Solder Paste Group - Page 20

Group Administrators: 1 | Group Member: 198 | Group Threads: 217

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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4 comments

721 views

Tombstoning caused by too much solder paste

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

el.mehdi.fakir

2017/2/1 21:42:12

4 comments

866 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 ...(view more)

Gregor Macek

2017/2/1 21:05:37

4 comments

726 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?...(view more)

Juan Matte

2017/2/1 20:41:13

5 comments

799 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...(view more)

dioannis

2017/2/1 20:07:59

5 comments

718 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...(view more)

tim

2017/2/1 19:52:42

5 comments

761 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...(view more)

linhpost

2017/2/1 19:27:22

4 comments

762 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 ?(view more)

akira

2017/2/1 19:11:16

4 comments

955 views

LGa soldering issues

Help! We are havin issues installing the new Linear Tech LGA118's. We are installing 17 of these beast per assembly, the problem shorting? Any ideas? Linear Tech is usless, they blame heat, not a big ...(view more)