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
85 views

to control solder paste

We need to develop a method of putting solder paste on a stencil then putting the unused part back into the re-frig. Reason we are thinking of this method is because we only run circuit boards twice a... (See More)

Alston
2017-02-26 10:29:49
Xavier
2017-02-28 18:29:49
5 answers
159 views

Solder Balling Machines

Name of equipment that automatically does the solderballing. Pads are .010" on .050" pitch (See More)

Pedro Skou
2017-02-26 08:42:43
sami
2017-02-28 08:42:43
5 answers
78 views

Solder on GF

Hi All, Does any one experienced the solder on gold finger after reflow. Its about 5 to 8 mils diameter . We'd clean the entire screen printer, mounter & reflow as well, but doesn't help much. (See More)

Nadia
2017-02-26 07:13:12
efem elec. co.
2017-02-28 07:13:12
5 answers
172 views

Solder Joint Integrity

Dear fellow process engineers, Some solder joints "trough hole component" have cracked. I suspect that in the market some technician tried to straighten some components (LED) and has applied eno... (See More)

reilhacpierre
2017-02-26 07:06:53
Boris
2017-02-28 07:06:53
4 answers
94 views

Pace DeSoldering Tips

Has any one seen any problems with the Pace tips since the tips went Lead Free, We are going through 2 to 3 times more tips as they went to lead free tips. (See More)

Mike
2017-02-25 22:20:49
Cleveland
2017-03-01 22:20:49
5 answers
103 views

Solder ability

I have a project to evaluate solder ability of various metals or plated finish. I'd like to tap in to get some advise. The project is to evaluate solder ability of various metals or plated finishes fo... (See More)

Nicolas Giussani
2017-02-25 22:17:58
Marco
2017-02-27 22:17:58
1 answers
1211 views

Soldering Station with an ATmega8

The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you. What is one of the most essential tools in an electrical engineer’s kit? I’ll tel... (See More)

aesistemas
2017-02-19 10:23:03
Mustafa ozcelik
2017-02-21 10:23:03
1 answers
36 views

What can we do to avoid redundant solder ball?

For the PCB board with many BGA chips, how to avoid redundant solder ball?  (See More)

Eduardo Gonzalez
2017-02-16 13:44:26
Clarence
2017-02-18 13:44:26
1 answers
48 views

Can you tell me the suitable time for solder paste mixing and temperature recovery?

For the PCB board with many BGA chips, what are the appropriate time for solder paste mixing and temperature recovery?     (See More)

David
2017-02-16 09:51:21
claudio
2017-02-18 09:51:21
1 answers
373 views

What is the Influence on Soldermask Thickness Uniformity?

In the process of PCB soldermask manufacturing, the craft of PCB continuous double-side printing liquid soldermask by silkscreen printing nail-bed has been massively applied. Since relatively big diff... (See More)

Clare
2017-02-12 20:20:54
Mustafa hakan
2017-02-14 20:20:54
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