Hi. What is the purpose of a copper shim? I have one on my CPU right now, but arctic cilver told me that they have been known to cause heat problems and are not very advantageous to the CPU. The heat problem is supposedly caused by not allowing the heatsink proper connection with the die. My CPU runs at 65 degrees C now... hmmm... well, tell me what you guys think and give me some advice. Should I take it off???