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R.D. Mathis
Your source for evaporation boats, baskets and boxes to filaments, crucibles and liners. We offer an extensive selection of sources and materials to fill your evaporation needs. Please find below all the available categories:
Filaments
Tungsten metalizing filaments are the industry standard for thin film depositions for a wide variety of materials. Testbourne offers an extensive selection of tungsten filaments to fit most applications as well as custom fabrication to meet your specific process needs.
Basket and Heaters
Tungsten Evaporation Baskets offer an effective method of reaching high temperatures with low current. The benefits of using tungsten baskets as an evaporation source for your deposition process include low cost, ease of use, multi-directional coatings and low power requirements.
Crucibles
The crucibles shown in this section are designed to fit into our baskets heaters and shielded crucible heaters. Custom sizes are available upon request.
Boat Sources
Discover high-quality boat sources for evaporation at Testbourne. Our selection includes tungsten, tantalum, and molybdenum boats, as well as custom fabrication to meet your specific evaporation source needs.
Alumina Coated Sources
Alumina coated evaporation sources have been developed to replace alumina crucibles for some specific applications.
Box Sources
The “Baffled Box” Silicon Monoxide Source, SiO source, has proven to be an extremely successful method of depositing Silicon Monoxide. Source material is positioned in the boat within separate cavities, when heated it follows an indirect path through a series of baffles and then out of the exhaust chimney.
Micro-Electronic Sources
Our Micro-Electronic sources represent a full line of smaller size sources that are similar to the standard size sources. The overall length on these sources is slightly less than 50.8mm (2 inches) in most cases. The smaller sources are ideal for lower power systems or processes that require small amounts of evaporants.
Chrome Plated Tungsten Rods
Testbourne offers an effective, user friendly way to evaporate chromium. The chrome plated tungsten rods are used for thin films of chromium in the electronics and optics industries. The advantage of using chrome rods over chrome chips are better thermal efficiency, regulation of film thickness and elimination of spitting and spalling which can cause pinhole type defects.
Technical Downloads
The RD Mathis Company offer several technical papers that relate to various aspects of the thin film coating process and the Thermal Evaporation Method of depositing materials in vacuum. Discover the papers to gain an insight specific thin film coating questions.