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Bengaluru-based Hind High Vacuum Company (HHV), a vaccuum science and technology company with defence and aviation clientele, has announced that it has been selected by the Indian Space research Organisation (ISRO) under its technology transfer program.
HHV will produce the entire Thin Film Metallised Circuit for ISRO’s Satellite program. Circuits are designed on these multi-layered metallised substrates and used in ISRO’s space and satellite programme.
“As a part of ISRO’s technology transfer programme and as a forward integration of this award winning technology, HHV will now produce the entire Thin Film Metallised Circuit (TFMC) for ISRO’s 40-micron accuracy line, in its new technology production line known as ‘Photo Lithography’ ” said Prasanth Sakhamuri, Managing Director, HHV.
“HHV has established a new Photo Lithography Lab (PLL) at its Dabaspet plant to develop TFMCs on alumina substrates that first need to be metallised in a vacuum chamber,” he added.
Once metallised, these substrates are cleaned and then coated with a photo resistive material using a spin coater. A laser writer is used to define different designs as required by customers on blank chromium mask plates.
“HHV’s Photo Lithography Lab has ISO 7 and ISO 8 clean rooms as well as class 100 laminar flow stations that allow us to achieve resolutions of up to 40 microns,” Sakhamuri said.
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