Category:PCB Assembly Solder Paste

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Solder paste is a material used in the manufacture of printed circuit boards to connect surface mount components to pads on the board. It is also possible to solder through hole pin in paste components by print solder paste in/over the holes.

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Search Results: 220 Threads,22 Pages
4 answers
161 views

LF Wave Solder - SN100C

We have been using a selective solder system for all of our automated LF through hole processing to this point. It has served us well but volumes are increasing and we are getting ready to pull the tr... (See More)

Marco
2017-02-27 17:25:16
Carr
2017-03-01 17:25:16
4 answers
150 views

Referee Call on Solder Balls

Need your help with a referee call on solder balls. See attached pictures. Engineering believes the solder balls and splash in pictures violate IPC-A-610E-2010 section 5.2.7.1. Purchasing on the other... (See More)

JPOS
2017-02-27 16:59:39
Blair
2017-03-01 16:59:39
5 answers
169 views

Solder tip cleaner

Hi. I'm trying to looking for a manner to enlagre the solder tip life. I have heard about some chemicals substances that help both avoid or eliminate oxidation on tips. Anybody can suggest me some of ... (See More)

Keven Lohuds
2017-02-27 07:40:12
Ibrahim ARI
2017-03-01 07:40:12
5 answers
166 views

Any help reflow soldering Through Hole parts

We have a double sided pcb that is surface mount on both sides. Now a Through Hole connector has been added. Appart from hand soldering does anyone have info. on reflow soldering the part. The connect... (See More)

mmaggi
2017-02-27 07:20:11
kelvint
2017-03-01 07:20:11
5 answers
62 views

Cold Welding Phenomenon

Cold Welding I'm presently doing a project on reflow profiling. I came across this expression. Can someone please give me a definition. (See More)

Scott
2017-02-27 07:20:07
Benjamin
2017-03-01 07:20:07
5 answers
54 views

Closer lead more soldering bridge

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 sing... (See More)

Mohamed Ramadan
2017-02-27 07:18:36
barkoczay
2017-03-01 07:18:36
2 answers
53 views

NiPdAu Soldering Problems?

am having wetting issues with two Burr Brown Op amps. Both are SOICs with NiPdAu lead frame finishes. I have attached a photo that shows a black streak the length of the lead (before soldering). This ... (See More)

Tzipiripi
2017-02-27 07:06:16
leonard.roussel
2017-03-01 07:06:16
5 answers
37 views

SPOT (Solder Paste On Thru-Hole)

Planning to evaluate the above process... Can anyone can give me some tips/infos on the above.... e.g. stencil aperture design, aperture ratio, common problems and solutions they encountered on the ab... (See More)

sergio
2017-02-27 07:04:50
henrik.svensk
2017-03-01 07:04:50
5 answers
167 views

45 Degree Wave Soldering

A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... ... (See More)

Keven Lohuds
2017-02-27 06:35:34
paufler71
2017-03-01 06:35:34
4 answers
165 views

Solder Balls on end of long pins

I am wave soldering a single sided through hole PCB array with (6) .040" round diameter pins that sit .5" off the PCB, and .080" apart. The problem being experienced is that solderballs are appearing ... (See More)

Josh
2017-02-27 06:01:44
rayy2007
2017-03-01 06:01:44
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Search Results: 220 Threads,22 Pages