An Interview With Jimmy Weng, Director Of Sales And Marketing At Silanna Group

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Below is our recent interview with Jimmy Weng, Director of Sales and Marketing at Silanna Group:

Q: Could you provide our readers with a brief introduction to your company?

A: The Silanna Group is an Australian semiconductor manufacturer established in 2006. Privately funded since being acquired from Peregrine Semiconductor in 2008, Silanna UV is an ISO 9001:2015 certified solution provider for UV-C LED manufacturing. Based in Brisbane, Australia, Silanna UV provides far UV-C light sources for water quality sensors, gas sensors, disinfection, and HPLC (High-performance liquid chromatography) applications. Silanna UV’s innovative approach allows UV LED technology to push toward shorter wavelengths, from 230nm to 265nm, including deep UV-C and far UV-C ranges. The company holds unique epitaxy technology and holds patents related to UV LED technology.

Q: Any highlights on your recent announcement?

A: Using Silanna patented SPSL technology, the emission wavelength of the active layer can be easily tuned via the thicknesses and period of constituent layers. This eliminates many of the problems faced by traditional AlGaN technologies such as composition fluctuation and segregation that makes process controllability extremely challenging at high compositions.

The emission from an SPSL is governed by thickness and period rather than composition, the emissions originating from the GaN part of the SPSL remain mostly vertical through the whole spectrum, allowing high power to be maintained even at ultra-short wavelengths.

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Q: Can you give us more insights into your offering?

A: At Silanna we use the SPSL technology through the entire device stack, taking full advantage of the superior properties of SPSL as described above. Using this approach, we have successfully demonstrated high performance Deep UV-C and Far UV-C LEDs down to 227nm. Of these, LEDs covering the 235nm and 255nm range are already in production. Products in other wavelength ranges are expected to be available in the near future like 222nm & etc..

Q: What can we expect from your company in next 6 months? What are your plans?

A: Silanna SN3 255nm Deep UV-C LED and SF1 235nm Far UV-C LED in next 6 months plan to offer different package types. The package types include a flat lid at a 120-degree view angle, the parabolic lens at a 30-degree view angle, and the TO-can package type at a 15-degree view angle. Different packages types provide the designer with more friendly & flexibility for their application design like water quality sensing in nitrate, nitrite, chemical oxygen demand (COD), sterilization, disinfection, ozone gas detection, liquid chromatography, and chemical and biological analysis

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Q: What is the best thing about your company that people might not know about?

A: Silanna is not just a semiconductor manufacturer we are a game changer, the novel 235nm can help to protect our health against viruses and pollution. Since the pandemic, far UV-C LED has been proposed as a novel sterilization solution. Recent studies has proofed far UV-C light would be able to deactivate viruses and bacteria but would not be able to penetrate this shield of dead cells, leaving our healthy cells unharmed and safe from damage.

The far UV-C LED can also be used to monitor the nitrate/nitrite concentration in the water. Excessive nitrate or nitrite in water can lead to ‘blue baby syndrome’ in infants fed with formula made up using the water. The decomposition of organic wastes such as manure can introduce nitrate to water supplies. Nerite is only likely to be present in water that has not been aerated.