Electronics Forum: tri (Page 821 of 944)

Re: Warpage at Wave Soldering Stage

Electronics Forum | Mon Jun 14 09:23:57 EDT 1999 | C.K.

| 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

Re: Warpage at Wave Soldering Stage

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

Re: KIC thermal profiler

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-

Re: Criterion of PCBA bending degree

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

Re: Criterion of PCBA bending degree

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'

Re: Criterion of PCBA bending degree

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

Re: BGA Rework

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

Re: Repair of SMT boards

Electronics Forum | Sat Jun 05 07:23:20 EDT 1999 | Dave F

| Where I can find some informations about repairing of SMT boards? | | Thanks | | Marcos | Marcos: Ya know, repair is that "dirty little" part of the business that all try to ignore, don't want to fund properly, and creats more angst than propa

Re: Thanks.

Electronics Forum | Mon Jun 07 11:10:56 EDT 1999 | Brian Wycoff

| | | | | | | Geez, those test guys are always whining about via holes, aren't they? I even had one test guy go over to our finals/add-on department and instruct everone to look for unfilled vias and fill them by hand! Without consulting the area

ESD: it's not a deoderant spray!

Electronics Forum | Mon Jun 07 15:48:14 EDT 1999 | Tim

Thanks to all for the input. Earl's was the wackiest, what with the mention of "hollywierd" and " safe sex." Just to set the record straight, I never said we had no process controls. What I said was that I am in the middle. My factory uses one ty


tri searches for Companies, Equipment, Machines, Suppliers & Information

ISVI High Resolution Fast Speed Industrial Cameras

High Throughput Reflow Oven
Win Source Online Electronic parts

World's Best Reflow Oven Customizable for Unique Applications
Circuit Board, PCB Assembly & electronics manufacturing service provider

We offer SMT Nozzles, feeders and spare parts globally. Find out more
design with ease with Win Source obselete parts and supplies

"Heller Korea"