Category:PCB PCB Manufacturing

Group Administrators: 0 | Group Member: 269 | Group Threads: 427

PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

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Search Results: 427 Threads,43 Pages
4 answers
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Leadfree Trials

All, I would like to find out what trials everyone is carrying out when evaluating Leadfree Paste. (See More)

Barlow
2017-02-27 22:41:39
James
2017-03-01 22:41:39
4 answers
244 views

Quoting

I have inherited a spreadsheet used to quote labor for assembling pc boards. There are no instructions (of course) on how to use it and it seems to be lacking in several areas. So, I was wondering if ... (See More)

Adair
2017-02-27 22:29:10
info
2017-03-01 22:29:10
4 answers
264 views

support pins for double sided boards

Hi guys, I want to improve the set up of our printing machine(EKRA) especially on a 0.5mm thickness double sided boards.I find the support pins very time consuming,any advice? thanks. (See More)

paolo.costanzi
2017-02-27 22:16:22
alvaro.anton
2017-03-01 22:16:22
5 answers
296 views

PPS caps degrading value

we have recently been having trouble with our PPS capacitors on a couple of our boards. these boards are RoHs and the Parts are RoHs compliant. these boards first run through our reflow then a batch w... (See More)

saulius.devyzis
2017-02-27 21:51:04
quintendesmyter
2017-03-01 21:51:04
4 answers
260 views

Cleanliness: Cross Contamination of Flux

We've configured SMT and Wave lines such that each line can run either No-Clean and Water soluble process. As we are doing cleanliness study, an observation is there may be cross contamination when we... (See More)

selcukbircan
2017-02-27 21:41:02
Robin Moons
2017-03-01 21:41:02
4 answers
342 views

Checking reflow ovens

Is it common to check your reflow ovens proper operation with a separate system ? We check our ovens weekly with a DataPaq Surveyor. In 10 or so years of Data collection, I have never witnessed ... (See More)

Csaba Simon
2017-02-27 21:40:13
Luc Vercruysse
2017-03-01 21:40:13
4 answers
244 views

Materials Specifications for Thermal PCBs

When choosing materials, do you specify your thermal PCB needs? For instance, are you specifying temperature or are you selecting materials by brand name? (See More)

vampire
2017-02-27 19:19:55
john brooks
2017-03-01 19:19:55
4 answers
303 views

Aluminum and silica contamination

Hi All, I'm hoping there is a PCB expert or two hanging around. We're having some solderability issue on our boards. The finish is ENIG but it doesn't seem to be related to the finish process it... (See More)

OSCAR GOMEZ
2017-02-27 18:07:03
Spyros
2017-03-01 18:07:03
4 answers
244 views

Epoxy for printing

Hello, can anyone recommend a conductive epoxy for printing and 0402 cap attach? We have some short issues underneath the 0402 caps with our current epoxy. Any input is appreciated. Thanks a lot. (See More)

m.zandri
2017-02-27 17:25:59
Antonio Semeraro
2017-03-01 17:25:59
3 answers
327 views

Thickest internal copper layer?

What is the thickest internal copper layer we could get in a pcb? (See More)

a.spada
2017-02-27 17:01:20
Giampaolo Braga
2017-03-01 17:01:20
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Search Results: 427 Threads,43 Pages