Category:PCB Assembly PCB Assembly Service

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In assembly the bare board is populated with electronic components, called a "printed circuit board assembly" (PCBA). In through-hole technology, the component leads are inserted in holes surrounded by conductive pads; In surface-mount technology (SMT), the component is placed on the PCB so that the pins line up with the conductive pads or lands on the surfaces of the PCB.

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Search Results: 393 Threads,40 Pages
1 answers
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how heavy a part I can have on Bottom during top reflow

Does anybody know how I work out how heavy a part I can have on the bottom side of the board while reflowing top. Obviously there is a tie between the footprint in the paste and the surface tension of... (See More)

Michele Deligio
2017-03-01 02:57:19
Santiago Gonzalez
2017-03-03 02:57:19
1 answers
168 views

any other systems that I can compare to the StencilScan system?

We clean 40 - 50 stencils per day. I am having a problem with dry solder paste in some of the fine-pitch apertures. Manual inspection of every aperture is not feasible. I have checked out the St... (See More)

Ricardo Medda
2017-03-01 02:46:42
Arcadia Lis
2017-03-03 02:46:42
1 answers
48 views

The "VCO" stand for what ???

Can anyone tell me what is "VCO" free swing spray fluxer mean ??? The "VCO" stand for what ??? (See More)

Lebrun Bernard
2017-03-01 02:45:31
Abner
2017-03-03 02:45:31
1 answers
85 views

information on SMT process

I'm new in SMT, can anyone can tell me where can I get information on SMT process. Eg :- process flow, reflow profile ( what to look for ). I'm interested on SMT process. Can someone help........Thank... (See More)

Radu Seica
2017-03-01 02:33:08
Nick Jay
2017-03-03 02:21:37
1 answers
150 views

typical lifespan for a wave pallet

Hi all, I am trying to find some data that will show me the typical lifespan for a wave pallet. I realize that it depends on material used (Durapol, for instance) temp profile, etc and I HAVE ch... (See More)

giorgio.cannata
2017-03-01 02:28:25
Basil
2017-03-03 02:28:25
1 answers
120 views

QP-132E vs. FCM 2

Hello, Can someone help me, I want to setup a high speed SMT line. i have only 3 different products, and i have to change only once a week. I want to place 0402 and maybe later 0201. I think tha... (See More)

quintendesmyter
2017-03-01 02:27:56
David Russell
2017-03-03 02:27:56
1 answers
120 views

Does anyone have any experiance, good or bad, of any systems out there?

I would like to integrate all our maintenance procedures / shedules etc in one software package. Does anyone have any experiance, good or bad, of any systems out there? A rough idea of price wou... (See More)

ali.serbetci
2017-03-01 02:24:16
jeorge daniel
2017-03-03 02:24:16
1 answers
236 views

About OSP and SIR

We are using OSP coated boards and no-clean solder paste. In a few instances, we are seeing increased distortion in an audio circuit. Has anybody seen or heard of surface insulation resistance (SIR) d... (See More)

Cecil
2017-03-01 02:21:32
Buck
2017-03-03 02:21:32
1 answers
154 views

Need helps on fine pitch components

I am working with fine pitch components (15-20 mil) and having soldering problems and would appreciate some opinions. 1) How much of an effect does pad size have on bridging? 2) How much of an effect ... (See More)

giorgio.cannata
2017-03-01 02:18:02
j.rattanavongsa
2017-03-03 02:18:02
1 answers
148 views

Can anyone recommend potential vendors for SMT heat sinks?

We're looking at a new assembly that will require an SMT heat sink. Can anyone recommend potential vendors for this part? It is new to us, so we're having to start from scratch. Thanks (See More)

Sergey Alexandrovich
2017-03-01 02:14:26
frmendozat
2017-03-03 02:14:26
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