Electronics Forum: solder ball after reflow (Page 187 of 199)

Re: PCMCIA QFP Process Issue

Electronics Forum | Tue May 23 20:44:13 EDT 2000 | Dave F

Sal: You and Wolfgang are spot on, but let's see if we can blow this out a bit. Before proceding to rattle on ... � PC Card. A credit card-size computer peripheral that add memory, mass storage, and I/O capabilities to computers in a rugged, compa

Re: Solder surface tension

Electronics Forum | Tue Oct 12 05:09:13 EDT 1999 | Brian

| | | | | | | Can anyone tell me the formula/method to determine | | | | | | | the amount of weight that solder's surface tension can support. | | | | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | | | | of a board during

ultra low cost pick and place?

Electronics Forum | Sat Jun 12 19:48:47 EDT 2010 | bootstrap

I like what you're doing. 20 years ago anyone, hobbyists and tiny garage-shop companies could create electronics devices just as sophisticated and cool as big corporations. Today, SMT has largely trashed the creativity (and competition) that existe

Re: Help... Need new or used SOIC-16 metal tubes - Do You Really??

Electronics Forum | Tue May 05 15:45:37 EDT 1998 | Dave F

| Looking to buy used or new tubes, that will fit an SOIC-16 | Need these tubes ASAP. We need to bake these parts and drypack. | Please email or call if you can help. | Eric Jenkins | 801 956-0897 Eric I'm not sure of the manufacturer of the parts th

Re: Solder surface tension

Electronics Forum | Sat Oct 09 10:30:24 EDT 1999 | bix

| | | | | Can anyone tell me the formula/method to determine | | | | | the amount of weight that solder's surface tension can support. | | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | | of a board during a top side refl

Re: Solder surface tension

Electronics Forum | Mon Oct 11 12:49:11 EDT 1999 | John Thorup

| | | | | | Can anyone tell me the formula/method to determine | | | | | | the amount of weight that solder's surface tension can support. | | | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | | | of a board during a top s

Re: Off Pad Printing

Electronics Forum | Mon Jun 28 22:02:13 EDT 1999 | Dave F

| Hey there gang, how's it going ? | | Anyway's here's my probelm, got a new product to build double sided reflow, lot's of so20's and PLcc's 1206's, 0805's the usual stuff. Probelm is all the pad spacing of the 1206's are too big, my component's ar

Equipments required for making SMD PCB's

Electronics Forum | Sat Jun 27 00:23:26 EDT 2009 | grantp

Hi, This is easy. If your just doing prototypes, then you could get by with a syringe of solder paste and a hear gun. You can put down a little solder paste on each page and then place the passives and heat gun the board. If you have other active p

Re: Cleaning No-Clean

Electronics Forum | Thu Oct 15 13:55:43 EDT 1998 | Steve A

Dave, The first step would be to learn to accept the residue. IPC class 2 has no problem with it. If that is not possible, I am not sure why a no clean is necessary- but I will take your work for it. Alcohols will dry out the residue, and turn it

Re: Cleaning No-Clean

Electronics Forum | Thu Oct 15 16:39:07 EDT 1998 | Dave F

Steve: I thought Kyzen products were "additives" to either aqueous or semiaqueous inline or batch machine cleaning processes. I'm trying to clean the no-clean residue from a few components that can not bear to see water. Can you use Kyzen products


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