CN202993825U - Large-size wall thickness-reducing molybdenum crucible - Google Patents
Large-size wall thickness-reducing molybdenum crucible Download PDFInfo
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- CN202993825U CN202993825U CN 201220689440 CN201220689440U CN202993825U CN 202993825 U CN202993825 U CN 202993825U CN 201220689440 CN201220689440 CN 201220689440 CN 201220689440 U CN201220689440 U CN 201220689440U CN 202993825 U CN202993825 U CN 202993825U
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- wall thickness
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- molybdenum
- perisporium
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Abstract
The utility model relates to a large-size wall thickness-reducing molybdenum crucible, which includes a pure molybdenum barrel body with an open upper end, wherein a round bottom is formed at the center of the bottom of the pure molybdenum barrel body, the round bottom is connected with the circumferential wall of the pure molybdenum barrel body into a whole body through transition of a slanting bottom beveled edge, and the circumferential wall becomes thinner from the t\bottom to the top. The crucible is simple and concise in structure, and adopts the wall thickness reduction manner, so that the large-size crucible can be provided for production of sapphire.
Description
Technical field
The utility model belongs to the crucible technique field, relates to a kind of thick molybdenum crucible, and especially a kind of large scale becomes the wall thickness molybdenum crucible.
Background technology
Sapphire crystal has good optical property, mechanical performance and chemical stability.Intensity is high, hardness is large, resistance to erosion, thereby is widely used in the window material of infrared military installation, satellite spatial technology, high intensity laser beam.Its unique lattice structure, excellent mechanical property, good thermal property are the semiconductor GaN/Al2O3 light emitting diodes (LED) that sapphire crystal becomes practical application, the optimal backing materials such as large scale integrated circuit SOI and SOS and superconducting nano structural membrane.Therefore, low-cost, produce large-size sapphire single-crystal in high quality and become the current urgent task that faces.Present China LED illuminating material material requested dependence on import, the required large size sapphire crystal supply of national defense industry also is subject to severely restricts, seriously restricts the development of China's semiconductor lighting industry and national defense industry.
development along with LED semiconductor lighting industry, the demand of sapphire crystal strengthens, required Sapphire Substrate size also constantly increases, following development is 4 inches and 6 inches, and along with the variation of demand need be made large ingot, external maximum crystal is φ 400x400mm at present, due to the fusing point of molybdenum up to 2610 ℃, therefore molybdenum crucible extensively doubly is applied to sapphire single crystal growth furnace, the quartz glass smelting furnace, the cord cages such as industrial furnace such as rare-earth smelting stove, the working environment of its use is generally more than 2000 ℃, especially for sapphire single crystal growth furnace, has high-purity, high density, without internal fissure, size is accurate, the molybdenum crucible of the features such as inside and outside wall is bright and clean is to the brilliant success rate of the kind in the sapphire crystal growth process, the crystal pulling quality control, take off brilliant sticking pot and played crucial effect service life.And molybdenum belongs to difficult-to-deformation material, and its temperature-room type plasticity is poor, and the size of making simultaneously crucible is large, difficult forming.Making crucible must carry out mould pressing under heating condition, technical difficulty is large.And the size of the molybdenum crucible of making on present stage market is less, can't satisfy the dimensional requirement of required crucible.Linearity becomes the domestic manufacturer production that there is no of thin-wall seamless molybdenum crucible of wall thickness simultaneously.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of large scale to become the wall thickness molybdenum crucible, and this kind crucible structure is succinct, and adopts the mode that becomes wall thickness, can provide large-sized crucible for giving sapphire production.
The purpose of this utility model solves by the following technical programs:
This large scale becomes the wall thickness molybdenum crucible, comprise the pure molybdenum cylindrical shell that the upper end is uncovered, the bottom centre position of described pure molybdenum cylindrical shell is circular round bottom, and described round bottom links into an integrated entity by the transition of oblique bottom hypotenuse and the perisporium of pure molybdenum cylindrical shell, and described perisporium is attenuation gradually from bottom to top.
Uncovered edge, the upper end of above-mentioned pure molybdenum cylindrical shell is provided with outside flange.
Above-mentioned flange becomes 30 ° of angles with perisporium.
The external diameter of above-mentioned pure molybdenum cylindrical shell is 414mm, and height overall is 485mm, and vertical height is 465mm.
The wall thickness of above-mentioned perisporium from bottom to top by the 3mm linear change to 1.5mm.
The diameter of above-mentioned round bottom is 80mm; Coupling part between round bottom and perisporium is thickness 4.5mm, and angle is the taper seat of 8 °.
Large scale of the present utility model becomes the wall thickness molybdenum crucible and adopts the tube structure that becomes wall thickness, and adopt round bottom in the bottom, and round bottom is to be connected with taper seat with coupling part between perisporium, not only letter but also have very high practicality of such design, large-sized crucible is provided for sapphire production, improve existing sapphire production efficiency, also reduced production cost.For sapphire has been opened up wide in prospect with the exploitation of large scale molybdenum crucible.
Description of drawings
Fig. 1 is structure cutaway view of the present utility model.
Wherein: 1 is flange; 2 is perisporium; 3 is the bottom hypotenuse; 4 is round bottom.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, large scale of the present utility model becomes the wall thickness molybdenum crucible, comprise the pure molybdenum cylindrical shell that the upper end is uncovered, choose 〉=99.95% pure molybdenum, the bottom centre position of described pure molybdenum cylindrical shell is circular round bottom 4, round bottom 4 links into an integrated entity by the transition of oblique bottom hypotenuse 3 and the perisporium 2 of pure molybdenum cylindrical shell, the attenuation gradually from bottom to top of described perisporium 2.Uncovered edge, the upper end of described pure molybdenum cylindrical shell is provided with outside flange 1.2 one-tenth 30 ° of angles of flange 1 and perisporium.
In most preferred embodiment of the present utility model, the external diameter of described pure molybdenum cylindrical shell is 414mm, and height overall is 485mm, and vertical height is 465mm.The wall thickness of described perisporium 2 from bottom to top by the 3mm linear change to 1.5mm.The diameter of described round bottom 4 is 80mm; Coupling part between round bottom 4 and perisporium 2 is thickness 4.5mm, and angle is the taper seat of 8 °.
Claims (6)
1. a large scale becomes the wall thickness molybdenum crucible, it is characterized in that, comprise the pure molybdenum cylindrical shell that the upper end is uncovered, the bottom centre position of described pure molybdenum cylindrical shell is circular round bottom (4), described round bottom (4) links into an integrated entity by the transition of oblique bottom hypotenuse (3) and the perisporium (2) of pure molybdenum cylindrical shell, described perisporium (2) attenuation gradually from bottom to top.
2. large scale according to claim 1 becomes the wall thickness molybdenum crucible, it is characterized in that, uncovered edge, the upper end of described pure molybdenum cylindrical shell is provided with outside flange (1).
3. large scale according to claim 1 becomes the wall thickness molybdenum crucible, it is characterized in that, described flange (1) becomes 30 ° of angles with perisporium (2).
4. large scale according to claim 1 becomes the wall thickness molybdenum crucible, it is characterized in that, the external diameter of described pure molybdenum cylindrical shell is 414mm, and height overall is 485mm, and vertical height is 465mm.
5. large scale according to claim 1 becomes the wall thickness molybdenum crucible, it is characterized in that, the wall thickness of described perisporium (2) from bottom to top by the 3mm linear change to 1.5mm.
6. large scale according to claim 1 becomes the wall thickness molybdenum crucible, it is characterized in that, the diameter of described round bottom (4) is 80mm; Coupling part between round bottom (4) and perisporium (2) is thickness 4.5mm, and angle is the taper seat of 8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689440 CN202993825U (en) | 2012-12-13 | 2012-12-13 | Large-size wall thickness-reducing molybdenum crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689440 CN202993825U (en) | 2012-12-13 | 2012-12-13 | Large-size wall thickness-reducing molybdenum crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202993825U true CN202993825U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220689440 Expired - Lifetime CN202993825U (en) | 2012-12-13 | 2012-12-13 | Large-size wall thickness-reducing molybdenum crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202993825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016108240A (en) * | 2013-10-30 | 2016-06-20 | 株式会社アライドマテリアル | crucible |
| USD839444S1 (en) | 2013-08-21 | 2019-01-29 | A.L.M.T. Corp. | Crucible |
| CN114570819A (en) * | 2022-03-08 | 2022-06-03 | 成都联虹钼业有限公司 | Molybdenum crucible and spinning process thereof |
-
2012
- 2012-12-13 CN CN 201220689440 patent/CN202993825U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD839444S1 (en) | 2013-08-21 | 2019-01-29 | A.L.M.T. Corp. | Crucible |
| USD872872S1 (en) | 2013-08-21 | 2020-01-14 | A.L.M.T. Corp. | Crucible |
| JP2016108240A (en) * | 2013-10-30 | 2016-06-20 | 株式会社アライドマテリアル | crucible |
| JP2016108241A (en) * | 2013-10-30 | 2016-06-20 | 株式会社アライドマテリアル | crucible |
| CN114570819A (en) * | 2022-03-08 | 2022-06-03 | 成都联虹钼业有限公司 | Molybdenum crucible and spinning process thereof |
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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: XI' AN SUPER CRYSTAL NEW ENERGY MATERIAL CO., LTD. Free format text: FORMER OWNER: XI'AN SUPER CRYSTAL SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20130619 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130619 Address after: 710016 Xi'an economic and Technological Development Zone, Fengcheng, China, No. seven road, Shaanxi Patentee after: XI'AN SUPER CRYSTAL SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 710016 Xi'an economic and Technological Development Zone, Fengcheng, China, No. seven road, Shaanxi Patentee before: XI'AN SUPERCRYSYAL SCI-TECH DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |