The 0.2 is 2 X 2116, and 0.4 is same + 1x 7628. Anil On 30 Dec 2014 20:46, "Lawrence Dzaugis" <[log in to unmask]> wrote: > You have a single ply of fiberglass. The finished board can be rolled into > a tube. It is not stable material. It is a cheap bend once material. The > entire process has to be looked at. Any heat or strain on the material can > deform it. Assembly has the same challenge. > > I had to work with the board supplier to end up wit useable product. It > was much cheaper than flex material in the application. > > > > Anil Kher <[log in to unmask]> wrote: > >We have yield issues in production of 500 mm size panels in pattern to > hole > >alignment within 50 microns. > >Never thought fr4 panel will distort. > >Can anyone guide me on distortion of panel - 0.2 and 0.4 mm thick h/h > >Thanks a lot > >Anil Kher > > > > > >______________________________________________________________________ > >This email has been scanned by the Symantec Email Security.cloud service. > >For more information please contact helpdesk at x2960 or [log in to unmask] > >______________________________________________________________________ > ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________