Tungsten Evaporation Boats for evaporation sources

Tungsten Evaporation Boats baskets and filaments are manufactured from high grade tungsten. Tungsten has the highest melting point (6192°F), the lowest vapor pressure at temperatures above 3000°F and has the highest tensile strength. Tungsten also has the lowest coefficient of thermal expansion of any pure metal. This combination of properties makes tungsten the ideal material for evaporation sources. During evaporation, it can alloy with some materials such as Al or Au. In this case, another evaporation source material should be used such as alumina coated boats or baskets. Other materials useful for evaporation sources are molybdenum and tantalum.

Specifications

Item Name: Tungsten Boat

Impurity content: ≤0.04%

W content: ≥99.5%

Technique: extruding, forging, rolling, machining and sintering

Tungsten Evaporation Boats with Alumina Barriers

3-1/4" L x 1/2" W (82.5 x 12.7mm), trough: 1/4" W x 3/4" L (6.35 x 19.05mm) x 3/32" (2.38mm) deep.
Tungsten thickness: 0.010" (0.25mm)
Al2O3 = 0.010" (0.25mm) coating
Settings: 0.95V/136A/129W for 1200°C

4" L x 1" W (101.6 x 25.4mm), trough: 1" W x 2-1/8" L (25.4 x 58.8mm) x 3/32" (2.4mm) deep.
Tungsten thickness: 0.010" (0.25mm)
Settings: 3.01V/391A/1177W for 1800°C

4" L x 1/2" W (101.6 x 12.7mm), trough: 1/2" W x 1-1/2" L (12.7 x 38.1mm) x 1/8" (3.2mm) deep.

Tungsten thickness: 0.010" (0.25mm).
Settings: 2.90V/196A/568W for 1800°C

Tungsten Evaporation Boats Picture:

JINXING MATECH is a research and development, production, processing and sales of integrated, comprehensive refractory metal, precious metal material manufacturer.JINXING MATECH is an expert provider on the metal solution. Especially on the products such as Tungsten , Tungsten copper , Titanium , Zirconium, Vanadium, Hafnium, Sputtering Target , Nickel base alloy, Cobalt base alloys etc, products quality supplied according to ASTM , ASME , AMS , MIL , ISO , DIN and EN Standard which mainly used in Semiconductor, Petro-Chemical, Solor , Medical , Aerospace, Military industries.

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Technology Process

Strong manufacturing capabilities along with a full-scale R&D and test lab give us the ability to fully control all process of raw materials preparing, manufacturing, inspection, packing and delivery.

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