Originally Posted by Lord Amhran KDarling, noted anti-Apple troll, at it again.....
Originally Posted by Slurpy KDarling, you should definitely send Apple an email with your concerns...
Apparently you and a few other rude people, cannot tell the difference between debating an ANALYST RUMOR and an actual Apple design.
Thank you very much for the link. Let me check if 25 microns would be thin enough. The capacitive/RF fingerprint sensor patents I've read mention one or two microns.
Originally Posted by Macky the Macky
Hello!!?? They ain't gonna be scanning no fingers, especially a whole finger!! The devices reads the biometrics in a wholly different way than looking at the ridges ON the finger's surface.
Assuming they're using an RF type of sensor, all it's doing is reading the tiniest bit deeper than, and not relying on air gaps like, DC capacitive scanners.
The problem is, a convex surface would deform the finger ridges and dermis underneath, in different ways each time. That's why scanners are flat. So a flat button sensor would make a lot more sense all around.
The original rumor article said:
"By using a convex home button instead of the familiar concave design, Apple will be able to make room for the much rumored fingerprint sensor without losing precious internal space, according to well-informed KGI analyst Ming-Chi Kuo."
The button is already thick enough inside for a sensor (especially with a remote chip, as Authentec has patented). Going slightly convex is unnecessary, and ... as I pointed out before... would cause unnecessary extra problems with reading prints, creating a "sapphire layer" over it, and for users who opt out of the recognition.
Convex just doesn't make technical or practical sense for any currently known fingerprint sensor technology.