On Mar 14, 2009, at 3:16 PM, Clark Martin wrote:
> > PAR wrote: >> still don't have a good feel for an answer. For example, arctic >> silver (and comparable products) say they are thermal conductors and >> not electrical conductors, yet the fine print says it may end up >> shorting out circuits -- in plain English, that means it is an >> electrical conductor. The processor I have to plug into my gigabit >> machine is a standard Apple dual processor with a standard apple >> heatsink. Does anyone know where I could buy about two inches of >> Apple >> thermal conductive tape, which appears to be the original product >> used >> in Macs? > > Even if the thermal GREASE is non-conductive, you have two metal > surfaces being pressed together. They will almost certainly come into > direct contact and make an electrical circuit if possible. That is > why > it doesn't really matter if the thermal grease is electrically > conductive or not, one has to assume the two metal items will make > contact. That is unless you are also adding an object between them > that > is specifically designed to keep them out of electrical contact. > The 'Electrically conductive' being a problem is NOT between the processor & heat sink, it's the problem caused by 'excess conductive paste' oozing onto circuit traces adjacent to the processor, and shorting various signals and/or power traces. I.E. "Sloppy application" Chuck D. > -- > Clark Martin > Redwood City, CA, USA > Macintosh / Internet Consulting > > "I'm a designated driver on the Information Super Highway" --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
