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Originally Posted by scrapking
Thanks so much for that, it was very interesting! I read it in detail as I lay in bed last night, which amused my partner no end ("You're reading about what?!"). Is this your field of work and/or study, or did you learn so much about this in another way?
So much for my theory that the PW problems stem from trying to make it look as white as possible. Ah well....
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A mix of things. Astronomy is a hobby, which means that through that and my old physics classes in high school, I have a working knowledge of optics. Not good enough to design any, but enough to understand a technique when explained to me.
I do software engineering for a living, and know people who actually handle analyzing repairs that come in from customers, as well as some electrical engineers. The company I work for is not small, so it does give some interesting insight into large-scale engineering (both the good and bad).
I honestly didn't know what nanoimprinting was before this thread, but now I do. And it does make sense as a way to improve the evenness of a light guide, but in the end, the plastic used by Amazon and Kobo is not drastically different from the 505's light wedge cover, just done with more advances in light guide manufacturing techniques.
But really, it's hard to compare raw numbers here, since the size of the Kobo group on this forum is different than the Kindle group. The relative sizes need to be accounted for, and we need a large enough sample for any results to be statistically significant. Unfortunately, only Amazon and Kobo know their real failure rates, and root causes.