Electronics Forum | Thu Jul 01 20:47:48 EDT 1999 | Scott McKee
I called a new customer today and told him that one of his parts on the proto boards (a capacitor with a polarity 'tit') was too long for the pads and the pads were small causing the end opposite of the "tit" to lift up. I suggested that the product
Electronics Forum | Tue Jun 08 10:22:41 EDT 1999 | John Thorup
| Anyone know a independent PCB inspection of BGA (X-Ray). We have several test boards that need BGA inspection. For detailed analysis try X-Tek in Santa Clara, Ca. 408/486-9620 or you can rent the RTX from Glenbrook Technologies for $950 per week 2
Electronics Forum | Mon Jun 07 10:57:31 EDT 1999 | Dave F
| | | | Where I can find some informations about repairing of SMT boards? | | | | | | | | Thanks | | | | | | | | Marcos | | | | | | | A first place to start is IPC's 7711 and 7721 encompasing repair, modification, and rework procedures. | | | |
Electronics Forum | Wed Jun 02 09:21:34 EDT 1999 | Dan Burnikel
Hello all I have a question concerning whether or not there is any special requirements to follow for assembly of a Polyimide PCB card. The customer has the following information on there documentation but since we have never built anything with Pol
Electronics Forum | Sun May 23 10:14:14 EDT 1999 | M Cox
| Has anyone had any experience or data using vibration during the reflow process. | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process worked v
Electronics Forum | Wed May 19 08:54:49 EDT 1999 | Wendy Casker
Hello, We have just received a contract to assemble some PCI daughter cards with the AMP Zpak style connectors. I am comfortable pressing connectors into backplanes, even double sided SMT, but would like any advice on designing a fixture to support
Electronics Forum | Tue Apr 06 12:55:01 EDT 1999 | Patrick O'Connor
0603's and 0402's are being damaged by the water wash post reflow. PCA's are 1" X 4" and 2" X 2" approximately. We've adjusted water pressure so that the top-down is higher than the bottom up. The baskets have a .5" mesh spacing. Some baskets h
Electronics Forum | Fri Apr 02 11:32:09 EST 1999 | Bob Willis
| Does anybody put QFP's on the backsides of boards? Can they be reflowed without falling off? Do you use adhesive? | Yes you can reflow them upside down either by Double Sided Reflow or by Simultanous Double Sided Reflow. Many Asian companies wav
Electronics Forum | Wed Mar 17 21:42:19 EST 1999 | Chuck Garth
We are presently aluminum wirebonding to gold plated lands. Our board manufacturer has been very inconsistient in the quality. It seems as though theey are over etched by about half the amount they should be. Can anyone give me the spec's that normal
Electronics Forum | Thu Mar 04 14:20:48 EST 1999 | Greg Valdman
| For as much as you can minimize bridging in these condition by changing board orientation, the only way to eliminate them may be to add debridging airknife tech to your system, or purchase a system that is fitted with this technology. We have been
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