CN103014843A - Clamp for mounting seed crystal for growing sapphire crystal with kyropoulos method - Google Patents
Clamp for mounting seed crystal for growing sapphire crystal with kyropoulos method Download PDFInfo
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- CN103014843A CN103014843A CN2013100085255A CN201310008525A CN103014843A CN 103014843 A CN103014843 A CN 103014843A CN 2013100085255 A CN2013100085255 A CN 2013100085255A CN 201310008525 A CN201310008525 A CN 201310008525A CN 103014843 A CN103014843 A CN 103014843A
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- molybdenum
- joint
- connecting rod
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- seed crystal
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Abstract
The invention discloses a clamp for mounting seed crystal for growing sapphire crystal with a kyropoulos method. The clamp comprises a molybdenum joint and a molybdenum connecting rod, which are movably connected; the whole body of the molybdenum joint is a hollow sleeve; one end of the molybdenum joint is connected with a seed crystal rod; the inner wall of the other end of the molybdenum joint is an arc-shaped face, and is matched with the molybdenum connecting rod; the molybdenum connecting rod is provided with an end head in the shape of a circular truncated cone body; and the lateral face of the end head is an arc face, and is connected with the arc face of the molybdenum joint in a matched manner. According to the clamp for mounting the seed crystal for growing the sapphire crystal with the kyropoulos method provided by the invention, the molybdenum joint and the molybdenum connecting rod are in a movable connection manner rather than a thread hard connection manner. The molybdenum joint and the molybdenum connecting rod are in contact through the arc-shaped faces, and can relatively move. The molybdenum connecting rod can have a rotation space within a certain range. If a certain shift exists in a period of growing the crystal by the seed crystal, the molybdenum connecting rod offsets with the molybdenum joint for a certain distance, and can be prevented from being bent or even broken. The requirement on the offset during the period of growing the crystal by the seed crystal can be met; the clamp is difficult to damage; and the production cost can be saved.
Description
Technical field
The present invention relates to a kind of anchor clamps for the kyropoulos growing sapphire crystal, relate in particular to a kind of anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal.
Background technology
Adopt KY method (kyropoulos) growth φ 320mm optical grade sapphire crystal, it has, and the crystal volume is large, profile is complete, dislocation desity is little, water white transparency, optical homogeneity advantages of higher, represents current sapphire preparation technology's highest level.This product is the critical material of present semiconductor energy-saving illumination chip LED substrate, large-scale integrated circuit substrate etc.; Simultaneously because sapphire crystal has excellent optical property, mechanical property and chemical stability, intensity is high, hardness is large, resistance to erosion, can under the mal-condition near 2000 ℃ of high temperature, work, become the preferred material of the Disciplinary Frontiers such as current special equipment, infrared military installation, satellite spatial technology, high-performance window.
Large size sapphire crystal (85kg, 120kg, 250kg etc.) growth is a trend of future development, so particularly important to the structure design of grip device that seed crystal (crystal seed) is installed.In the past to a lot of types of being designed with of this grip device, nothing but that a end with seed crystal is embedded in the mold slots of tungsten clip head, then it is bundled fixing with molybdenum filament or tungsten aluminium wire, carrying out the hard of screw-type between molybdenum joint (being threaded with seed rod) and the molybdenum connecting rod simultaneously is connected, then seed crystal is inserted in the melt of Al2O3 of melting, carry out corresponding seeding technique, carry out the regular growth of accumulation of atom at the seed crystal end face.This type of design is when the cold heart skew of liquid (high temperature of 2045 degree) of melting, when perhaps other reasons such as temperature fields etc. cause the crystal growth to occur to be offset, so because crystal and seed crystal misalign the heart, be easy to occur the abnormal conditions such as seed crystal fracture or molybdenum connecting rod bending, produce unsuccessfully cost of idleness thereby cause.
Summary of the invention
Technical problem to be solved by this invention is the defective that overcomes prior art, a kind of anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal are provided, the generation of the abnormal conditions such as can avoid the molybdenum connecting rod bending or fracture, anchor clamps are not fragile, satisfy the demand of the side-play amount that produces during the seeded growth crystal.
For solving the problems of the technologies described above, the invention provides a kind of anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal, it is characterized in that,
The molybdenum joint and the molybdenum connecting rod that comprise movable connection;
Described molybdenum joint integral body is a hollow sleeve, and an end is connected with seed rod, and the inwall of the other end is arc, and is in mating connection with the molybdenum connecting rod;
Have a termination that is the Rotary-table shape on the described molybdenum connecting rod, this side, termination is arc, cooperates with arc in the described molybdenum joint.
Described molybdenum joint one end has internal thread, is threaded with seed rod.
The space that arc in the described molybdenum joint consists of can hold the therein activity of termination of described molybdenum connecting rod.
The space that described molybdenum joint concave profile consists of towards an end opening of internal thread greater than the opening towards the other end end face.
Described molybdenum connecting rod is one to have the straight-bar of described termination, and described termination global shape is Rotary-table, and the side surface of Rotary-table is arc.
The end that described Rotary-table diameter is less is connected with described straight-bar.
Arc in the described molybdenum joint is the sphere of radius 8.5mm, and the arc of described molybdenum small end head side is the sphere of radius 8.0mm.
Arc in the described molybdenum joint is sphere, and described molybdenum small end head is sphere, and described molybdenum small end head is that sphere is not more than the spherical radius in the described molybdenum joint.
The end that its opening of space that described molybdenum joint concave profile consists of is less connects the passage of one section toroidal, and it is larger that passage more extends its opening to the other end end face.
The beneficial effect that the present invention reaches:
The anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal of the present invention, no longer adopt the hard connecting mode of screw-type between molybdenum joint and the molybdenum connecting rod, be flexibly connected but adopt, the dependence arc contacts, can be movable relatively, the molybdenum connecting rod can have the revolution space in the certain limit, if certain skew is arranged during the seeded growth crystal, so the molybdenum connecting rod can be thereupon being offset certain distance can be so that molybdenum connecting rod bending even fracture, satisfy during the seeded growth crystal demand to side-play amount, anchor clamps are not fragile, saved production cost.
Description of drawings
Fig. 1 is the anchor clamps sectional view for the installation seed crystal of kyropoulos growing sapphire crystal;
Fig. 2 is the molybdenum joint schematic diagram among Fig. 1;
Fig. 3 is the molybdenum connecting rod schematic diagram among Fig. 1.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Such as Fig. 1, Fig. 2 and shown in Figure 3, the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal of the present invention comprise molybdenum joint 1 and the molybdenum connecting rod 2 of movable connection, molybdenum joint 1 integral body is a hollow sleeve, one end, 11 inwalls have internal thread, can be threaded with seed rod, the inwall of the other end 12 is designed to arc 13, is used in mating connection with molybdenum connecting rod 2.The space 14 that arc consists of is larger towards an end opening 141 of internal thread, and the space 14 that arc consists of is less towards the opening 142 of the other end end face 121, make 2 assemblings of molybdenum connecting rod after, can snap in the space 14 that arc consists of and not come off.
Better mode is the passage 15 that the less end of space 14 its openings that molybdenum joint concave profile consists of connects one section toroidal, and it is larger that passage 15 more extends its openings to the other end end face 121, and being beneficial to can be movable within the specific limits after 2 assemblings of molybdenum connecting rod.
Molybdenum connecting rod 2 has a straight-bar 22 and a termination 21, and these termination 21 global shapes are Rotary-table, and the side surface of Rotary-table is arc 211, can cooperate with the arc 13 in the molybdenum joint 1, and the little head end of Rotary-table is connected with straight-bar 22.
Better arc is the part of standard sphere, and the spherical radius in the molybdenum joint is R8.5mm, and the termination on the molybdenum connecting rod also is the part of standard sphere, and its radius is R8mm, makes molybdenum joint 1 can hold therein activity of termination 21.
When molybdenum joint 1 and 2 assembling of molybdenum connecting rod, the mode that no longer adopts the hard connection of traditional bolt type to combine, but the straight-bar 22 of molybdenum connecting rod 2 end 11 from molybdenum joint 1 is fitted inside, the termination 21 of molybdenum connecting rod 2 is stuck in the space 14 that the arcs in the molybdenum joint 2 consist of.Molybdenum joint 1 and molybdenum connecting rod 2 rely on arc 13,211 to contact like this, can be movable relatively, so whole molybdenum connecting rod 2 can have the revolution space in the certain limit, if certain skew is arranged during the seeded growth crystal, so molybdenum connecting rod 2 can be thereupon being offset certain distance can be so that molybdenum connecting rod 2 be crooked even fracture.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (9)
1. anchor clamps that are used for the installation seed crystal of kyropoulos growing sapphire crystal is characterized in that,
The molybdenum joint and the molybdenum connecting rod that comprise movable connection;
Described molybdenum joint integral body is a hollow sleeve, and an end is connected with seed rod, and the inwall of the other end is arc, and is in mating connection with the molybdenum connecting rod;
Have a termination that is the Rotary-table shape on the described molybdenum connecting rod, this side, termination is arc, cooperates with arc in the described molybdenum joint.
2. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 1 is characterized in that, described molybdenum joint one end has internal thread, is threaded with seed rod.
3. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 2 is characterized in that, it is movable therein that the space that the arc in the described molybdenum joint consists of can hold the termination of described molybdenum connecting rod.
4. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 2 is characterized in that, the space that described molybdenum joint concave profile consists of towards an end opening of internal thread greater than the opening towards the other end end face.
5. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 1 is characterized in that, described molybdenum connecting rod is one to have the straight-bar of described termination, and described termination global shape is Rotary-table, and the side surface of Rotary-table is arc.
6. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 5 is characterized in that, the end that described Rotary-table diameter is less is connected with described straight-bar.
7. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 1 is characterized in that, the arc in the described molybdenum joint is the sphere of radius 8.5mm, and the arc of described molybdenum small end head side is the sphere of radius 8.0mm.
8. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 1, it is characterized in that, arc in the described molybdenum joint is sphere, and described molybdenum small end head is sphere, and described molybdenum small end head is that sphere is not more than the spherical radius in the described molybdenum joint.
9. the anchor clamps of the installation seed crystal for the kyropoulos growing sapphire crystal according to claim 4, it is characterized in that, the end that its opening of space that described molybdenum joint concave profile consists of is less connects the passage of one section toroidal, and it is larger that passage more extends its opening to the other end end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008525.5A CN103014843B (en) | 2013-01-10 | 2013-01-10 | Clamp for mounting seed crystal for growing sapphire crystal with kyropoulos method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008525.5A CN103014843B (en) | 2013-01-10 | 2013-01-10 | Clamp for mounting seed crystal for growing sapphire crystal with kyropoulos method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103014843A true CN103014843A (en) | 2013-04-03 |
| CN103014843B CN103014843B (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310008525.5A Expired - Fee Related CN103014843B (en) | 2013-01-10 | 2013-01-10 | Clamp for mounting seed crystal for growing sapphire crystal with kyropoulos method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61261290A (en) * | 1985-05-14 | 1986-11-19 | Matsushita Electric Ind Co Ltd | Method of immobilizing seed crystal |
| JPH0648889A (en) * | 1992-07-27 | 1994-02-22 | Tokin Corp | Production of single crystal |
| CN2578342Y (en) * | 2002-10-15 | 2003-10-08 | 北京有色金属研究总院 | Seed crystal holder for monocrystal silicon growth by straight pull process |
| CN201268729Y (en) * | 2008-10-23 | 2009-07-08 | Omt集团有限公司 | Seed crystal clamping device |
| CN101781792A (en) * | 2009-12-23 | 2010-07-21 | 常州亿晶光电科技有限公司 | Crystal clamp part for broaching silicon rod |
| KR20110095578A (en) * | 2010-02-19 | 2011-08-25 | 네오세미테크 주식회사 | The seed chuck against the drop of the large caliber sapphire ingot |
| CN102312288A (en) * | 2011-07-04 | 2012-01-11 | 浙江晶盛机电股份有限公司 | Self-tightening type seed crystal chuck |
| CN202499931U (en) * | 2011-12-22 | 2012-10-24 | 徐州协鑫光电科技有限公司 | Seed crystal clamp |
| CN203065631U (en) * | 2013-01-10 | 2013-07-17 | 苏州巍迩光电科技有限公司 | Clamp for growing mounting seed crystals of sapphire crystals through utilizing kyropoulos method |
-
2013
- 2013-01-10 CN CN201310008525.5A patent/CN103014843B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61261290A (en) * | 1985-05-14 | 1986-11-19 | Matsushita Electric Ind Co Ltd | Method of immobilizing seed crystal |
| JPH0648889A (en) * | 1992-07-27 | 1994-02-22 | Tokin Corp | Production of single crystal |
| CN2578342Y (en) * | 2002-10-15 | 2003-10-08 | 北京有色金属研究总院 | Seed crystal holder for monocrystal silicon growth by straight pull process |
| CN201268729Y (en) * | 2008-10-23 | 2009-07-08 | Omt集团有限公司 | Seed crystal clamping device |
| CN101781792A (en) * | 2009-12-23 | 2010-07-21 | 常州亿晶光电科技有限公司 | Crystal clamp part for broaching silicon rod |
| KR20110095578A (en) * | 2010-02-19 | 2011-08-25 | 네오세미테크 주식회사 | The seed chuck against the drop of the large caliber sapphire ingot |
| CN102312288A (en) * | 2011-07-04 | 2012-01-11 | 浙江晶盛机电股份有限公司 | Self-tightening type seed crystal chuck |
| CN202499931U (en) * | 2011-12-22 | 2012-10-24 | 徐州协鑫光电科技有限公司 | Seed crystal clamp |
| CN203065631U (en) * | 2013-01-10 | 2013-07-17 | 苏州巍迩光电科技有限公司 | Clamp for growing mounting seed crystals of sapphire crystals through utilizing kyropoulos method |
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| Publication number | Publication date |
|---|---|
| CN103014843B (en) | 2015-05-27 |
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Effective date of registration: 20151102 Address after: 225300 North Road, Gaogang science and Technology Park, high port area, Taizhou, Jiangsu Patentee after: Jiangsu Guojing Photoelectric Technology Co., Ltd. Address before: 215211, No. 558 Fen Lake Road, Fen Lake Economic Development Zone, Suzhou, Jiangsu, Wujiang Patentee before: Suzhou We Are Optoelectronics Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20190110 |