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Category:PCB PCB Assembly Service
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.
I have an adhesive dispenser in my workcenter but I rarely use it. I've replaced this process with wavesolder pallets for bottom side PTH soldering, ocassionally gluing parts left exposed by the palle...(view more)
Yaser FathHi 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 ...(view more)
Martin BankyMy 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...(view more)
ClementCould 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 ...(view more)
BurgessI 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 ...(view more)
Burtonhttp://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...(view more)
ciostefA 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...(view more)
CarlMy 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...(view more)
tomasarizacrespoHi 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...(view more)
hgpDoes 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...(view more)
Francisco?Javier?García?Oncala
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