Search found 613 matches

by Steven Sesselmann
19 Jul 2019, 21:21
Forum: The lounge
Topic: Northern Hemisphere Summer
Replies: 3
Views: 40

Re: Northern Hemisphere Summer

Haha, the best shielding material for those photons is Zinc oxide, make sure you apply it generously.

Enjoy..
by Steven Sesselmann
18 Jul 2019, 12:56
Forum: The lounge
Topic: Northern Hemisphere Summer
Replies: 3
Views: 40

Northern Hemisphere Summer

Hi all, It's summer in the northern hemisphere and it looks like science has taken a break in the sun, although it's business as usual down here in Sydney, things go a bit quiet for me as most of my business comes from overseas. Good time for me to do some R&D, also keeping myself busy building a ne...
by Steven Sesselmann
08 Jul 2019, 11:36
Forum: General discussion
Topic: Something a little different
Replies: 1
Views: 72

Re: Something a little different

Looks cool (pun intended), you are on track!

Steven
by Steven Sesselmann
08 Jul 2019, 11:34
Forum: Introductions
Topic: FYI! Americium Sourse from Smoke Detector
Replies: 4
Views: 138

Re: FYI! Americium Sourse from Smoke Detector

Hmm...

Still there, eBay item 183738565735

Maybe this should be reported, rules might differ by country.

Steven
by Steven Sesselmann
07 Jul 2019, 13:58
Forum: Shielding
Topic: Pigs might fly !
Replies: 5
Views: 162

Re: Pigs might fly !

Okay, here it is, the finished product.

Filled with lead shot, it's hard to imagine these pigs flying out the door, but I'm sure ducks will love them!

Steven :)
by Steven Sesselmann
06 Jul 2019, 09:26
Forum: Shielding
Topic: Pigs might fly !
Replies: 5
Views: 162

Re: Pigs might fly !

Silviu, Thanks for feedback, I removed the files again this morning after I found a bug, so don't print these, I will upload a new set after I have made it and tested it properly. The reason I did not extend the source container all the way around is because there is little or no shielding in the mi...
by Steven Sesselmann
05 Jul 2019, 14:49
Forum: Shielding
Topic: Pigs might fly !
Replies: 5
Views: 162

Pigs might fly !

Hi all, Needless to say, lead pigs will never fly, but for fun, I designed this handy pig to store up to 10 of those little 1" calibration discs from Spectrum techniques. The Pig prints in four parts and assembles with one M8 socket head bolt and a few small self tapping screws. Once assembled it ca...
by Steven Sesselmann
02 Jul 2019, 09:01
Forum: Detectors
Topic: Scintillation detector in vacuum bag
Replies: 4
Views: 170

Re: Scintillation detector in vacuum bag

Silviu,

Nice, but you can just use any bag of silica beads, and just put them in the microwave for 10 minutes or in the oven for an hour when they need drying.
by Steven Sesselmann
01 Jul 2019, 19:58
Forum: Detectors
Topic: Scintillation detector in vacuum bag
Replies: 4
Views: 170

Re: Scintillation detector in vacuum bag

Ciro, Vacuum should not damage your PMT, it is a vacuum tube. I actually made two detectors for a space agency in India, the only precaution I had to take was to fill the divider with potting compound to prevent high voltage lighting a plasma under low pressure. I simple solution for long term stora...
by Steven Sesselmann
29 Jun 2019, 20:17
Forum: Detector drivers
Topic: USB external sound cards
Replies: 8
Views: 422

Re: USB external sound cards

Conor Whyte wrote:
29 Jun 2019, 17:27
I just had a go with a test benched AK5397E using a AK5397EQ evaluation board ....
Conor,

This looks interesting... does the EV board connect via USB?

Steven