PCB Assembly Service Group - Page 16

Group Administrators: 1 | Group Member: 279 | Group Threads: 384

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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697 views

SN100C for reflow

I'm testing SN100C, and with our 5 zone oven I seem to be able to fix one issue by changing the profile, but that might introduce a new problem. Some profiles work very well on most components, but ha...(view more)

David Soares

2017/2/28 16:27:19

3 comments

810 views

screen thickness for smaller components (sod523 / sot23 / 0603)

Is there a different thickness of screens we should be using for smaller components (sod523 / sot23 / 0603) or new pastes? Thanks.(view more)

pmaggi

2017/2/28 16:26:01

4 comments

772 views

error occurs at the start of the insertion pattern, Mydata TP-11

We have a TP-11 and this error occurs at the start of the insertion pattern hence we can't run. Any suggestions for correction? Thanks(view more)

Spyros

2017/2/28 16:24:50

4 comments

1040 views

SMT solder reflow clamps, pushers and pullers

Hi guys, I'm looking for some tooling parts and I hope you can point me in the right direction. We design basic in house reflow Carriers to surport boards during reflow. I would like to ad...(view more)

tomasarizacrespo

2017/2/28 16:20:33

4 comments

1334 views

mitigating the pure tin issues for 0402/0201

I have heard there is a process for mitigating the pure tin issues for 0402/0201 size parts by the use of SN63/PB37 solder print process. Is this true and does anyone have the data to back this up?(view more)

George Blat

2017/2/28 16:20:02

4 comments

808 views

SMD LEDs stick

We are mounting 3528 package LEds with pick & place machine.The problem is , nozzle picks up the LED , but it stick to the nozzle & not placed. Then it gives error in the next cycle. Can anybo...(view more)

Allen Litton

2017/2/28 16:18:26

3 comments

919 views

generate IEEE 802.15.4 protocol signals using SMIQ03B?

Hallo, Can anybody help me how can I generate IEEE 802.15.4 protocol signals using SMIQ03B? I want to give this signal to SmartRF04EB board for CC2530 PER Testing. Thank You.(view more)

dioannis

2017/2/28 16:16:37

0 comments

866 views

avoid risk when buy used machine?

hello everybody have you ever expericenced the risk when buy used smt machine from outside your country? Have you ever got the machine whose performance or function are not same as the des...(view more)

Martin Banky

2017/2/28 16:13:21

4 comments

747 views

Anti Magnetic Environment

I recently heard an interesting requirement and wanted to poll the fine members of this forum for what their interpretation would be, and if any standard would exist: "Maintain the bill of material in...(view more)

Julian

2017/2/28 16:09:13

4 comments

933 views

ESD protection

There is a battle brewing over a new policy with long hair and ESD protection in our facility. I'm not finding a lot of evidence to support the position. Any info you all can provide on the subject wo...(view more)

Chad

2017/2/28 16:09:02

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