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- Modeling of ultraviolet propagation from air to human epidermis with wavelength range of 200–300 nmUltraviolet (UV) technology plays an important role in the fields of sterilization, disinfection, and short-range wireless optical communications. In this Letter, a theoretical model to determine the UV radiation intensity (UVRI) on human skin is put forward based on the Monte Carlo method, where the UV wavelength ranges from 200 to 300 nm. Meanwhile, the UVRI evaluation algorithm is provided...0 Comments 0 Shares 1603 Views 0 ReviewsPlease log in to like, share and comment!
- This passive technology can stop COVID from spreading indoorsIn a recent joint study led by scientists from the UK and the Columbia University Vagelos College of Physicians and Surgeons, a new kind of ultraviolet light proved successful in cutting airborne microbes indoors by 98%. Dr David Brenner, director of the Center for Radiological Research at Vagelos College, says installing far-UVC light from lamps fixed into the ceilings is technology that...0 Comments 0 Shares 1533 Views 0 Reviews
- Takasu Clinic will be opened in Ginza, Japan where many companies and stores have disappeared due to the influence of the pandemic.How does Takasu Clinic get rid of the pandemic? They decided to install an ultraviolet device that does not damage the skin and does not damage the eyes at key points in the clinic. What kind of device is it? It is “Care222®” developed by Ushio, Inc. which combines an excimer lamp with a special optical filter to irradiate only 200nm to 230nm UV light. It cuts wavelengths that...0 Comments 0 Shares 1501 Views 0 Reviews
- How to connect the various components in the PCB designTable of content: 1. No cross circuit is allowed in the printed circuit 2. Components such as resistors, diodes, and tubular capacitors are available in “vertical” and “horizontal” installation methods 3. The grounding point of the circuit of the same level should be as close as possible, and the power filter capacitor of the circuit of this level should also be...0 Comments 0 Shares 1594 Views 0 Reviews
- What is Design for Manufacturing in PCB Assemblyi. Design for Manufacturing: Today, organizations are spending more time on design instead of manufacturing. After the industrial revolution 4.0, the industries are spending more effort in product design and development. DFM means optimization (best) of products, parts, and components, to produce cheap and quality product by reducing waste such as non-value-added services....0 Comments 0 Shares 1621 Views 0 Reviews
- What is the impact of 5G technology on the PCB industryPrinted Circuit Board (PCB) is a finished product with insulated substrate and conductor as materials, designed and made into printed PCB boards, printed components or a combination of conductive graphics according to the pre-designed circuit schematic diagram plate. In fact, PCB is one of the important components of electronic products. All household appliances, mobile phones, computers and...0 Comments 0 Shares 1790 Views 0 Reviews
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