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Crucible

Momentive fused quartz crucibles provide configurations, designs and coatings according to the various requirements and uses of each customer. It can meet the strict purity standards required by each industry, and can solve specific micro contamination problems as well as Ingot growth yield, Attempt productivity and lifetime of Crucible required for optimized manufacturing cost.

Applicable Field: For semiconductor and solar Wafer manufacturing
Feature: - Synthetic crucible (outer diameter of 24"/28"/32"), products applied to mass production of the world's top class semiconductor wafer manufacturers
- Excellent growth yield with patented coating crucible and Ba coating
- Can be manufactured to the outer diameter of 14"/16"/18"/20"/28"/32"/36" (we have the history of supplying 36" to Korea)

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**Crucible**
Type	Characteristics	Usage
510, 530, 532 Crucible	It is an opaque crucible of high purity and has a high gloss inner surface and a white quenched outer surface.	Used in the semiconductor industry to create single crystal silicon
567, 588, 541 Crucible	Ultra-high purity opaque crucible with alkali component dropped in ppb level.	Used to create single crystal for wafers that must have ultra-low defects.

Tube/Rod

Applicable Field: For semiconductor, optical fiber and Lamp manufacturing
Feature: - It has a low hydroxyl group and excellent numerical tolerance.
- Excellent heat resistance and chemical resistance
- Sio2 of ultra-high purity

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**Tube/Rod**
Type	Characteristics	Usage
214 Tubing	As a transparent quartz material of industry standard process grade, it is economical and has all kinds of sizes. It has low hydroxyl groups and tight numerical tolerances, and has excellent appearance, temperature, and mechanical properties.	Mercury lamp, quartz halogen lamp, high-performance high-temperature lamp and high-temperature thermometer, quartz waveguide, and other high heat resistance products
214LD Tubing	Transparent quartz with excellent characteristics same as Type 214, but used when a larger diameter is required	Used in diffusion, oxidation and LPCVD processes in the semiconductor industry
219 Tubing	Transparent quartz with Titanium Dioxide added to block strong UV rays. It has the same external and numerical properties as the Type 214 and similar thermal and physical properties. Usually called sterilizing or ozoneless quartz.	Sterilizing lamps and other UV lamps that require UV intrusion within the sterilization range but should avoid strong UV rays or ozone generation
224 Tubing	It has excellent high viscosity and appearance standards like Type 214. It has alkali content lowered to the ppb range by a special method.	Diffusion and CVD processes of high-integrated semiconductors in which alkali elements have a significant influence on the yield of chips
224LD Tube & Rod
244 Tubing 244LD Tube & Rod	Similar to Type 224 but low-aluminum	Process requiring low-aluminum quartz
254 Tubing	Transparent molten quartz with cerium added for blocking UV rays to pass visible light and absorb UV B	Eliminates the need for UV-sensitive highly heat-resistant products, UV-blocking coatings, filters, and lenses from halogen lamps and discharge lamps that pose a risk to exposure to UV rays to people or objects
021 Tubing	Transparent artificial silica with high UV permeability and ultra-high purity, transmitting UV rays as much as possible and providing maximum resistance to exposure to sunlight. It has excellent appearance, temperature, physical and dimensional properties because it contains low hydroxyl group components.	Cover and bushing of lamps that generate UV rays and ozone. Used for treatment, chemical process, sterilization lamp, semiconductor, sunlight exposure detection
214ROD	Transparent quartz rod. It has minimal air line, high purity chemical composition, and excellent numerical accuracy.	Used for carrier and boat for transporting wafer in the semiconductor industry
214A, 219A, 254A ROD	Same as other standard types, but hydroxyl groups and other dissolved gases removed	Covers for metal halogenide lamps requiring non-hydroxyl materials, and other uses

Ingot

Applicable Field: For manufacturing semiconductors and solar wafers
Feature: - Capable of manufacturing large ingot with a diameter of 72-inch
- Efficient in manufacturing quartz ware of various sizes
- Ultra-high purity and low coefficient of thermal expansion

**Crucible**
Type	Characteristics	Usage
124 Ingot	Ingot with a diameter of 72 inches and a thickness of 26 inches. It is used to make high-purity products from transparent quartz plate and window material and may contain fine foam.	Used as a wafer carrier or flange in the semiconductor industry, and used for various purposes such as low-cost commercial materials
144 Ingot	Similar to Type 124, but low in aluminum	For users who prefer low-aluminum materials
021 Ingot	Transparent artificial silica of the same type as Type 124	Processed and used as plates and discs in semiconductor processes where ultra-high purity is important