Reinforced molybdenum crucible
By plugging the reinforcement layer on the outside of the side wall of the molybdenum crucible and using a molybdenum cylinder to limit the position, the problem of collapse and deformation of the side wall of the molybdenum crucible is solved, and the stability of crystal growth and the service life of the molybdenum crucible are improved.
Patent Information
- Application Number
- CN202422487357.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing molybdenum crucibles are prone to side wall collapse and deformation during crystal growth, resulting in difficulty or failure in crystal growth and short service life.
The reinforcement layer is connected to the outside of the side wall of the molybdenum crucible, and the reinforcement layer is limited through the molybdenum cylinder to enhance the strength of the side wall of the molybdenum crucible, and the load bearing capacity is further improved using honeycomb reinforcement ribs.
Effectively prevent the side wall of the molybdenum crucible from collapse or deforming, keep the temperature gradient stable during crystal growth, and extend the service life of the molybdenum crucible.
Smart Images
Figure CN223189287U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of molybdenum crucibles, in particular to a reinforced molybdenum crucible. Background Art
[0002] Currently, molybdenum crucibles are often used when growing crystals using the Czochralski method. However, during the crystal growth process, existing molybdenum crucibles are prone to sidewall collapse and deformation, which can make crystal growth difficult, even leading to growth failure and crucible leakage. Utility Model Content
[0003] In order to overcome the defects of the prior art, the utility model provides a reinforced molybdenum crucible, which can improve the strength of the side wall of the molybdenum crucible.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A reinforced molybdenum crucible comprises a molybdenum crucible, wherein a reinforcing rib layer is sleeved on the outer side of a side wall of the molybdenum crucible.
[0006] The beneficial effect of adopting the above technical solution is: during the crystal growth process, when the side wall of the molybdenum crucible tends to collapse or deform, the reinforcing rib layer sleeved on the outside of the side wall of the molybdenum crucible can increase the strength of the side wall of the molybdenum crucible to prevent the side wall of the molybdenum crucible from collapsing or deforming, which is beneficial to crystal growth and helps to extend the service life of the molybdenum crucible.
[0007] In one embodiment, a molybdenum cylinder is sleeved on the outer side of the reinforcing rib layer.
[0008] The beneficial effect of adopting the above technical solution is that the molybdenum cylinder can cooperate with the molybdenum crucible to limit the reinforcing rib layer, so that the reinforcing rib layer can be firmly sleeved on the molybdenum crucible.
[0009] In one embodiment, the reinforcement layer includes honeycomb reinforcements filled between the molybdenum crucible and the molybdenum cylinder.
[0010] The beneficial effects of adopting the above technical solution are: the honeycomb reinforcement ribs have a stronger bearing capacity and can further enhance the strength of the side wall of the molybdenum crucible.
[0011] In one embodiment, the honeycomb reinforcement bars are molybdenum reinforcement bars.
[0012] In one embodiment, the height of the reinforcing rib layer matches the height of the side wall of the molybdenum crucible, and the upper end surface of the reinforcing rib layer is flush with the upper end surface of the molybdenum crucible.
[0013] The beneficial effect of adopting the above technical solution is that the side wall of the molybdenum crucible is configured so that the reinforcing rib layer is sleeved on the outside in the height direction, thereby strengthening the side wall strength of the entire molybdenum crucible.
[0014] In one embodiment, the height of the molybdenum cylinder matches the height of the side wall of the molybdenum crucible, and the upper end surface of the molybdenum cylinder is flush with the upper end surface of the molybdenum crucible.
[0015] The beneficial effect of adopting the above technical solution is that the arrangement enables the molybdenum cylinder to cooperate with the side wall of the molybdenum crucible to constrain the entire reinforcing rib layer.
[0016] In one embodiment, the molybdenum cylinder is welded to the reinforcement layer.
[0017] In one embodiment, the reinforcement layer is welded to the molybdenum crucible.
[0018] The beneficial effects of the present invention are:
[0019] During the crystal growth process, when the side wall of the molybdenum crucible tends to collapse or deform, the reinforcing rib layer sleeved on the outside of the side wall of the molybdenum crucible can increase the strength of the side wall of the molybdenum crucible to prevent the side wall of the molybdenum crucible from collapsing or deforming, which is beneficial to crystal growth and helps to extend the service life of the molybdenum crucible; the molybdenum cylinder can cooperate with the molybdenum crucible to limit the reinforcing rib layer so that the reinforcing rib layer can be firmly sleeved on the molybdenum crucible. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The present invention will be described in more detail below based on embodiments with reference to the accompanying drawings.
[0021] in:
[0022] Figure 1 Shows a schematic structural diagram of an embodiment of the present utility model;
[0023] In the drawings, like reference numerals are used for like parts, but the drawings are not necessarily true to scale.
[0024] Reference numerals:
[0025] 1-Molybdenum crucible, 2-Reinforcement layer, 3-Molybdenum cylinder. DETAILED DESCRIPTION
[0026] The present invention will be further described below with reference to the accompanying drawings.
[0027] When crystals are grown by the Czochralski method, molybdenum crucibles 1 are often used. However, during the crystal growth process, the existing molybdenum crucibles 1 are prone to sidewall collapse and deformation, which can make crystal growth difficult, even lead to crystal growth failure and crucible leakage.
[0028] The utility model provides a reinforced molybdenum crucible, such as Figure 1 As shown, it comprises a molybdenum crucible 1, and a reinforcing rib layer 2 is sleeved on the outer side of the side wall of the molybdenum crucible 1.
[0029] It can be understood that during the crystal growth process, when the side wall of the molybdenum crucible 1 tends to collapse or deform, the reinforcing rib layer 2 sleeved on the outside of the side wall of the molybdenum crucible 1 can increase the strength of the side wall of the molybdenum crucible 1 to prevent the side wall of the molybdenum crucible 1 from collapsing or deforming, thereby keeping the temperature gradient field stable during the crystal growth process, which is beneficial to crystal growth and helps to extend the service life of the molybdenum crucible 1.
[0030] Specifically, the reinforcing rib layer 2 is welded on the molybdenum crucible 1 .
[0031] In one embodiment, a molybdenum cylinder 3 is sleeved on the outer side of the reinforcing rib layer 2 .
[0032] It is understandable that the molybdenum cylinder 3 can cooperate with the molybdenum crucible 1 to limit the reinforcing rib layer 2 so that the reinforcing rib layer 2 is firmly sleeved on the molybdenum crucible 1 .
[0033] It should be noted that the expansion force on the side wall of the molybdenum crucible 1 during the heating and melting process and the contraction force during the cooling and crystallization process can be well overcome, so that the deformation of the side wall of the molybdenum crucible 1 can be controlled.
[0034] Specifically, the molybdenum cylinder 3 is welded to the reinforcing rib layer 2 .
[0035] In one embodiment, the reinforcing rib layer 2 includes honeycomb reinforcing ribs filled between the molybdenum crucible 1 and the molybdenum cylinder 3 .
[0036] It can be understood that the honeycomb reinforcement ribs have a stronger bearing capacity and can further enhance the strength of the side wall of the molybdenum crucible 1 .
[0037] In one embodiment, the honeycomb reinforcement ribs are molybdenum reinforcement ribs, so as to facilitate welding the reinforcement rib layer 2 to the molybdenum crucible 1 and the molybdenum cylinder 3 .
[0038] In one embodiment, the height of the reinforcing rib layer 2 matches the height of the side wall of the molybdenum crucible 1 , and the upper end surface of the reinforcing rib layer 2 is flush with the upper end surface of the molybdenum crucible 1 .
[0039] It is understandable that this arrangement enables the reinforcing rib layer 2 to be sleeved on the outer side wall of the molybdenum crucible 1 in the height direction, so as to strengthen the side wall strength of the entire molybdenum crucible 1 .
[0040] In one embodiment, the height of the molybdenum cylinder 3 matches the height of the side wall of the molybdenum crucible 1 , and the upper end surface of the molybdenum cylinder 3 is flush with the upper end surface of the molybdenum crucible 1 .
[0041] It is understandable that this arrangement enables the molybdenum cylinder 3 to cooperate with the side wall of the molybdenum crucible 1 to constrain the entire reinforcing rib layer 2.
[0042] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0043] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It should be understood that many modifications may be made to the illustrative embodiments, and that other arrangements may be devised, without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in ways other than those described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be employed in conjunction with other described embodiments.
Claims
1. A reinforced molybdenum crucible, characterized in that: It comprises a molybdenum crucible (1), wherein a reinforcing rib layer (2) is sleeved on the outer side of the side wall of the molybdenum crucible (1); a molybdenum cylinder (3) is sleeved on the outer side of the reinforcing rib layer (2); the height of the reinforcing rib layer (2) matches the height of the side wall of the molybdenum crucible (1), and the upper end surface of the reinforcing rib layer (2) is flush with the upper end surface of the molybdenum crucible (1).
2. A reinforced molybdenum crucible according to claim 1, characterized in that: The reinforcing rib layer (2) includes honeycomb-shaped reinforcing ribs filled between the molybdenum crucible (1) and the molybdenum cylinder (3).
3. A reinforced molybdenum crucible according to claim 2, characterized in that: The honeycomb reinforcement ribs are molybdenum reinforcement ribs.
4. A reinforced molybdenum crucible according to claim 1, characterized in that: The height of the molybdenum cylinder (3) matches the height of the side wall of the molybdenum crucible (1), and the upper end surface of the molybdenum cylinder (3) is flush with the upper end surface of the molybdenum crucible (1).
5. The reinforced molybdenum crucible according to claim 1, characterized in that: The molybdenum cylinder (3) is welded to the reinforcing rib layer (2).
6. The reinforced molybdenum crucible according to claim 1, characterized in that: The reinforcing rib layer (2) is welded on the molybdenum crucible (1).