Flat Bottom Crucibles
Description
Flat Bottom Crucibles are vessels used in various thermal processes. They are designed with a flat base, which provides stability and uniform heat distribution during heating applications. These crucibles are typically made from materials that can withstand high temperatures and are resistant to thermal shock.
Working Principle
Flat Bottom Crucibles operate by providing a stable platform for materials to be heated. The flat base ensures even heat distribution across the bottom surface, which is crucial for processes that require uniform temperature exposure. This design minimizes the risk of tipping and allows for efficient heat transfer, making them useful in applications where consistent thermal conditions are necessary.
Applications
While specific applications for Flat Bottom Crucibles were not detailed in the documents, crucibles in general are used in processes such as alloy melting, rare earth and ceramic sintering, and electron beam evaporation coatings. These applications benefit from the uniform heat distribution and stability provided by the flat bottom design.
Advantages over other Crucibles
Flat Bottom Crucibles offer the advantage of stability due to their design, reducing the risk of tipping during use. This stability is particularly beneficial in processes that require precise temperature control and uniform heating. Additionally, the flat base design can enhance heat transfer efficiency compared to crucibles with tapered or conical bases.
Limitations
The documents did not provide specific limitations for Flat Bottom Crucibles. However, general limitations for crucibles can include susceptibility to thermal shock if not made from appropriate materials, and potential chemical reactions with the materials being processed if the crucible material is not compatible.
Considerations
When selecting Flat Bottom Crucibles, considerations should include the initial cost of the crucible, which can vary based on the material and size. Operating expenses may be influenced by the crucible's durability and resistance to thermal shock, which can affect its lifespan and the frequency of replacement. Durability is a key factor, as more durable crucibles will have lower replacement and maintenance costs. Additionally, the accuracy of thermal processes can be impacted by the crucible's ability to maintain uniform heat distribution.
from LECO Corporation
For more than 50 years, LECO has provided top-quality ceramic products to industries worldwide, such as technical ceramics, powdered metal (PM), metal injection molders (MIM), and foundry and investment casting. Designed to support sintering operations at temperatures up to 3200 °F (1760... [See More]
- Bottom / Pour Type: FlatBottom; Spout (optional feature); Bottom Pour
- OD / Width: 7.15 to 16.88
- Crucible Type: Hearth Liner; Conical / Tapered
- Height: 9.59 to 20.5
from CoorsTek
Synthetic quartz glass crucibles used for pulling single crystal silicon must be extremely pure and heat resistant — directly contacting electronic grade silicon (EGS) at high temperatures for prolonged periods. CoorsTek offers various grades of ultra-pure quartz crucibles up to 800 mm (32")... [See More]
- Bottom / Pour Type: FlatBottom
- Material Types: Fused quartz
- OD / Width: 31.5
- Applications: Semiconductor manufacturing
from Robuster Quartz
Robuster Quartz Fused Silica Ceramics features excellent thermal reliability under high temperature (up to 1350 ˚C), resistivity to chemical corrosion and thermal shock; Our Silica ceramic products are widely used in chemical, medical and biology industries for chemical... [See More]
- Bottom / Pour Type: FlatBottom
- Capacity: 1 to 2
- Crucible Type: Conical / Tapered
- OD / Width: 1.61 to 2.24
from Materion Corporation
Materion Microelectronics & Services crucible liners are manufactured to enhance evaporation performance, tool uptime and protect hearth pockets. The data below reviews our standard crucible liner materials and dimensions. If other materials or sizes are required, please contact a Materion... [See More]
- Bottom / Pour Type: FlatBottom
- Material Types: Molybdenum (optional feature); Tantalum (optional feature); Tungsten (optional feature); Alumina (optional feature); Carbon / Graphite (optional feature); Metal; Copper (optional feature)
- Crucible Type: Crucible Liner
from Plansee SE
Formed molybdenum and tungsten crucibles excel in the so-called HEM process (Heat Exchanger Method). They are the perfect vessels for melting and solidifying the single crystal. Our formed crucibles have particularly thin walls combined with excellent creep resistance. The outstanding purity of our... [See More]
- Bottom / Pour Type: FlatBottom
- Material Types: Molybdenum; Tungsten Carbide; Metal
- Crucible Type: Conical / Tapered
- Applications: Crystal Formation
from Robuster Quartz
Series of crucibles for PV level: RBC3. That is produced with Unimin Sands and advanced after-treatment control system, applicable for Photovoltaic market. Quartz crucible is a key component to ingot furnace for manufacturing monocrystalline silicon solar cells, with a heat-resistance of 1500 degree... [See More]
- Bottom / Pour Type: FlatBottom
- OD / Width: 10 to 24.72
- Crucible Type: Conical / Tapered
- Height: 7.09 to 18.5