Electronics Forum | Mon Oct 26 16:01:33 EST 1998 | tom Gervascio
| | I need some info on how to stop the bridges I'm having on | | radial and axial parts that are in the same place on every board. I'm also having problems with sot-25 bridging. I'm using a Electrovert E-pak. I tried leveling the machine,solder pot
Electronics Forum | Mon Oct 12 08:07:45 EDT 1998 | Earl Moon
| I have datas to substain that a not wetting PCB ( the HAL oxided or not uniform in thickness )if soldered in reflow, it shows voids with X-Ray inspection.The voids are in side all the joints not only on the solder pads levell. | | Is there a techn
Electronics Forum | Tue Oct 06 17:17:44 EDT 1998 | Chrys
| We are experiencing poor wetting on various components placed on a PCB with En-Tek coating. Is anyone else experiencing simular problems ? We have the following questions: | | 1. How can the thickness of the En-tek coating be measured? | 2. Is En
Electronics Forum | Fri Sep 25 17:01:41 EDT 1998 | Steve Gregory
O-H-H-H-H-H-H-H Lawdy, lawdy... My babuh done left me... my dawg pee'd on my leg... my cornflakes are all poopy... don't make me hafta beg... I got's dem backplane blues, o-h-h-h-h-h lawdy..." OH! Hi there! Scared me fer a second...heheh....caugh
Electronics Forum | Tue Sep 01 10:16:10 EDT 1998 | Mike Cox
| | We are experiencing shorting on a BGA. The part has a 1mm pitch with a 196 I/O count. The problem seems to pop up without warning & disappear in the same manner. | | Our pad design is .020" diameter pads with .025" solder resist diameter. Th
Electronics Forum | Thu Sep 03 12:36:11 EDT 1998 | davef
| We have an unusual problem here and I'm reaching for more input if anyone can help??? We are an OEM manufacturer of PCA's. After a history of consistent quality designs, we have one small memory SIMM that is causing major headaches for us and our P
Electronics Forum | Mon Aug 03 20:10:52 EDT 1998 | Dave Kalen
| | | Recently at the Nepcon show I saw Panasonic KME placing 0201's, must say | | | with my olde eyes it was hard for me to even see the little buggers. Wondering if any of you are placing 0201's? what are the pros & cons, UPH, and what equipment
Electronics Forum | Wed Jun 10 18:40:00 EDT 1998 | Earl Moon
| I am looking for the Industry standards on vias. Are they required to be plated with solder or is copper plating enough? What about reliabilty with either one? Also, if tenting the via is required should it be copper plated or solder plated over
Electronics Forum | Thu Jun 18 15:04:48 EDT 1998 | smd
| | | We're running into problems with board damage (broken traces, solder shorts) due to pliers and other bizarre tools being used for depanelization. I need some sort of fixture for this. A delrin plate with a slot cut to the correct depth and wid
Electronics Forum | Wed May 27 13:42:08 EDT 1998 | Chrys
| R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recommen
