Electronics Forum | Wed May 13 16:39:41 EDT 1998 | Herb Pabes
| | Hello. | | 1 Could anyone tell me the range of temperature | | to solder MI components? The process eng is using 400~500 | | degrees Celcius!! For standard 0805/0603 chips & TH components & | | also to touch up on ICs. What
Electronics Forum | Fri May 01 18:01:04 EDT 1998 | Peter Soland
Has anyone experienced profile related microbridging under 0402 capacitors in the past. We use a Sn46Pb46Bi8 paste, 178 degree C L.T.. Double sided board, 2 per panel, 6.5" x 5", convection oven. Profile data; thermalcouples @ components showing 200
Electronics Forum | Fri May 01 22:32:38 EDT 1998 | Jon Medernach
A pad design shaped like Home Plate will eliminate the problem, You can get info from Create Group at Panasonic FA They have the patent on this style pad and the most experience working with the 0402 and now have qualified the 0201 Caps from Murata
Electronics Forum | Fri Apr 24 20:33:06 EDT 1998 | D.Lange
| Looking for anyone who has experience with high temperature soldering. Need to determine why solder joints are failing. Thermocycling of unit is -40C to +140C, 30 minute dwell time, 10 sec. transition time | Your help is appreciated | Ed Holton |
Electronics Forum | Tue Apr 28 10:09:59 EDT 1998 | Scott Davies
| | Where can I find pliers to accept a round standoff? | Scott: Two ideas come to mind: | 1. change the stand-off round to to a hex shape | 2. if you must use the round shape, go to Sears, buy a "robogrip" and a pack of the platic inserts that fi
Electronics Forum | Fri Apr 24 13:33:25 EDT 1998 | Scott Davies
I inherited a DI system that's um...not in good shape. I would be forever indebted to anyone who could help me with several problems related to this. Flow rate 3.5-5GPM Incoming pressure:50PSI Application: deionized water provided to Electrovert H-4
Electronics Forum | Tue Apr 21 06:23:37 EDT 1998 | Michael Nedley
I teach Industrial Electronics courses at a 2 year College. We use Analog/Digital trainers with standard Breadboards for full size IC's. My problem is this, Alot of people in the manufacturing Industry have been gracious enough to send samples o
Electronics Forum | Mon Apr 20 14:18:49 EDT 1998 | Martin Plourde
Should this Forum be used for unsolicited sales pitches by new and used equip. vendors? | I have 3 A.P.EChipmaster SMD-1000 rework stations for | sale.These are still being sold new. They are in like | new condition. I also have 2 Champ SMD-1500 Pr
Electronics Forum | Mon Mar 30 12:51:40 EST 1998 | Justin Medernach
| Hi | Anybody got advice on the online storage of sensitive ICs. ie dessicator cabinets with Nitrogen or dry air. I am looking at Nitrogen, but it is a costlty option. Appreciate any inputs. | Rgds | Liam Liam, Depending on the amount you need store
Electronics Forum | Wed Mar 25 17:11:20 EST 1998 | Mcox
| We are having some problems with "drawbridging" on 0805 film capacitors. | We have already reduced the pad width from .050" to .040" based on input | from vendor. Defects appear to be random as far as location on the PWB and direction | of placem
