Not impossible, just stand them up a little bit off the board. ----- Original Message ----- From: "Olgierd Eysymontt" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, July 26, 2005 6:27 AM Subject: Re: gEDA-user: bottom side pad only in PCB
> Harry, > The problem are not the DIP's but components like electrolytic > capacitors, relays, DIP sockets or others that cover the pins so it's > impossible to solder them in the up side. > > Thanks, > > Olgierd > > On Mon, 2005-07-25 at 21:49 -0400, harry eaton wrote: > > If you make a double-sided board that's not plated through, simply solder > > the pins on both sides. You will have to use Z-wires for each via too. > > > > h. > > > > ----- Original Message ----- > > From: "Olgierd Eysymontt" <[EMAIL PROTECTED]> > > To: <[email protected]> > > Sent: Monday, July 25, 2005 2:35 PM > > Subject: Re: gEDA-user: bottom side pad only in PCB > > > > > > > Yes Harry, that's what I do, but sometimes it's not possible to route on > > > only one side, so I make double sided boards, and in that cases, I have > > > to route by hand the upper side (bacause PCB will try to attach to the > > > pins thinking I have Plated Trough Holes), anyway it's not a big job as > > > PCB do the most on the solder side, but would be nice that PCB could do > > > the full job as the toner transfer method is really cheap, fast and > > > good, I make traces of 10 mils without problems and take no more that > > > 1-2 hours to have a small board ready (even drilled), so I use it a lot. > > > > > > Thanks > > > > > > Olgierd > > > > > > > > > > > > On Mon, 2005-07-25 at 18:23 -0400, harry eaton wrote: > > > > The auto router only routes on visible layers. Simply turn off > > visibility of > > > > all but the solder layer > > > > before running the auto-router, and it will only route on the solder > > layer. > > > > > > > > h. > > > > > > > > > > > > ----- Original Message ----- > > > > From: "Olgierd Eysymontt" <[EMAIL PROTECTED]> > > > > To: <[email protected]> > > > > Sent: Monday, July 25, 2005 7:25 AM > > > > Subject: Re: gEDA-user: bottom side pad only in PCB > > > > > > > > > > > > > Another case of the no component side pad is when you make boards at > > > > > home (with the toner transfer method for example) and don't have PTH, > > > > > like most components can't be soldered on top, you have to route the > > > > > component side by hand while the solder side is done automatically by > > > > > PCB. If there would be an option to avoid the auto router to connect > > to > > > > > the pins in the component layer it would be great and unique. > > > > > > > > > > Thanks for such a good software, > > > > > > > > > > Olgierd > > > > > http://www.tea-tec.cl > > > > > > > > > > On Sun, 2005-07-24 at 23:47 -0400, Dan McMahill wrote: > > > > > > Thanks harry! Both of these suggestions should work fine. > > > > > > > > > > > > -Dan > > > > > > > > > > > > harry eaton wrote: > > > > > > > Dan, > > > > > > > > > > > > > > Let's start by assuming you can tolerate a tiny annular ring on > > the > > > > top > > > > > > > side. If so, then make the pins have a miniscule annular ring and > > > > place SMD > > > > > > > pads over them on the back side; use identical pin numbers for the > > > > pads and > > > > > > > pins that are coincident. > > > > > > > > > > > > > > If you can't tolerate plated holes, then simply make SMD pads on > > the > > > > back > > > > > > > side and make pure "mounting" holes for the pins to feed through. > > > > > > > > > > > > > > Either of these is fully supported with the current pcb code. > > > > Eventually we > > > > > > > could have the pin annular ring have per-layer size. > > > > > > > > > > > > > > h. > > > > > > > > > > > > > > ----- Original Message ----- > > > > > > > From: "Dan McMahill" <[EMAIL PROTECTED]> > > > > > > > To: <[email protected]> > > > > > > > Sent: Sunday, July 24, 2005 10:17 PM > > > > > > > Subject: gEDA-user: bottom side pad only in PCB > > > > > > > > > > > > > > > > > > > > > > > > > > > >>anyone ever have to deal with a part which is leaded but only > > wants a > > > > > > >>solderside pad in PCB? I think it just doesn't do it currently. > > > > Anyone > > > > > > >>have a workaround until I can get time to fix this? > > > > > > >> > > > > > > >>Thanks > > > > > > >>-Dan > > > > > > >> > > > > > > >>p.s. Think metal package parts... > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > No virus found in this incoming message. > > > > > Checked by AVG Anti-Virus. > > > > > Version: 7.0.338 / Virus Database: 267.9.4/57 - Release Date: 7/22/05 > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > No virus found in this incoming message. > > > Checked by AVG Anti-Virus. > > > Version: 7.0.338 / Virus Database: 267.9.4/57 - Release Date: 7/22/05 > > > > > > > > > > > > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.338 / Virus Database: 267.9.5/58 - Release Date: 7/25/05 > >
