[TechAssist] Re: wondering ...Why using liquid lens in PTVs ??
- From: Bill Grabowski <bgrabowski@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 09 Feb 2002 22:20:21 -0600
The liquid is used souly to dissipate the heat from the tube. On past
projo tubes they would crack right on the face of the CRT.
Bill Grabowski
Triangle Appliance
Gaetan wrote:
>
> Hi gang !
> I'm reading carefully each posts on PTV liquid lenses .... and was
> wondering ......Why putting liquid in those lenses ??????
> Is there any other ways that manufacturers can do that ?
> why not a full glass lens instead ?
> Or ,. what is the reason of putting liquid in those ?
> is it cheaper ? or ... because of developped heat that get into them , so
> it dissipated the heat better ? (well an all glass lens may not suffer that
> much from excess heat , in my opinion )
> It's true that I cannot figure all the concept , cause I didn't work on any
> PTV up to date .
> But ... i'm listening and studying .....?
>
> Gaetan Bourgouin
> Techno Logik
> Terrebonne Que. Can.
> techno1@xxxxxxxxxxxx
>
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