Electronics Forum | Fri May 21 13:57:02 EDT 1999 | KA Stillings
| | hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | | | your help is greatly appreciated...thanks | | | | omat marasigan | | | |
Electronics Forum | Wed Apr 21 02:28:39 EDT 1999 | Jeff Sanchez
| Jeez, | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks for the future X possibility. | | OK! Let's keep this thing technical. Let us not dwell on the emotionally charged moment of my return. However,
Electronics Forum | Mon Apr 12 23:53:24 EDT 1999 | Dean
| Hey guys, | We are opening our new shop in a hotel and would like to hear your inputs. We will be providing contract manufacturing as well as equipment sales from this location. It will be mostly for the surface mount side of our business
Electronics Forum | Fri Mar 19 08:51:57 EST 1999 | Justin Medernach
| | | After rmoving a BGA (plastic)to correct unexplained shorts | | | I installed another BGA using flux only. | | | Checking on an X Ray machine and found two shorts. | | | | | | can anyone give a good explenation ? | | | | | | Thanks | | | | |
Electronics Forum | Wed Dec 30 16:04:15 EST 1998 | former co-worker of yours
| I need advice on a pad design which several other engineers whom I work with would like to try. I think it is an utterly crazy but I can't seem to convince them differently. | | My current 0402 chip pad sizes on alumina and FR4 substrates are .
Electronics Forum | Tue Dec 08 16:53:41 EST 1998 | Ryan Jennens
Hey there Dave! We used to use a batch cleaner when we used water-clean paste. It was similar to a dishwasher, except that it had a digital menu for entering the number of wash cycles, water temp., amount of saponifier (we just used DI water),
Electronics Forum | Tue Oct 27 10:10:21 EST 1998 | Chrys
| | | | | | What are the key feature to look for in buying a profiling product for Reflow ? | | | | | | | | Who's is the best and how much do these systems cost ? | | | | | | | | Thanks in advance. | | | | | | | | Hi Mark, | | | | | | I am curr
Electronics Forum | Tue Jul 28 02:22:59 EDT 1998 | Bob Willis
Here is what I would do faced with your problem. First I would profile a similar board or use an existing profile. From there I would place the dummy device on the surface of a sample board with a thin thermocouple soldered to the board surface under
Electronics Forum | Mon Jun 08 15:01:02 EDT 1998 | D.Lange
| I work QA at an OEM in Alberta, Canada. I saw earlier posts on the smtnet regarding PCB haloing criteria. I am currently in a dispute with my PCB vendor over the acceptability of haloing (delamination) around plated through holes and vias on a lot
Electronics Forum | Wed May 20 07:24:18 EDT 1998 | Earl Moon
| Hey there ya'll... | I was reading the messages from Earl asking where he could upload some articles he wrote, and I was asked how one goes about putting a image in the messages here... | Ya'll see down at the bottom where it says; "Option
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