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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What kind of coating is appropriate for lifted lead

Hi all, a lifted lead (FP 0,5mm pitch) with a wire soldered to it needs proper protection against tear off. What kind of coating is appropriate, should be dispensable and fast drying. Thanks in ... (See More)

Martin Banky
2017-03-01 04:39:43
Bowen
2017-03-03 04:39:43
1 answers
238 views

In-house SMT line or Out

My company is in the process of determining whether to setup an in-house SMT line. We presently do thru hole assembly and subcontract SMT boards which are growing in number. The economics are not my m... (See More)

Clement
2017-03-01 04:32:12
Sergio Sota Ortega
2017-03-03 04:32:12
1 answers
223 views

articles or studies about market or player performance in the SMT/through hole industry

Could some of you give me ideas where I could find articles or studies about market or player performance in the SMT/through hole industry (specifically, OEM's for the automotive industry)? I am part ... (See More)

Burgess
2017-03-01 04:03:28
Guy Ovadia
2017-03-03 04:03:28
1 answers
238 views

Helps for soldering to thru-hole lead to ground plane

I have 15 very large backplanes (.156" thick Au plating) that the ground pins of a high density thru-hole connector were not thermal relieved in the artwork. As a result we are unable to solder the 8 ... (See More)

Burton
2017-03-01 03:59:37
david.rambeau.tea
2017-03-03 03:59:37
1 answers
130 views

Any clues? no-clean vs. water soluble

http://www.smtnet.com/electronicsforum/view_message.cfm?message=9584& John Thorup touched on some applications where no-clean fluxes could be a bad idea. I'm looking for some more detailed i... (See More)

ciostef
2017-03-01 03:46:39
sigibit
2017-03-03 03:46:39
1 answers
228 views

Tin-oxide deposits

A few weeks back we experienced a wave process problem where we received deposits on our pcb. At first we though it was dedrites but after an outside analysis of the deposits they were found to be tin... (See More)

Carl
2017-03-01 03:41:15
Florencia
2017-03-03 03:41:15
1 answers
162 views

SMT solder training class in the New York metropolitan area

My company is planning on utilizing SMT on a new product line. We would like to have several of our production people trained on SMT solder rework and repair. Can anyone suggest an appropriate trainin... (See More)

tomasarizacrespo
2017-03-01 03:25:25
christian.holmberg
2017-03-03 03:25:25
1 answers
158 views

White residue problem

Hi all I just got feedback from my customer about "White residue problem" around solder joints with manaul soldered connector at customer site and included the failure analysis report that there is re... (See More)

hgp
2017-03-01 03:08:14
Andreas Jonsson
2017-03-03 03:08:14
1 answers
91 views

the cause of solder bumps

Does anyone know the cause(s) of solder flowing through a via to the other side of board during reflow causing solder bumps on opposite side? Is this mainly a design issue or could it be process relat... (See More)

Francisco
2017-03-01 03:01:52
enrico.beccati
2017-03-03 03:01:52
1 answers
155 views

reduce changeover times (SMT double sided)

I am working on a projet to reduce changeover times on our lines from product to product any ideas to minize time..eg feeders, kitting, etc. appreciate any help guys (See More)

Martin Banky
2017-03-01 02:58:07
Davide Fontana
2017-03-03 02:58:07
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