From: gherold@teachspin.com   
      
   On Sunday, April 29, 2018 at 5:09:13 PM UTC-4, Phil Hobbs wrote:   
   > On 04/29/18 16:56, Ralph Mowery wrote:   
   > > In article , curd@notformail.com says...   
   > >>>> That's why I prefer the old mica pads.   
   > >>>   
   > >>> Mica is OK, and so is hard anodized aluminum plus grease.   
   > >>   
   > >> Not if you need electrical isolation.   
   > >>   
   > >>   
   > >>   
   > >   
   > > The only reason I know of to use mica or the anoidized aluminum plus   
   > > grease for them is when you need electrical isolation, otherwise just   
   > > use the grease or one of the rubber type pads.  The pads are good for   
   > > isolation or heat transfer.   
   > >   
   > Hopefully both, but either way they're inferior to mica + good HS   
   > grease.  A lot cleaner and more convenient though!   
   >   
   > Cheers   
   >   
   > Phil Hobbs   
   >   
   > --   
   > Dr Philip C D Hobbs   
   > Principal Consultant   
   > ElectroOptical Innovations LLC / Hobbs ElectroOptics   
   > Optics, Electro-optics, Photonics, Analog Electronics   
   > Briarcliff Manor NY 10510   
   >   
   > http://electrooptical.net   
   > http://hobbs-eo.com   
      
   Is mica any better than a sil pad?  I thought it was worse.   
   I found this,   
   http://www.ti.com/lit/an/sboa020/sboa020.pdf   
   there's a table on page 2.  But inconclusive... maybe mica is better.   
      
   George H.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)