Electronics Forum: immersion depth (Page 3 of 5)

Re: Closer lead more soldering bridge by using spray flux

Electronics Forum | Tue Jun 08 13:06:53 EDT 1999 | Kevin Hussey

| | Hi,my master | | How to iron out such soldering bridge with below conditions: | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | 3.using spraying fl

Oooooh noooooo!!!

Electronics Forum | Tue Jun 08 14:16:49 EDT 1999 | Dave F

| | Hi,my master | | How to iron out such soldering bridge with below conditions: | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | 3.using spraying fl

Blowholes during wave soldering

Electronics Forum | Thu Sep 06 17:37:05 EDT 2007 | hakerem

Hi Joris - There is an excellent wave solder guide called "Take No Prisoners" that includes instructions for attacking and eliminating solder balls and preventing their recurrence: 1. Increase Dwell Time Solder balls are normally caused by too much f

MOLE's Oven rider

Electronics Forum | Mon Jan 04 22:59:23 EST 1999 | Kris Ewen

I'd like to add something about the ECD product. During a past work term (I'm a a co-op student) in an SMA plant, I worked extensively with the Super MOLE Gold in developing the reflow profiles for high-mix, low-volume production. I was 'married' t

Re: Oooooh noooooo!!!

Electronics Forum | Tue Jun 08 15:04:06 EDT 1999 | JohnW

| | | Hi,my master | | | How to iron out such soldering bridge with below conditions: | | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | | 3.using s

SPC for Wave solder (defects on PCB's)

Electronics Forum | Wed Feb 15 19:20:46 EST 2006 | Mr. Samir

Russ, On both instruments, I ran them through the wave 20 times each using identical profiles and wave parameters, and then used statistical formulas to measure the variation and repeatability of each. I had these all in Excel, but that was around 1

Re: Wetting Balance Equipment

Electronics Forum | Mon Aug 17 02:57:47 EDT 1998 | Bob Willis

| | Looking for Suppliers of surface mount wetting balance equipment. | Bucky: Section 6 of the ANSI/J-STD-002 specification lists wetting balance suppliers. Dave F I like and continue to use the Multicore system. I have had many ours using the sys

Re: Closer lead more soldering bridge by using spray flux

Electronics Forum | Tue Jun 08 17:52:53 EDT 1999 | Chrys Shea

| | | Hi,my master | | | How to iron out such soldering bridge with below conditions: | | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | | 3.using s

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Mon Nov 09 09:44:22 EST 2015 | davef

Purpose. This describes setting-up a wave soldering system set-up for a new assembly design or checking a wave solder machine operation with a test board. Applicability. To be used for new design printed circuit assembles and during machine accept

Re: Black spots on gold finish pads.

Electronics Forum | Tue Dec 01 07:24:44 EST 1998 | Earl Moon

| Hi folks , | Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most. Our inspection


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