of structure shown in Figure 1;
Fig. 4 is the sectional structure synoptic diagram of electrode permanent seat among Fig. 1;
Fig. 5 is the elevational schematic view of structure shown in Figure 6;
Fig. 6 is structural representation of the present invention;
Fig. 7 is the schematic top plan view of structure shown in Figure 6;
Fig. 8 is the sectional structure synoptic diagram of electrode permanent seat among Fig. 6.
Being labeled as among Fig. 1 to Fig. 4:
1, the first electrode permanent seat, 2, the fixing outer shroud of electrode, 3, electrode fixing in ring, the 4, second electrode permanent seat, 5, electrode.
Being labeled as among Fig. 5 to Fig. 8:
1, negative pole fixed ring, 2, anodal permanent seat, 3, the negative pole permanent seat, 4, anodal fixed ring, 5, electrode.
Embodiment
The below contrasts accompanying drawing, and the description by to embodiment is described in further detail the specific embodiment of the present invention, to help those skilled in the art inventive concept of the present invention, technical scheme is had more complete, accurate and deep understanding.
The of the present invention structure expressed such as Fig. 5 to Fig. 8, be a kind of heating electrode of producing sapphire crystal for KY method (being kyropoulos), comprise a plurality of electrodes 5, two electrode permanent seats, also be provided with the electrode fixed ring, described electrode 5 is fastenedly connected with described electrode permanent seat, be equipped with two bendings on each electrode 5, make electrode 5 form " Qian " shape, the end of described electrode 5 is vertical with the end face of described electrode permanent seat.Its mode that is fastenedly connected is in the side of electrode permanent seat, is threaded connection electrode 5 fastening (shown in Figure 8).
Because in the KY method, very high to the stability requirement of the cold heart, because seed crystal begins to grow and depends on the stable cold heart.
In order to solve the problem that prior art exists and to overcome its defective, realize optimized production process and improve the goal of the invention of the working condition of equipment that the technical scheme that the present invention takes is:
As shown in Figure 8, the heating electrode for KY method production sapphire crystal provided by the invention, described two electrode permanent seats are annular, and coaxial line distributes;
Described electrode 5 with the concentric circle of described annular on, staggered be connected with two described electrode permanent seats, and the end face that two electrode permanent seats are connected with electrode 5 staggers at the axis of described annular;
The two ends of each described electrode are connected with two electrode permanent seats respectively.
On the cross section of described a plurality of electrodes 5, electrode 5 is distributed on the circular corresponding circumference with described electrode permanent seat, and like this, all electrodes 5 consist of cylindrical in shape.
Principle of work of the present invention is: when positive source accesses from this heating element is anodal, through being fixed on anodal tungsten bar, back arrive the negative pole shaft collar by negative pole (negative pole empty avoiding) to the bottom.Low voltage, large electric current produce heat, the work of beginning thermal field.
The positive and negative end of electrode alternately distributes at circumference, and the elongated cylindrical heating that electrode forms is even, and the aluminium sesquioxide liquid cooling heart is determined easily in the crucible, and seeding is sowed easily, and the heating element distortion is few.Therefore, optimized production process and improve the working condition of equipment.Because the distortion that heating element of the present invention is whenever opened behind the stove is few, can make KY method (being kyropoulos) produce the long brilliant technology that forms of sapphire, be convenient in scale operation, promote.
As shown in Figure 7 and Figure 8, described two electrode permanent seats are respectively anodal permanent seat 2 and negative pole permanent seat 3, one end of each described electrode 5 passes described negative pole permanent seat 3(i.e. above-described " negative pole empty avoiding ", is fastenedly connected with described anodal permanent seat 2.Arrange accordingly through hole on the negative pole permanent seat 3 greater than the diameter of electrode 5, can not collide its assurance.
As shown in Figure 5 and Figure 6, described electrode fixed ring is respectively negative pole fixed ring 1 and anodal fixed ring 4, and is annular; On the plane perpendicular to electrode permanent seat axis, described electrode fixed ring compartment of terrain is connected with described electrode 5.
In columniform lateral location that electrode 5 is fixing by negative pole fixed ring 1 and anodal fixed ring 4.Shown in Figure 6, six groups of fixed rings are set altogether, every group of fixed ring has a negative pole fixed ring 1 and an anodal fixed ring 4, and the fixed electorde 5 that staggers is respectively avoided circuit conducting on fixed ring.
Such as Fig. 5 and shown in Figure 7:
Described electrode 5 is divided into six groups, and each quantity of organizing electrode 5 equates; Electrode 5 same ends in every group are adjacent, and the connection section of two bendings of the electrode 5 in every group is parallel to each other, form the plane perpendicular to described electrode permanent seat axis; The connection section of two bendings of the described electrode 5 in per three groups forms an equilateral triangle, totally two equilateral triangles; These two equilateral triangle stacks consist of positive hexagram.
This positive double triangles six rayed star is called again " star of David ", i.e. Israel's national flag pattern.This positive hexagram is based on above-mentioned electrode alternately could realize that in the permanent seat installation its technical scheme is closely related.The permanent seat of available technology adopting semicircle just can't be accomplished.Like this, the heating element bottom concentric disc that crosses is large, has in fact formed a lower hexagonal passage, and area is much bigger, can lay larger-diameter tungsten, molybdenum support stick, guarantees that crucible does not tilt;
To shown in Figure 7, the connection section of two bendings of all electrodes 5 on described each equilateral triangle distributes in one plane, therefore, is formed the plane of two so not coplanars by two equilateral triangles such as Fig. 5.Lack one deck than prior art, improved heating efficiency.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (5)
1. one kind is used for the heating electrode that the KY method is produced sapphire crystal, comprise a plurality of electrodes (5), two electrode permanent seats, also be provided with the electrode fixed ring, described electrode (5) is fastenedly connected with described electrode permanent seat, be equipped with two bendings on each electrode (5), make electrode (5) form " Qian " shape, the end of described electrode (5) is vertical with the end face of described electrode permanent seat;
It is characterized in that:
Described two electrode permanent seats are annular, and coaxial line distributes;
Described electrode (5) with the concentric circle of described annular on, staggered be connected with two described electrode permanent seats, and the end face that two electrode permanent seats are connected with electrode (5) staggers at the axis of described annular;
The two ends of each described electrode are connected with two electrode permanent seats respectively.
2. according to the heating electrode of producing sapphire crystal for the KY method claimed in claim 1, it is characterized in that: described two electrode permanent seats are respectively anodal permanent seat (2) and negative pole permanent seat (3), one end of each described electrode (5) passes described negative pole permanent seat (3), is fastenedly connected with described anodal permanent seat (2).
3. according to the heating electrode for KY method production sapphire crystal claimed in claim 1, it is characterized in that: described electrode fixed ring is respectively negative pole fixed ring (1) and anodal fixed ring (4), and is annular; On the plane perpendicular to electrode permanent seat axis, described electrode fixed ring compartment of terrain is connected with described electrode (5).
4. according to claim 1 or 2 or 3 described heating electrodes for KY method production sapphire crystal, it is characterized in that: described electrode (5) is divided into six groups, and each quantity of organizing electrode (5) equates; The same end of electrode (5) in every group is adjacent, and the connection section of two bendings of the electrode (5) in every group is parallel to each other, forms the plane perpendicular to described electrode permanent seat axis; The connection section of two bendings of the described electrode (5) in per three groups forms an equilateral triangle, totally two equilateral triangles; These two equilateral triangle stacks consist of positive hexagram.
5. according to the heating electrode of producing sapphire crystal for the KY method claimed in claim 4, it is characterized in that: the connection section of two bendings of all electrodes (5) on described each equilateral triangle, distribute in one plane, therefore, formed the plane of two so not coplanars by two equilateral triangles.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210581774.9A CN103060903B (en) | 2012-12-28 | 2012-12-28 | A heating electrode for the production of sapphire crystal by using a KY method |
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| CN201210581774.9A CN103060903B (en) | 2012-12-28 | 2012-12-28 | A heating electrode for the production of sapphire crystal by using a KY method |
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| CN103060903A true CN103060903A (en) | 2013-04-24 |
| CN103060903B CN103060903B (en) | 2015-04-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160919A (en) * | 2013-03-09 | 2013-06-19 | 青海铸玛蓝宝石晶体有限公司 | Heating electrodes in sapphire crystal Kyropoulos production device |
| CN104790028A (en) * | 2015-05-05 | 2015-07-22 | 何康玉 | Heating body in sapphire crystal production device by kyropoulos method |
| CN105113019A (en) * | 2015-09-29 | 2015-12-02 | 何康玉 | Heating electrode with heating tungsten bars |
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| CN201411510Y (en) * | 2009-06-26 | 2010-02-24 | 哈尔滨工大奥瑞德光电技术有限公司 | Birdcage-structured resistance heating element of single crystal furnace for growth of big size sapphire |
| CN102321914A (en) * | 2011-10-09 | 2012-01-18 | 广州市晶蓝灯饰有限公司 | Water cooled electrode of kyropoulos sapphire crystal growing furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160919A (en) * | 2013-03-09 | 2013-06-19 | 青海铸玛蓝宝石晶体有限公司 | Heating electrodes in sapphire crystal Kyropoulos production device |
| CN103160919B (en) * | 2013-03-09 | 2016-01-27 | 青海铸玛蓝宝石晶体有限公司 | Heating electrode in a kind of kyropoulos production unit of sapphire crystal |
| CN104790028A (en) * | 2015-05-05 | 2015-07-22 | 何康玉 | Heating body in sapphire crystal production device by kyropoulos method |
| CN105113019A (en) * | 2015-09-29 | 2015-12-02 | 何康玉 | Heating electrode with heating tungsten bars |
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| CN103060903B (en) | 2015-04-29 |
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Denomination of invention: A heating electrode for the production of sapphire crystal by using a KY method Effective date of registration: 20160616 Granted publication date: 20150429 Pledgee: Open the country development fund company limited Pledgor: Qinghai Zhuma Sapphire Crystal Co., Ltd. Registration number: 2016630000002 |
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Effective date of registration: 20220308 Granted publication date: 20150429 |