I'm sorry, I misread earlier. QFN, while possible, sucks. I was thinking QFP when I replied. It's still possible, but it's not as easy as I made it out to be. Without hot air I'm not sure how you could get a center pad done if it has one. On Mar 12, 2015 10:08 AM, "Joshua Noble" <[email protected]> wrote:
> > Thanks for the answers all. I'd love it if you could put me in touch with > your guy Jerry, I'm kinda under the gun for a client project and while I > love doing this stuff myself, this might not be the right place to put the > time I've got left. Otherwise I'll give Eriks approach a shot. > > Sidenote: even though I moved away from Portland a few years ago (just up > the road to Seattle) this list and its archive is still one of my go-to > sources. Makes me miss pdx. > > On Thu, Mar 12, 2015 at 9:01 AM, Jerry Biehler <[email protected]> > wrote: > >> I think a syringe dispenser with a tiny tip is going to be better than >> smearing and hoping. >> >> I might be able to put you in touch with the guy that hand solders our >> prototypes and does rework. I bet he would put that chip on there pretty >> cheap. >> >> -Jerry >> >> > On Mar 12, 2015, at 8:55 AM, Joshua Noble <[email protected]> >> wrote: >> > >> > >> > Hi all, >> > >> > I'm trying to put together a board that has an NRF905 as its primary >> component. It came back from OSHPark in pretty good shape, albeit with a >> slightly oddly shaped pads, but making a stencil for it has proved >> impossible. I've found places that offer metal QFN32 solder masks but >> elsewhere I've read that people have just put a thin layer of paste over >> all the pads and relied on the top solder mask of the board to keep pins >> from bridging. I don't want to ruin the board and one of my NRF905s without >> a seeking some wisdom first. Has anyone successfully done this without a >> stencil? Any tips or tricks or words of warning? >> > >> > I'd send a picture of the pad but I don't have a macro lens for a >> camera so it's very difficult to see. Many thanks in advance for any >> suggestions, >> > >> > >> > -- >> > joshua noble >> > >> > _______________________________________________ >> > dorkbotpdx-blabber mailing list >> > [email protected] >> > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >> _______________________________________________ >> dorkbotpdx-blabber mailing list >> [email protected] >> http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >> > > > > -- > joshua noble > http://thefactoryfactory.com > > _______________________________________________ > dorkbotpdx-blabber mailing list > [email protected] > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >
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