Electronics Forum | Sat Nov 06 10:00:11 EST 1999 | Robert Oertner
If you are talking about reflowing surfacemount on the solder side of the assembly, that is accomplished by gluing the smt components to the bottom of the board. I recomend that you use a chip wave in conjuction with the normal wave to get the best r
Electronics Forum | Wed Nov 03 10:01:33 EST 1999 | jacob lacourse
does anyone know of a way to reflow thru hole components at the same time as smt components. i would really appreciate it someone could give me some information on this or maybee tell me where i can get some info on this application. thanks in advan
Electronics Forum | Wed Nov 03 10:10:05 EST 1999 | John Thorup
This has come up a number of times recently and a search for intrusive reflow or pin in hole reflow will reveal several threads. Also a good resource is the link below. From what has been stated on many of these forums and my own pre-production tes
Electronics Forum | Sat Oct 09 09:50:04 EDT 1999 | Ken Fong
Hi, We are using mixed technology in our PCBA. Would like to know whether there is any criteria governing/guiding the use of mixed technology in such aspects as: 1. Some SMDs cannot be used in some kind of PCB materials such as FR1? 2. Some SMDs are
Electronics Forum | Mon Oct 11 13:44:29 EDT 1999 | Dave F
Ken: Since Earl is no longer here, I guess I'll bite on this. Your questions are very broad and difficult to answer specifically. So, I'll give you broad and non-specific answers. | Hi, | | We are using mixed technology in our PCBA. Would like to
Electronics Forum | Fri Nov 07 08:12:24 EST 2003 | caldon
From my understanding (and I am not a metalurgist)Most Lead free solders can be intercahngeable.The alloy created should be stable. The issue is if you add Leaded solder to the joint. Obviously, research and testing is still pending. cal
Electronics Forum | Thu Nov 06 09:10:13 EST 2003 | successmani
hi, NEMI recommends separate solders for reflow sodlering and wave soldering. Reflow soldering- Sn-3.9Ag-0.7Cu Wave sodlering- Sn-0.7CU Wavesoldering- Sn-0.7Ag What will happen if a mixed technolgy PCb board containing both through hole and surface
Electronics Forum | Thu Oct 07 06:16:18 EDT 1999 | Ken Fong
Hi, We are using mixed technology in our PCBA. Would like to know whether there is any criteria governing/guiding the use of mixed technology in such aspects as: 1. Some SMDs cannot be used in some kind of PCB materials such as FR1? 2. Some SMDs are
Electronics Forum | Fri Jul 28 09:40:11 EDT 2006 | pavel_murtishev
Good afternoon, 1. Yes, most of all I suspect the components. Could you explain what does mean "reflothermal recipe"? Ramp-to-spike? Ramp-soak-spike? Something special? Thanks. 2. Void is really huge. This voiding differs from "standard" voiding ef
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