Electronics Forum | Tue Jun 05 08:40:46 EDT 2012 | rway
How deep is the indent? I would say as long as it is hitting nothing but net (the solder fill), your fine. Besides, you should notice indents on your solder fillets of components on the top-side as well. This is also expected and acceptable.
Electronics Forum | Thu Feb 03 20:24:02 EST 2022 | dwl
Do you see foot indentations in the paste? If the part is being blown after placement, you'll see the indentations in the paste. Another random thought; We had worn nozzles and the camera would sometimes see a spot where the paint wore off and read
Electronics Forum | Fri Jun 15 09:59:29 EDT 2001 | brownsj
We have recently had an incident where we feel that we have received a batch of cards from our assembly house which have by-passed their ICT operation. This has been determined by the lack of any indentations on the test pads from the sprung probes.
Electronics Forum | Mon Dec 06 08:20:47 EST 1999 | Bill
Mike - I had tried the "printer friendly version" before I sent my original message last Friday. The result may have been "printer friendly", but it wasn't very "reader friendly". All the words printed but the printout removed all the formatting so
Electronics Forum | Mon Dec 06 10:04:53 EST 1999 | Michael Bryant
Bill, Thanks for the tip. There was an error in the printer friendly page for forum postings. We have repaired the formatting problem, so it will retain all of the paragraphs and indents that the original message contains. If you have other observat
Electronics Forum | Tue Mar 04 20:47:48 EST 2008 | davef
Available on the web, JEDEC PUBLICATION 95, DESIGN GUIDE 4.14, Ball Grid Array Package (BGA), Figure 4.14-3, Note 10: A1 corner must be identified by chamfer, ink, mark, metalized markings, indentation or other feature of package body, lid or integra
Electronics Forum | Wed Jul 31 18:26:09 EDT 2013 | Jeff Kennedy
You might consider to contact a lab to Run a microindenter against a know good soft gold sample. The knoop value for the soft gold will be much lower than for hard gold. This would be reflected in the diameter measurement of the indented samples.Smal
Electronics Forum | Mon Jul 11 10:59:50 EDT 2016 | mnorthey
Other problems on previous machines that we have experienced is that there was not enough board support under the panel or that the panel thickness was inaccurate. Both situations can cause parts to bounce off the PCB or not to be pushed into the pas
Electronics Forum | Wed Oct 19 13:07:04 EDT 2016 | cyber_wolf
Are there indentations in the paste ? If there is, you have a couple things to look at off the top of my head:1) make sure your spool valves are shutting completely off. 2) make sure there is nothing sticky on your nozzles.3) Adjust the blow off/ "ki
Electronics Forum | Mon Jul 28 19:41:30 EDT 2003 | ryan1v
Hi mantis, If you don't mind. Can you give me your e-mail address(the mail service on smtnet can't attach file)? I can mail you the picture that I took from the monitor by digital camera. Maybe you can through the picture to understand what I mean "i
winsouce.jpg)
