Electronics Forum: /03 (Page 834 of 1347)

Stencil Inspection

Electronics Forum | Thu Mar 17 23:17:40 EDT 2011 | lenne

We inspect incoming stencils to see if they are > labelled properly and sometimes check the width > of special apertures and that's about it. We > want to kick it up a notch. What are others out > there doing to inpect incoming stencils? Is >

Stencil Inspection

Electronics Forum | Mon Mar 21 15:21:46 EDT 2011 | dyoungquist

At incoming inspection we visually check the stencil against the gerber file (called up on the computer monitor) used to produce it. This is mostly to check that they mirrored the bottom side correctly although we check the top side as well. That i

Stencil Inspection

Electronics Forum | Mon Mar 21 15:37:22 EDT 2011 | remullis

We really don't go over board with stencil inspection either. I normally send my files to the vendor, they size and provide me with a check plot. I will verify everthing is oriented correctly and panel fiducials are in place. That's it. I don't know

Nitrogen for reflow

Electronics Forum | Fri Mar 18 15:46:14 EDT 2011 | remullis

I agree with the comments below. I see no difference with lead free. Across five reflow ovens our external nitrogen tank was about 14' tall and 7' round. I am with a different company now due to the great ole american "lets send product out of the co

Insulator against Solder pins

Electronics Forum | Fri Mar 18 16:55:08 EDT 2011 | asksmt

Hi All, i am soldering battery to the back side of PCB and there are some TH Pins comes right BELOW the battery body. Can you please suggest any kind of insulating material / tape which i can use and the insulator between solder pins and battery bod

Mirtec Program List

Electronics Forum | Mon Mar 21 09:50:06 EDT 2011 | mmjm_1099

All, Is there a way to extract a list of all programs that have been made on the Mirtec machines? Only thing I can see is opening the menu and having to handwrite every program and make an excel sheet. We would like to extract this list so we know ea

Mirtec Program List

Electronics Forum | Fri Mar 25 15:14:09 EDT 2011 | ghenning

Create an ODBC connection to the Firebird DB. Then query the RESULT_HEADER table with something like: SELECT RESULT_HEADER.MACHINE_NAME, RESULT_HEADER.MODEL_NAME FROM RESULT_HEADER GROUP BY RESULT_HEADER.MACHINE_NAME, RESULT_HEADER.MODEL_NAME ORDER

Solder balls on Ceramic

Electronics Forum | Fri Mar 25 05:33:18 EDT 2011 | Nigel, RAKON

We have the occasional solder fine but the main issue I have is with small - large balls of solder around an 0402 capacitor. Our LF paste data sheet states a %rH of 25 - 70, I have recorded an average for March of 14.9 - 38.5 %rH. Every other requirm

Stencil Washer Waste Disposal

Electronics Forum | Mon Mar 21 15:44:12 EDT 2011 | ldavis

Kevin, Not sure about Florida but in Colorado we just transfer the wash solution to a drum and then dispose of it as haz.waste because of the lead. Currently costs about $200/55 gallon drum and we change the solution monthly. Another option would

Stencil Washer Waste Disposal

Electronics Forum | Mon Mar 21 16:08:12 EDT 2011 | crystek1

Thank you for your comments. We are leaning toward storage in a drum until we arrange pickup also. Now the question is, with all the environmental regulations out there what kind of drum do we need to get so the hauler can take the waste away? Tha


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