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The blue laser diode in optical disk drive technology

By the late 1990s blue lasers were used for making the masters for DVD discs, but this process used hugely expensive special laser-beam recorders the size of a wardrobe and needing a super-clean, vibration-free environment in which to work properly. The challenge for optical drive … [Read more...]

Filed Under: Blu-ray Tagged With: blue laser, blue laser diode, blue-violet laser, Shuji Nakamura

DVD Forum and the Blu-ray Disk Association (BDA)

The DVD Forum was set up in August 1997 as a voluntary association of hardware manufacturers, software firms and other users of DVDs. The big manufacturers were predicting that beyond-DVD discs and drives would be a reality at the start of the next century. In the event, that proved … [Read more...]

Filed Under: Blu-ray Tagged With: BDA, Blu-ray Disk Association, DVD-Forum

Blu-ray vs HD-DVD – the war of the blue laser optical disks

Shuji Nakamura's blue laser diode exactly fit requirements for next generation DVDs: accurate, reliable, small and affordable both for manufacturing and running costs. It was a brilliant invention, and it offered the opportunity for a single, industry wide high-definition optical storage … [Read more...]

Filed Under: Blu-ray Tagged With: blu-ray, blue laser war, compatibility, HD-DVD

Blu-ray Region Codes

Blu-ray Region codes: DVD region codes were introduced to try to give movie studios some control over global distribution for their movie releases. The system wasn't entirely successful, but the studios have persisted. Though boundaries have changed, Blu-ray too has regional coding. The … [Read more...]

Filed Under: Blu-ray

Blu-Ray – the Hi-Def Blue Laser Disk Technology

Optical disks have come a long way. They began back in the 1980s with the humble CD, which was great for music, computer software and data. Unfortunately it turned out to be poor for movies, though there was some limited success withVideoCD in Asian markets. DVDs came to the rescue in the … [Read more...]

Filed Under: Blu-ray

HD-DVD (High Definition Digital Versatile Disk) – blue laser optical disk

Despite High Definition Digital Versatile Disc HD-DVD) being the original DVD Forum approved successor to the DVD format, it was ultimately doomed, eventually consigned to history by the rival Blu-ray Disk (BD) technology. Originally called Advanced Optical Disc (AOD), the technology's … [Read more...]

Filed Under: Blu-ray Tagged With: HD-DVD, High Definition Digital Versatile Disk, how does HD-DVD work, what is HD-DVD

Blu-ray Disks (BD) – blue laser optical disk technology

Optical disc technologies such as DVD, DVD-R, DVD-RW, and DVD-RAM employ a 650 nm red laser, bond 0.6mm-thick discs and use lenses with a numerical aperture (NA) of 0.6. By employing a short wavelength (405nm) blue violet laser, the Blu-ray Disc (BD) successfully minimises its beam … [Read more...]

Filed Under: Blu-ray Tagged With: BD, Blu-ray Disk, blue-violet laser, optical disk

Blu-ray region codes – map and explanation

Blu-ray Disks (BDs) can contain a region code, similar to the DVD region code but with different boundaries. Region codes place geographical restrictions on where in the world a Blu-ray movie can be played. For example, a BD system bought in the USA region would play only Blu-ray movie disks with … [Read more...]

Filed Under: Blu-ray Tagged With: international Blu-ray regions, What are Blu-ray region codes, what Blu-ray region am I in, what is my Blu-ray region

Tips on How to Land a Remote Job in Cyber Security

The demand for skilled cyber security professionals is growing as well as a number of threats and risks. Any company needs an expert or team to … [Read More...]

Video Tutorials for Anyone Wanting to Learn About Big Data

Did you know that we create about 2.5 quintillion bytes of data every single day? There is no denying the fact that big data is changing our world in … [Read More...]

Video Tutorials to Help Canva Users Shorten their Learning Curve

Canva is a very popular design software that is used by over 55 million designers. It is a robust application, but it can be tricky for beginners to … [Read More...]

Great Videos to Learn About Cricut Design Space

Cricut Design Space is one of the best digital design applications for people trying to create projects for Cricut projects. You can create a lot of … [Read More...]

Great Videos on Dangerous Computer Viruses

Computer viruses are obnoxious programs that can wreak havoc on even the most sophisticated machines. The good news is that people will be better … [Read More...]

Best Creative Commons Videos on Learning Adobe Illustrator

Adobe Illustrator is one of the most popular design tools available. The tool has been around since 1987 and is used by over 90% of the world's … [Read More...]

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Principles of CPU architecture – logic gates, MOSFETS and voltage

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