Very interesting. So how exactly do you use it, from both design & manufact= uring POVs?=0A= =0A= Sent from my phone=0A= =0A= On Apr 24, 2014, at 13:29, Harrison Cooper wrote:=0A= =0A= > We use it all the time. More expensive, but then again our board blanks = are expensive anyway. We also do power distribution analysis on our design= s, both from a software and lab aspect. We use it because in most cases we= do not have enough room on the board for the amount of distributed capacit= ance the design requires.=0A= > =0A= > -----Original Message-----=0A= > From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf = Of Charles Craft=0A= > Sent: Tuesday, April 22, 2014 7:17 AM=0A= > To: PIClist=0A= > Subject: [EE]: FaradFlex (PCB capacitor layers)=0A= > =0A= > http://www.faradflex.com/=0A= > =0A= > http://www.faradflex.com/support/faq.aspx=0A= > =0A= > "How many capacitors can be removed by using FaradFlex=AE? =0A= > Since every design is custom there is no clear rule to determine the exac= t amount of capacitors that can be removed. There is significant data that = shows the amount of capacitance needed in the FaradFlex=AE laminate can be = as little as 1% or less than the amount that can be removed by eliminating = the capacitors from the surface. This is primarily due to the fact that the= thin FaradFlex=AE laminate has magnitudes less impedance and a very small = inductance loop for power delivery. Also, at frequencies above 200 MHz the = surface capacitors do not have time to deliver their charge in many cases t= hey are acting mostly as inductors rather than capacitors. There are case s= tudies showing hundreds and even thousands of bypass capacitors coming off = one PCB. "=0A= > =0A= > Anyone looked at or used something like this in a design?=0A= > =0A= > chuckc=0A= > =0A= > =0A= > =0A= > =0A= > --=0A= > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/cha= nge your membership options at http://mailman.mit.edu/mailman/listinfo/picl= ist=0A= > =0A= > This e-mail (and any attachments) is confidential and may be privileged. = Any unauthorized use, copying, disclosure or dissemination of this communi= cation is prohibited. If you are not the intended recipient, please notif= y the sender immediately and delete all copies of the message and its attac= hments.=0A= > =0A= > -- =0A= > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive=0A= > View/change your membership options at=0A= > http://mailman.mit.edu/mailman/listinfo/piclist=0A= =0A= -- =0A= http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive=0A= View/change your membership options at=0A= http://mailman.mit.edu/mailman/listinfo/piclist=0A= .