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
5 answers
72 views

exploding reflow paste

Hello. I have a problem with reflow soldering of PCBs with golden pads. Peste explodes in the oven. I don't know in witch phase of process (in what point of profile) it happens. It's the reason of pro... (See More)

Francisco Marquez
2017-02-02 00:47:06
tomikkudziati88
2017-02-04 00:47:06
5 answers
101 views

Lead free Solder Paste troubles

We are printing on an assembly using SAC305 Alloy Sn96.5 Ag 3 Cu .5 with a no clean flux and getting virtually NO spread with either a ramp to spike or straight ramp profile. We are printing to standa... (See More)

barkoczay
2017-02-02 00:32:42
Bernard
2017-02-04 00:32:42
5 answers
134 views

QFP with Sn Pin Plating

Hi All, could anyone advise me what we need to pay attention to if we will be usingthe Sn Pin plating as lead free requirement in SMT reflow process, is it a need to increase the Temp Profile by... (See More)

paolo.costanzi
2017-02-02 00:17:26
effevalerio
2017-02-04 00:17:26
5 answers
153 views

Solder Paste for SMT Production

Well guys, I just buy a brand new solder paste softener Malcom type SPS2, I've tried with this with this viscosity result. I Use Almit Solder Paste Lead Free LFM-52X 1 min : 264 pas. 2 min... (See More)

henrik.svensk
2017-02-01 23:39:23
sean-maloney
2017-02-03 23:39:23
5 answers
40 views

Solderability

Hi We are trying to solder a a contact whose base material is stainless steel, this is then nickel striked with a gold plating of upto 3 microns. We are trying to hand solder this to a standard ... (See More)

robotszoft
2017-02-01 23:25:59
giuliocirilli
2017-02-03 23:25:59
4 answers
134 views

No solder and solder bridge after wave solder

Hi, We have a board with over 100 chips (mixed size) and some long Connector DIP through out Wave solder with many issues of no solder and solder bridge, (using clean flux with bubble fluxer and Keste... (See More)

Fatih YASAR
2017-02-01 23:20:43
sam adnan
2017-02-03 23:20:43
4 answers
138 views

Jars versus Cartridges

Are there any pros or cons in regards to jars or cartridges for solder paste dispensing and handling? (See More)

ramadanrenan
2017-02-01 23:19:01
vintageamplification
2017-02-03 23:19:01
4 answers
78 views

Tyco SSS

Anyone have first hand experience using the Tyco/RPS selective soldering systems? I do not want to hear from reps, just actual users. (See More)

kalman.kovacs
2017-02-01 23:12:15
efem elec. co.
2017-02-03 23:12:15
4 answers
154 views

Wave Solder, Flux density measurement?

Just wanted to take a quick poll, as to how others are taking flux density measurements on their wave solder machines.(those that don't have flux density contollers) We are using a glass hydrometer, b... (See More)

certainly.90
2017-02-01 23:05:33
alvaro.anton
2017-02-03 23:05:33
4 answers
150 views

Alpha 856 Flux For Wave Soldering

I know this is not SMT related but would anyone care to comment on Alpha 856 flux, good/bad experiences or any known issues? I did some samples recently using it and had excellent results. Information... (See More)

Chester
2017-02-01 22:53:10
Michel Froehlich
2017-02-03 22:53:10
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