Electronics Forum | Wed Jun 16 07:46:45 EDT 1999 | Glynn Technologies and Manufacturing
| We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centre
Electronics Forum | Thu Jun 17 10:25:43 EDT 1999 | Brian Wycoff
| | We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centr
Electronics Forum | Tue Jul 20 14:17:34 EDT 1999 | Curtis
| We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centre
Electronics Forum | Sat Jun 12 10:23:18 EDT 1999 | Dean
| How are you inspecting pcbs post-reflow, are you inspecting all or sampling. The type of assembly involved would be mainly chip components with a mix of actives and a few 25mil and under pitch. | If you sample what are your fault rates looking lik
Electronics Forum | Thu Jun 17 06:04:48 EDT 1999 | Ron G. Belliard, EET
RE: Cracked Capacitors: I have worked for 3 1/2 yrs with SMTA and have found a similar problem with capacitors. Throughout my studies of the problem, I have discovered three contributing factors that caused this cracking either individually or in co
Electronics Forum | Thu Jun 10 15:46:56 EDT 1999 | Chrys Shea
| Does anyone out there involved in RF manufacture have any experience with the KIC Slim-Kic profiler? Do you find any interference problems between the RF transmissions and the testing of your products. We build primarily high-freq stuff like point-
Electronics Forum | Thu Jun 10 12:05:22 EDT 1999 | Deon Nungaray
| | Hello all! | | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's th
Electronics Forum | Fri Jun 11 01:40:40 EDT 1999 | Gyver
| | | Hello all! | | | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it'
Electronics Forum | Fri Jun 11 03:39:26 EDT 1999 | Gyver
| | | | Hello all! | | | | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt
Electronics Forum | Wed Jun 09 15:54:16 EDT 1999 | Glenn Robertson
| | Does anyone have thoughts on BGA rework. We now use the OK BGA 3000 and now am considering an Infrared machine. Any thoughts? | | | I've used Pace, Conceptronic and, now, SRT machines. Bottom side IR is OK. Better thermal balance is achieved wit
