Electronics Forum: solder (Page 753 of 2102)

Re: BGA PROFILE

Electronics Forum | Tue Feb 02 14:53:56 EST 1999 | Tony

| Hi everybody. | Somebody know any consideration or special care to make a profile for BGA's. | | any advice is aprecied. | | thanks | Al Carrillo | | | | Al, I have been using the same process as Justin recomendations. I have been verry su

Re: RMA Solder Pastes

Electronics Forum | Fri Jan 22 17:03:55 EST 1999 | Ross Berntson

| I'm currently planning to do an evaluation of RMA flux solder pastes for mil type applications. Does anyone have any suggestions for vendors to try? I'm especailly interested in pastes that aid application on boards with 20 mil pitch. | I am fro

Hand soldering rework fluxes

Electronics Forum | Thu Jan 14 16:32:58 EST 1999 | Dave Jurena

Hi all, I thought I'd use this forum to ask a couple general questions on fluxes for manual operations: First - Is it OK to use a wave soldering type flux (specifically OA)? Thinking about activation temperatures and the ramp rate of the wave solder

Re: Solder Paste

Electronics Forum | Wed Jan 13 07:37:45 EST 1999 | EFData

We have evaluated using WS-629 and our feelings are that the formula is not very stable. One evaluation showed great results; superior solder joint appearance and good printability. The paste would not roll on another evaluation nor would it release

Orientation of DIP IC's for Wave soldering

Electronics Forum | Mon Jan 11 16:34:30 EST 1999 | Tom B

_|__|__|__|__|_ | | | | |_ __ __ __ __ _ | | | | | 2. Direction thru Wave -----------------------> ______

Re: Selective Soldering

Electronics Forum | Sun Jan 10 19:51:20 EST 1999 | Chris G.

| I need leads on equipment vendors for selective soldering systems. I have information about ERSA and Seho already. I want to contact Air Vac in particular, but I can't find thier phone number. Thanks for the help | Jim, Below are a couple of

Re: Cleaning No Clean Wave Solder Carriers

Electronics Forum | Fri Jan 08 17:56:16 EST 1999 | Eric Miller

Hi Chrys, Hate to bring you down, but, wave solder pallets exposed to any kind of flux is subject to "Build up" on the carrier. You still have to clean them, hopefully on a regular basis.If the pallet is being run in a high production envirnment, I w

Selective debridging

Electronics Forum | Fri Jan 01 09:00:21 EST 1999 | John Smith

Give me your opinions and experiences of SelectX, selective debridging system in the Vitronics Soltec wave soldering machines.

Re: SRS Machine Issue..What about the dross recycling

Electronics Forum | Tue Dec 29 09:46:37 EST 1998 | Darryl Schlosser

| We are looking into a SRS machine, and one question keeps coming up, "If we pull out all the solder, will the recycling company refuse to purchase the remaining dross?" | | Anyone who out there that uses a SRS machine(Solder Recovery System) I wou

Re: Gold Bump Flip Chip Attach

Electronics Forum | Thu Dec 24 13:29:19 EST 1998 | Chris Grendler

| | Anyone ever attach gold bump flip chip to FR4 or Alumina substrates. Am trying to find a solder which is acceptable for use on gold. Am worried about gold imbrittlement since the gold bumps on the flip chip are .004"x.004"x.001" solid gold. The


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