Electronics Forum | Wed Sep 03 11:09:23 EDT 2003 | severs
This one certainly came to my mind... No doubt this one will go on record as the single biggest technology change in our industry in a decade or more. In fact, have you read this article where Celestica repsonds to this as being a greater challenge t
Electronics Forum | Tue Sep 09 11:41:19 EDT 2003 | slthomas
You can always add a second level of control. We used a document that lists all configuration codes that reflected these types of changed. For instance, code 001 reflects Dwg. Rev. A, and ECO A1 and DVR 4234. Code 002 reflects Dwg. Rev. A, and ECOs
Electronics Forum | Thu Sep 11 16:50:18 EDT 2003 | davef
Sure it's conceivable that thin HASL can cause tombstoning. Harkening back to the ample discussion in the fine SMTnet Archives, tombstoning is caused by an imbalance in solder surface tension between the two pads of SMT component. The source of thi
Electronics Forum | Tue Sep 09 20:32:10 EDT 2003 | davef
The maximum ratio of gold weight to solder alloy weight can be calculated, to help prevent a problem from excessive gold-tin intermetallic compound (i.e., AuSn4). For the equation and its derivation, please refer to "The Use of Capillary Action Measu
Electronics Forum | Thu Sep 11 15:56:33 EDT 2003 | Ashok Dhawan
We observed a manufacturing problem due to innovation in LED technology. The most new LED products are colorless and lights up in different colors only when powered. This is great feature , however, it has created new problem for manufacturers who
Electronics Forum | Fri Sep 19 11:39:38 EDT 2003 | joeherz
We have recently started building a new assembly that is exhibiting some strange behavior. We are seeing what look like blow holes in wave soldered joints. When the joints are touched up, the solder in the barrel will actually bubble up from the ho
Electronics Forum | Thu Jan 06 19:05:42 EST 2005 | JB
I believe all Contact machines are JUNK. I have seen all there models. They are all under developed and do not even come close to what the company claims they can do. They keep advertising these new machines and I have heard nothing but night mares w
Electronics Forum | Mon Sep 22 16:09:15 EDT 2003 | Joe
Help Please! A friend of mine works for this company (a novice in the hardware world), they are thinking about covering their PCBAs with Epoxy (don't know what) so to prevent hackers from damaging their PCBAs - they claim it is costing them too much
Electronics Forum | Mon Sep 22 16:10:35 EDT 2003 | Joe
Help Please! A friend of mine works for this company (a novice in the hardware world), they are thinking about covering their PCBAs with Epoxy (don't know what) so to prevent hackers from damaging their PCBAs - they claim it is costing them too much
Electronics Forum | Fri Sep 26 14:03:57 EDT 2003 | lysik
Good Idea. I think there are many Bad apple used equipment dealers as well. We should track them as well. Every bad apple needs to be dealt with. OEM must make money to survive and support systems. But I must tell you for example I have found many th
