Re: X RAYS

[Bob Sciamanda <trebor@VELOCITY.NET>]

Yes, such X-Ray detectors, providing an electrical signal instead of a
film spot, have enabled such real-time signal manipulation marvels as
CAT-Scans, etc.

Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
http://www.velocity.net/~trebor

----- Original Message -----
From: "Mark Sylvester" <msylvest@XNET.IT>
To: <PHYS-L@lists.nau.edu>
Sent: Friday, December 29, 2000 11:53 AM
Subject: Re: X RAYS


> I notice that the discussion of dental X-rays has been in terms of using
> film as the recording medium. My high-tech Italian dentist puts a little
> boxlike solid-state imaging device in my mouth, and after an X-ray flash
> immediately shows me the tooth on a crt monitor mounted above the tray
with
> all the nasty instruments. He plays with the contrast and brightness to
> look at different parts of the tooth. He tells me that the exposure
needed
> to record the image with this technology is significantly lower than
that
> needed with film.
>
> Mark
>
> Mark Sylvester
> UWCAd
> Duino Trieste Italy