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IWETHEY Home / IWETHEY Board / Science Forum / It's tantalum. That makes sense.
Post #8,242
by warmachine
9/11/01 10:26:02 AM
Reply
New It's tantalum. That makes sense.
Tantalum is good at withstanding heat. I don't remember it having any decent electrical properties. I don't remember it being black. Or is that just the ore?

This now becomes a question of economics, why bother with such an unusual and not particularly useful metal?
Microsoft Outlook - one, big, macro virus portal.
Post #8,464
by Another Scott
9/11/01 10:27:53 PM
Reply
New Tantalum oxide capacitors.
That seems to be the main use of tantalum in electronics. They allow you to make very low loss, very high quality, small, capacitors - which is difficult to do with normal silicon IC processing.

Tantalum is a "refractory" metal - it has a very high melting point. It's often used in vacuum chambers for heating elements for furnaces and the like. Its oxide is also being investigated for use in things like high density RAM (because its dielectric constant is much higher than SiO2's).

More [link|http://ugandagold.com/tant-back.html|here].

Hope this helps.

Cheers,
Scott.
     What is coltan? - (warmachine) - (15) - Sept. 11, 2001, 08:47:38 AM EDT
         But tantal(-um, -ium?) *is* a metal; used as alloy in steel. -NT - (CRConrad) - (2) - Sept. 11, 2001, 10:10:09 AM EDT
             It's tantalum. That makes sense. - (warmachine) - (1) - Sept. 11, 2001, 10:26:02 AM EDT
                 Tantalum oxide capacitors. - (Another Scott) - Sept. 11, 2001, 10:27:53 PM EDT
         Coltran is similar to Forbol - (tablizer) - (11) - Sept. 18, 2001, 09:10:42 AM EDT
             Just because you CAN post... - (pwhysall) - (10) - Sept. 18, 2001, 06:27:46 PM EDT
                 Let's take a vote - (tablizer) - (9) - Sept. 21, 2001, 01:05:14 PM EDT
                     Thumb down -NT - (Fearless Freep) - Sept. 21, 2001, 01:09:23 PM EDT
                     Semi. -NT - (imric) - Sept. 21, 2001, 02:41:07 PM EDT
                     Semi - (inthane-chan) - Sept. 21, 2001, 03:02:03 PM EDT
                     Not tasteless, certainly. - (admin) - Sept. 21, 2001, 04:13:05 PM EDT
                     Quite funny IMO, actually - (CRConrad) - Sept. 21, 2001, 09:12:37 PM EDT
                     Silly'd better be fine or, - (Ashton) - Sept. 21, 2001, 10:08:38 PM EDT
                     I thought it was okay. -NT - (static) - Sept. 24, 2001, 08:14:00 AM EDT
                     Unoriginal, unfunny -NT - (warmachine) - (1) - Sept. 24, 2001, 08:25:13 AM EDT
                         You've seen it before somewhere? -NT - (tablizer) - Sept. 27, 2001, 11:03:27 PM EDT

Bit of an extreme case, isn't it?
150 ms