If you’ve opened a Mac to upgrade a hard drive or RAM recently you may have noticed that Apple is now using blue circuit board material as opposed to the more traditional green G10-FR4 epoxy circuit boards.
According to a colleague who has worked in the semiconductor industry for years blue boards used to be less reliable and more prone to wiskering (copper migrating between plated through holes and shorting connections) and were not as temperature stable as their green G10-FR4 counterparts.
Read the rest of the story on my ZDNet Blog: The Apple Core.
If you’ve opened a Mac to upgrade a hard drive or RAM recently you may have noticed that Apple is now using blue circuit board material as opposed to the more traditional green G10-FR4 epoxy circuit boards.
According to a colleague who has worked in the semiconductor industry for years blue boards used to be less reliable and more prone to wiskering (copper migrating between plated through holes and shorting connections) and were not as temperature stable as their green G10-FR4 counterparts.
Read the rest of the story on my ZDNet Blog: The Apple Core.
