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: 219 Threads,22 Pages
4 answers
381 views

Socket in wave soldering

Dear all There are alot sockets in our products,BIB.These skts are lifted abit after being solderd with wave machine.If the skts become lifted, how much tolerance of the high is acceptable? as example... (See More)

Gianni Trevisiol
2017-02-27 18:50:45
Cash
2017-03-01 18:50:45
4 answers
333 views

No Clean and Underfill

Good Afternoon Everyone, I have a customer who is inquiring as to the use of a no clean solder paste on their RoHS assembly. We are currently building this with OA, cleaning and then underfilling the ... (See More)

reilhacpierre
2017-02-27 18:50:08
Livio
2017-03-01 18:50:08
4 answers
432 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
367 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
411 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
427 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
382 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
346 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
430 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
265 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
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Search Results: 219 Threads,22 Pages