Hi, This is my first post in the group. I want to know the tolerance in thickness variation (in nm) of Aluminium coating, acceptable and expected from...
3614
Vladimir Chutko
vchutko
Apr 13, 2011 8:04 am
Hi, Coating uniformity depends on substrate holder type (single or planetary rotation), chamber dimensions, evaporator position, coated surface shape and some...
3615
Aurigema, Andrew N. (...
eosraptor1
Apr 13, 2011 1:45 pm
I have a sideways flow stationary emitter array that seems to yield good results. I recently added a digital thickness indicator to my rig so now have actual...
3616
Guy Brandenburg
gfbrandenburg
Apr 13, 2011 4:46 pm
From trial and error (not by calculation) I have found that a one-inch long piece of nearly-pure aluminum wire about 3-4 mm in diameter works best for us....
3617
Guy Brandenburg
gfbrandenburg
Apr 13, 2011 9:37 pm
I am trying to figure out about depositing 140 nm on glass . Please recheck this for me. I rechecked my measurements, and my arithmetic, and it seems to me...
3618
deepak
dee_dabi
Apr 14, 2011 8:13 am
Thanks Vladimir, Andrew and Guy for making the technicalities clear and giving relevant usage data. Andrew, the term "sideways flow stationary emitter array"...
3619
Aurigema, Andrew N. (...
eosraptor1
Apr 14, 2011 12:04 pm
Guy, I don’t think you can be accurate enough with volume calcs. There is loss to the emitter itself and there is tungsten mixture losses. I see a kind of...
3620
Aurigema, Andrew N. (...
eosraptor1
Apr 14, 2011 12:12 pm
Pics of "baby George" are in the photos section under "Drew in sunny Florida". The door to my chamber swings sideways on a hinge. I put my mirrors on the...
3621
Guy Brandenburg
gfbrandenburg
Apr 14, 2011 1:04 pm
Agreed, there is a crystalline buildup over time of aluminum at the ends of the tungsten filament ,,, I am not at all sure what the thickness OUGHT to be. I...
3622
deepak
dee_dabi
Apr 15, 2011 4:36 am
The photographs are very informative and Baby George is beautiful Thanks Deepak...
3623
Attila
schneyolo
Apr 19, 2011 8:24 am
Hi All, I have a question to diffusion pump, pumping speed. Is there any equation or math to calculate the pumping speed? Or what factors are important to...
3624
VacuumX@yahoogroups.com
Apr 22, 2011 8:32 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the VacuumX group. File : /US3363830.pdf ...
3625
Attila
schneyolo
Apr 22, 2011 8:39 am
Hi All, Because I didn't get reaction and I anyway searched a solution. I found a patent which is an improved diffusion pump description. It gives me answers...
3626
Zafar Iqbal
zafar0126
Apr 22, 2011 9:11 am
Dear Attila Please send the patent to my e-mail: zafar1949@... Thanks Zafar To: VacuumX@yahoogroups.com From: schneyolo@... Date: Fri, 22 Apr...
3627
Christian Oertli
chrisoe1
Apr 27, 2011 12:52 am
LinkedIn ... I'd like to add you to my professional network on LinkedIn. - Christian Christian Oertli Independent Research Professional United States Confirm...
3628
Vladimir Chutko
vchutko
May 5, 2011 8:26 pm
Hi All, I am in urgent need to sale vacuum chamber: Leybold A700, framed, with installed gate valve, LN2 trap, two-ways roughing valve, transformer for...
3629
brian whatcott
betwys1...
May 5, 2011 10:54 pm
How much is it? B...
3630
Zafar Iqbal
zafar0126
May 6, 2011 4:12 am
what is the price zafar To: VacuumX@yahoogroups.com From: chutko@... Date: Thu, 5 May 2011 13:26:21 -0700 Subject: [VacuumX] Vacuum Chamber for sale Hi...
3631
Vladimir Chutko
vchutko
May 6, 2011 6:51 pm
4K OBO...
3632
Vladimir Chutko
vchutko
May 6, 2011 6:52 pm
4K OBO Vladimir...
3633
David Speck
dspeck13021
May 17, 2011 5:45 pm
Esteemed list members: I have just acquired an Ametek / Dycor M100 RGA system (in 4 pieces from three different sellers) Does anyone have available the...
3634
slavkok
Jun 6, 2011 9:48 pm
Hello... I need to make vacuum in range 5 to 10 mBar. What device to use for that. I need to evacuate aprox 5 litre box but I do not have electricity on place...
3635
brian whatcott
betwys1...
Jun 6, 2011 10:14 pm
... Prepare bottles of vacuum. transfer them to container, on site? :-) Brian W...
3636
Simon Quellen Field
sqfield
Jun 6, 2011 10:45 pm
Fill the box with steam, and then freeze it? Theory says that should get you to 6 millibars (0.6 kilopascals). Brian -- If he has a 5 liter box at a 1,013.25...
... Though the suggestion was offered in jest, I suppose I need to answer "No" to your estimate: connecting one big vacuum container, is rather different from...
3639
brian whatcott
betwys1...
Jun 6, 2011 11:10 pm
... Talking about gas powered generators - a usable roughing pump is provided by a vacuum tube connected to the inlet manifold of an idling 4 stroke. Then...
3640
Thomas Janstrom
t_janstrom
Jun 7, 2011 1:36 am
How much suction could you get from a 4cyl engine if you took one cylinder out of service and used it as your vacuum pump? Not easy or cheap, but probably...
3641
Slavko Kocjancic
slavkok
Jun 7, 2011 7:30 am
... Hello... I got few orthodox sugestions. But all seems to be inposible to do. ... to get vaccum in container the container is to big. ... to buy gassoline...
3642
slavkok
Jun 7, 2011 7:30 am
... Hello... I got few orthodox sugestions. But all seems to be inposible to do. ... to get vaccum in container the container is to big. ... to buy gassoline...
