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
70 views

solderballs/solderbeads

any body can help reducing/completely finishing of solderballs / solderbeads after reflow on surface mount. i will be appreciated upon suggestions and techniques. (See More)

petrstudeny
2017-02-01 22:50:32
David Russell
2017-02-03 22:50:32
4 answers
41 views

DC-DC Converter with solder ball package

Due to spacing issue, we are considering using power bricks with tin/lead solder ball instead of PTH package. The solder ball is 40 mil diameter. Our CM suggested they do hand place since the pick and... (See More)

Clarence
2017-02-01 22:37:56
Colbert
2017-02-03 22:37:56
3 answers
80 views

Efficient Selective Soldering

The brand new ersa ECOSELECT 1 selective soldering system - the perfect start-up solution for efficient and reproducible soldering processes in small-scale and customized production. Ersa EC... (See More)

Angelo
2017-02-01 22:19:11
Patrick Hamers
2017-02-03 22:19:11
4 answers
67 views

Tombstoning caused by too much solder paste

Dear All, Is anyone know why too much solder paste might cause tombstoning defect? (See More)

el.mehdi.fakir
2017-02-01 21:42:12
Jana Velicova
2017-02-03 21:42:12
4 answers
137 views

How long can you leave paste?

Hello Just wondering if anyone has done trials on how long you can leave paste (tin-lead or pb free) on a board after you have printed it before it starts going 'off'? Thanks Chrissie ... (See More)

Gregor Macek
2017-02-01 21:05:37
Juan Pablo Vales
2017-02-03 21:05:37
4 answers
139 views

Solder Balls and Humidity

I want to get a collective opinion from the forum... I was always under the impression that Humidity at SMT can be a disaster and can cause solder balls... But what about at the Wave/Selective solder?... (See More)

Juan Matte
2017-02-01 20:41:13
Garry Thorn
2017-02-03 20:41:13
5 answers
163 views

PB Free Wave Solder Pot

Anyone know of a place to get a replacement pot for an Electrovert Econopak II SMT? Preferably a titanium pot? We currently have a machine that is running SN100C and it seems to be developing some pit... (See More)

dioannis
2017-02-01 20:07:59
Clare
2017-02-03 20:07:59
5 answers
104 views

Wave solder bridging

I do not have a lot of specs at the moment. I just wanted to get some opinions and some of you thinking. I will get some part specs and add to this post later. WE are running a pretty big PCB an... (See More)

tim
2017-02-01 19:52:42
Pierre Mainardi
2017-02-03 19:52:42
5 answers
39 views

Wavesolder Process

Please accept my apologies for being offtopic. I have tried posting on the career center, and our job even appeared at the top of the most recent smtnet email newsletter. Still, we received essentiall... (See More)

linhpost
2017-02-01 19:27:22
Andy
2017-02-03 19:27:22
4 answers
71 views

Leaded Wave Solder Set Up

Hi All, I was wondering if any of you have any ideas on what is the optimum angle for the conveyor to pass over the waves on a leaded wave machine ? (See More)

akira
2017-02-01 19:11:16
Mario
2017-02-03 19:11:16
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Search Results: 220 Threads,22 Pages