Search found 7 matches

by Tman
Thu Sep 21, 2006 2:18 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Fusion accomplished!
Replies: 3
Views: 11236

Fusion accomplished!

<t>finally!<br/> After finally geting pressures in my chamber down to .5 microns.<br/> And getting the deuterium input fixed. I had a run that lasted a unconstant few minutes, and got two bubbles on my 33bubble per mrem dosimeter. Voltage was around 30kv at 10-20microns with D2.<br/> I have a bubble...
by Tman
Fri Aug 25, 2006 2:07 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: How to hookup a rate meter?
Replies: 12
Views: 3105

Re: How to hookup a rate meter?

<t>NIM is just a classification, there is no one nim module. <br/> Start with a small nimbin, which is a rack for nim modules. The nimbin has a built in power supply to power the modules.<br/> <br/> Each module is normally around 2-1/2" wide by 8' tall, and plugs right in to the bin.<br/> <br/> The ...
by Tman
Sat Aug 19, 2006 5:59 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Fusor cleaning time!
Replies: 2
Views: 1936

Fusor cleaning time!

<t>I am getting ready to give everything an acetone cleaning. Then I'll flush my recently aquired 3" diffusion pump with some 91% isopropyl, and heat it a while to evaporate any water.<br/> <br/> After cleaning I just have to wait for the bubble detectors I ordered to arrive. I dont want to bother i...
by Tman
Wed Aug 16, 2006 6:35 pm
Forum: Ion Gun Design and Construction (& FAQs)
Topic: Electrode material
Replies: 2
Views: 3719

Re: Electrode material

<r>Hi David,<br/> I think you would be better off using stainless grids. The grid tends to heat up and a copper grid could deform from the heat. Stainless's melting point is about 400C higher than copper. It also conducts less of heat so your feedthru wont get as hot.<br/> Tungsten however is one of...
by Tman
Wed Jul 19, 2006 4:36 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: BGO hv convert
Replies: 3
Views: 1635

Re: BGO hv convert

Ya, I think I'll change the resistance down closer to 100M.

But does anyone know how to convert +hv to -hv?
My power supply has +hv and ground leeds, and my detector has -hv and ground leeds

-Thiago
by Tman
Tue Jul 18, 2006 5:08 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: BGO hv convert
Replies: 3
Views: 1635

BGO hv convert

<t>I have two of the same BGO detectors as in Carls "micro" BGO detector post. The supplied socket is in the -HV configuration, I know this must be pretty easy, but how can I convert the -HV over to +HV so I can power it with a normal power supply.<br/> Carl mentioned earlier that he externally conv...
by Tman
Wed Jul 05, 2006 9:34 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Bicron NaI ?
Replies: 10
Views: 4233

Re: Bicron NaI ?

<t>Thanks Richard,<br/> It will be nice to find out what pin goes with what. <br/> right now im clueless. (didnt call Bicron)<br/> I'll try to make a socket to convert this over to the standard 14 pin Bicron base for a preamp socket.<br/> Or I might just try to hook It up in the 2 cable fashion to u...