Electronics Forum: what (Page 796 of 1843)

Re: Wave solder of TQFPs

Electronics Forum | Wed Jul 19 16:28:31 EDT 2000 | Boca

Kinda along the lines 'if it comes we will build it'. Perhaps you can assemble it, I've not done it, but a question to ask a bit earlier is - should we. Check the specifications for the component, published by component vendor. Most of them really

Re: Wave solder of TQFPs

Electronics Forum | Fri Jul 21 11:30:39 EDT 2000 | Joe H.

Craig, Since you didn't share any detail regarding the component side of the board or what other components reside on the bottom side, I'm prepared to take a stab in the dark. Have you considered doing a double sided reflow on this board? Also

Re: On Board Forum with Bob Willis

Electronics Forum | Mon Jul 10 15:03:52 EDT 2000 | Michael Bryant

Just to reiterate what Bob said, we are very excited about his OnBoard Forum on July 20th. If you haven't signed up yet, I have included the Web address at the bottom of this message. Topics for this forum include Pin In Hole Reflow, Bob's process of

SMT adhesive recomendation

Electronics Forum | Thu Jul 06 02:08:27 EDT 2000 | Ralph Landry

I need to build a couple of prototype SMT boards and need some recomendations on some adhesive or epoxy to use to hold the parts down prior to hot air soldering. I find that some parts want to skip across the board when heated, or they want to walk

Re: APerture size for microBGA

Electronics Forum | Thu Jun 29 11:52:23 EDT 2000 | JAX

sree, There is no Definite. You have to make the call. If you think the previous info was on target, use the info provided to find out the appropriate percentage relation between ball diameter, pad diameter, and aperture size. If you already run BGA,

Re: COB's

Electronics Forum | Thu Jun 29 09:36:04 EDT 2000 | JAX

Peter, There is no truth's about the way things are, How something is done is only bound by who is doing it. You can check the archives for info to get you going but it's all up to you. As far as placement order, it all depends on what you are placin

Fuji PD Development

Electronics Forum | Mon Jun 26 12:39:48 EDT 2000 | Matt McKinley

My facility is getting swamped with new products. We are spending a LOT of time doing PDs. We generally use calipers for this operation. I understand Fuji has a PD developer tool that helps automate PD generation. Has anyone had any luck with thi

Re: Wave Solder Land Patterns

Electronics Forum | Wed Jun 28 07:45:39 EDT 2000 | Wolfgang Busko

Hi Allan, I can�t help with literature on that topic but we have great success with solder thiefs to prevent bridging with 2mm pitch THT-connector. We added just blind pads of the same size at the end of each row similar to what you can do with SMD

Aperture size for Micro BGA stencil

Electronics Forum | Thu Jun 22 10:27:26 EDT 2000 | Igmar

Can someone please help with the aperture size on a Micro BGA stencil. I want to have an electroformed stencil made with 0.1mm (4mil) thickness. The PCB pad for the micro BGA has a 0.406mm (16mil) diameter. What size should I make the apertures for t

Re: Skewing chip components

Electronics Forum | Fri Jun 23 11:27:27 EDT 2000 | Super K

Chrys and C.K. (or Little K from what I'm told), Where "I" work at, our fine management staff has informed us of "Smart Solder"! Not sure who makes it, but they claim it will make all your soldering problems go away. I'll send ya more info on it


what searches for Companies, Equipment, Machines, Suppliers & Information