PCB Industry Information Group - Page 6

Category:PCB PCB Industry Information

Group Administrators: 1 | Group Member: 167 | Group Threads: 368

This Group provides continually the latest information on the most recent trends, forecasts and analysis in the printed circuit board space.

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5 comments

1033 views

standard FR-4 material for ROHS

Is anyone using standard FR-4 material for ROHS? All I have ever seen to indicate the need to go to a high tg/td board is that the material may fail after repeted rework. I have a customer that is try...(view more)

luizleo2001

2017/2/28 21:03:42

5 comments

917 views

suggestions for Quoting software

I need suggestions for Quoting software for a contract electronics manufacturing service. I want something detailed if possible that allows breaking down every step involved and multiple labor rates d...(view more)

giorgio.cannata

2017/2/28 21:00:00

5 comments

1104 views

aperture design for a castellated lead

Is anyone able to help me out on a typical aperture design for a castellated lead.(view more)

joerg.friedrichs

2017/2/28 20:34:00

5 comments

861 views

any good source for inspection microscopes?

Does anyone have a good source for inspection microscopes? I want something with a lot of zoom. I want to be able to zoom in on one 0603 resitor joint. I am not sure what the magnification on that wou...(view more)

George Blat

2017/2/28 20:22:23

5 comments

878 views

Leaded Or Unleaded?

It's prudent to rattle on about proper hygene and safe handling to remind our troop that they need to be careful not to take-on lead through hand-to-mouth action. What steps do you take to assure that...(view more)

sam adnan

2017/2/28 20:00:35

4 comments

939 views

Latent shorts on QFN package

I'm having shorts appear on my QFN packages between pins, usually only after a week or so of power-on operation. The shorts are 1K and slowly down to hard shorts over time. Typically a defective part ...(view more)

Jorge Arizaga

2017/2/28 18:45:31

3 comments

904 views

real-life experience with DEK248 printer

Is there anyone that wants to share real-life experience with DEK248 printer (with DekAlign, if possible)? Thanks in advance.(view more)

Waelson Negreiros

2017/2/28 18:01:12

4 comments

770 views

Mounting 0402 chips

Hi We found the misalignment sometime during SMT 0402chips. So, we made the pick up speed a bit slower then the condition was better however it was time-consuming and delay shipment. We r using ...(view more)

ventas

2017/2/28 17:40:04

2 comments

2724 views

Incredible! Complete my PCB ordering within 1 minute

Nowadays, in the PCB industry, manufacturers gradually give up the traditional ordering method and apply online PCB order system to make it more efficient and save times for customers. Some famous PCB...(view more)

Eng.Mohamed

2017/2/28 16:09:28

4 comments

1143 views

What is the maximum PCB shelf life for double side PCBs after first reflow?

What is the maximum PCB shelf life for double side PCBs after first reflow? I mean, after assembly bottom side, how long can I keep the PCB without solder paste waiting for the second reflow? (Conside...(view more)

IngeniApp

2017/2/28 15:00:10

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