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Title: Development of attenuators by carbon coating on APBN support rods using RF sputtering techniques
Authors: Arya, Suneeta
Sharma, S M
Sharma, R K
Srivastava, V
Bindal, V K
Paul, A K
Issue Date: Dec-2012
Publisher: NISCAIR-CSIR, India
Abstract: There are chances of reflections of unwanted signal, due to several unavoidable reasons, in any working microwave tube. Due to this, the tubes do not give the desired performance. To minimise the chances of reflections the attenuators are used in microwave tubes. These attenuators may be used either inside or outside the tube depending upon its end use. For the fabrication of the attenuators in helix TWTs, the support rods are coated with controlled carbon layer with the specific profile and length using the specific processes. In this paper process of carbon coating on support rods using RF sputtering technique has been described in detail.
Page(s): 221-224
ISSN: 0975-2412 (Online); 0771-7706 (Print)
Appears in Collections:BVAAP Vol.20(2) [December 2012]

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