Kamet offers high-end heating solutions for a variety of wafer processing applications in semiconductor industries including thin film deposition systems (e.g. CVD, PVD, ALD). In partnership with ARi we offer mineral insulated wafer heaters (also known as substrate heaters or platen heaters) suited to critical conditions and with specifications to match the exceptional and varied demands of these processes. Fully customized substrate heaters are often the best solution, however we also offer a range of standard disc heaters. Whatever the client chooses, our products and advice can be relied on to improve overall process stability by ensuring optimal temperature uniformity.
Wafer heaters are primarily used for thin film deposition systems, particularly in the semiconductor industries but also for solar panels, nano technologies, thin film deposition systems, as well as lithography, annealing and optical device industries. In these vacuum processes, ultra thin (sometimes just a few atoms thick) coatings are applied to a surface in a vacuum. There are various techniques used, all of which require different substrate heating elements with properties and design to match both the operating temperature and the type of material being deposited. Our wafer heaters are used in the following processes:
Wafer heaters can directly affect the properties of the deposited film, including having an influence on adhesion and chemical reactions. They are critical in ensuring the uniformity of heating so that the thin film is evenly deposited.
The choice of (mineral insulated) wafer heater is determined by the required application. Due to the highly specialized and critical nature of thin film deposition processes, our heating solutions are often customized to take into account all the process parameters and the required end result. Our focus is on the following categories of heaters:
No matter the choice of heater you make at Kamet, the high quality of our products and the expertise of our advisors, means that thermal uniformity can be ensured, which is so critical to thin film deposition systems.
In striving to ensure a wafer heater that is perfectly tuned to each application, there are a number of variables and specifications that the Kamet and/or ARi specialist will take into consideration:
All these possibilities mean that we can supply wafer heaters resistant to oxidizing, inert, reducing and (high) vacuum environments. The very wide temperature range of our mineral insulated wafer heaters make them suited to all the deposition processes, even up to 1000°C. Furthermore the wafer heaters are highly responsive with excellent mechanical strength thanks to the sheath. Stringent quality testing requirements are adhered to at ARi Industries.
Kamet’s range of wafer heaters are supplied by the ARi industries from the USA. They have decades of experience in the heating world and are one of our most long-standing partners. The partnership Kamet has developed with ARi industries ensures full technical support for designing bespoke heating solutions or adjusting the current range to meet the demands of a particular application.
In fact, one of the reasons that Kamet Heating is supplying Europe’s leading semiconductor companies, is because we actively support the development of new and custom-made heating products. With specific regard to substrate heaters, where temperature uniformity is crucial, research by ARi is continuous with ongoing improvements in thermal uniformity solutions (e.g. multiple zones or custom substrate heat spreaders).
Should you have any questions about wafer heaters for your situation, please do not hesitate to contact us. Our application specialists will get back to you promptly to discuss your needs. Kamet is known by her clients for our excellent customer service and efficiency.
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