On Wed, Jun 21, 2017 at 12:00:07PM +0100, Luke Kenneth Casson Leighton wrote: > .On Wed, Jun 21, 2017 at 9:35 AM, mike.v...@gmail.com > >> in a stack you tell the factory what thicknesses you want, as well as > >> what material in between, and what thickness of that, too. so you get > > > So it doesn't have to be a problem. As long as you control the layers > > that have traces have the same thicknesses. > > technically correct but far too much risk and hassle. you end up > tying the PCB layout to a specific PCB manufacturing factory.
Are there high-frequency risks/problems with switching back and forth between the layer pair so that each trace travels equal distances on layer X and on layer Y? Wolfram _______________________________________________ arm-netbook mailing list arm-netbook@lists.phcomp.co.uk http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to arm-netb...@files.phcomp.co.uk