Electronics Forum: taiyo and white (Page 1 of 7)

Immersion gold and BGAs

Electronics Forum | Fri Aug 26 14:15:16 EDT 2005 | David

Where could I find more information regarding the double sided reflow and flux problems with white tin?

Immersion gold and BGAs

Electronics Forum | Fri Aug 26 09:48:11 EDT 2005 | David

I have heard that there are problems using immersion gold on PCBs when working with BGAs. Is this correct? Is white tin more suitable?

Wave flux and profiling

Electronics Forum | Mon Dec 18 13:00:47 EST 2006 | grantp

Hi, We have a white residue, which is visible, and we would like to have the produce clean as it's a PCI card, so users see the PCB. I am wondering if we need to install a cleaning stage to the line for these kinds of products. Can anyone give som

Immersion gold and BGAs

Electronics Forum | Fri Aug 26 09:57:21 EDT 2005 | russ

The Immersion gold is not a problem with BGAs specifically but "black pad" which can be present anywhere. The unfortunate thing with BGAs is you cannot see it. Personally I hate white tin. It is okay for single sided boards running no-clean, but c

Flux Designations and Composition

Electronics Forum | Mon Jul 12 11:35:27 EDT 2004 | Pierre RICHARD

Here are some answers to my questions after a good research. I also added more definitions that could help understand this esoteric language used in assembly, specially surrounding fluxes and their use. In blue italics are comments and extracts from

Ecofree 303 conductive and corrosive?

Electronics Forum | Sun Aug 23 22:13:45 EDT 2009 | joannetjy

Hi All, Recently, I need to deal with a customer complaint that specify the PCBA white residue (flux residue from ecofree 303) may be the reason why the board intermittent. Anyone have such experience with this flux? Anyone can tell me is this flux

Ecofree 303 conductive and corrosive?

Electronics Forum | Mon Aug 24 03:59:26 EDT 2009 | hurr

Hallo Joanne, I had employed by producer of Ecofrec 303. We make many tests of corrosion and conductive test in our company. All results of this tests was OK . Vast majority correspond mil standarts. When I ask my labor assistent in BRY, white residu

Ecofree 303 conductive and corrosive?

Electronics Forum | Mon Aug 24 04:46:54 EDT 2009 | joannetjy

Hi Radek, Thanks for your reply. I use this flux with manual soldering process for the product. Is this flux suitable for manual soldering? or it is only for wave soldering? I have sent the board for analysis, and the report shown that the white res

Lead-Free Finish Boards and Components

Electronics Forum | Wed Jul 07 13:56:57 EDT 2004 | Pierre RICHARD

As converting our boards to lead-free finish (Immersion White Tin) we decided to change de mask color from green to blue. We thought this would be a good idea to spread the idea so we could easily recognize the type of solder application related to t

Problems with Vision and White Soldermask

Electronics Forum | Tue Aug 02 10:46:03 EDT 2016 | proceng1

We are getting more and more customers wanting LED boards built on White Solder Mask. Well our printers do not get as much contrast between the white mask and the plated fiducial pad, and often the camera only sees white. Other than playing with

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