Electronics Forum: assembler (Page 373 of 599)

Part of PCB silkscreen turns yellow brownish

Electronics Forum | Wed Sep 03 03:51:36 EDT 2014 | methewbell

Hello everyone, hope people will find this information useful... In UK you can find best pcbs at a great price from here your local source for PCB Manufacturing in UK with International Standards We manufacture high quality and reliable prototype P

best way to get power to PCB

Electronics Forum | Fri Sep 12 06:53:32 EDT 2014 | spoiltforchoice

Surely this depends on the scenario? Quite a few manufacturers feeders use spring contacts http://www.harwin.com/product-search/P20-0/ perhaps a bit like these, so your PCB would simply have pads to align with those contacts. Of course this relies o

MyData TP9-UFP : Optical Centering Calibration Question

Electronics Forum | Thu Oct 16 12:35:03 EDT 2014 | upguy

We have tpsys 1.5.18 on our TP9-UFP. We are attempting to run "Optical Centering Calibration". Following the instructions in the manual, we have centered the cross hairs on the camera frame, loaded a "base" board then the L-19-447 calibration boar

I am looking for an IPC spec for intentional PCB warp

Electronics Forum | Mon Dec 22 16:20:03 EST 2014 | warwolf

Basically the contract comes first, then the design drawings then IPC. if your costumer is asking you to bend the PCB then it becomes apart of the design drawings. as for looking for a cover, get it in writing that that's what they want you to do. I

How to Differentiate Class 3 and Class 2 products in terms of process

Electronics Forum | Tue Jan 06 13:26:47 EST 2015 | rgduval

I can't say I've ever heard that you shouldn't rework class 3 products. Since class 3 and class 2 are inherently inspection standards, rework might be required to meet class 3 specs. In the past, that has been an issue, as everyone wants to produce

Reverse Auction Sites - PCB Board manufacturing

Electronics Forum | Thu Jan 22 10:08:28 EST 2015 | rgduval

MFG.com used to do some PCB assembly, etc. I had thought about signing up with them a couple of lifetimes ago, but, found the cost too much for my small company. *sales alert* My current company is in the middle of launching our beta services...we'

stencil/printing machines for solder paste

Electronics Forum | Wed Feb 11 13:37:37 EST 2015 | cyber_wolf

I can buy approx 1000 stencils (cost includes next day delivery) for the price of a MY500. With a stencil, I can use WS paste and any other paste for that matter. The MY500 only jets certain paste from specific manufacturers. It is VERY VERY rare th

Questions you would ask if someone said they had a 3D printer for professional multi-layer PCBs?

Electronics Forum | Thu Feb 26 00:45:40 EST 2015 | fantasy728

We're developing a 3D printer for professional > multi-layer PCBs with 3-4 Mil. traces. What > concerns or questions would you have about such a > system? Are you from Voltera company? I just writed a blog about 3D printing of PCB in my website:

Encapsulating prior to Potting

Electronics Forum | Wed Feb 25 11:37:01 EST 2015 | jasonnova

We have a customer with an assembly that will require potting using 3M DP-270. There is a component that needs to be covered with potting material but it is considerably higher than the overall potting height of the cavity. The low viscosity of the

Dendritic Growth

Electronics Forum | Fri Mar 20 07:42:44 EDT 2015 | eezday

Dendrite growth is not typically associated with a flux reation but rather is a result of mechanical stress. The stress can be from any source including stress induced by other components, environment, plating or even bimetallics. Dendrites are most


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