Electronics Forum | Mon Apr 26 12:03:22 EDT 1999 | Justin Medernach
| Help Guys!! | | We sub con assemble small to medium batch runs of mixed tech boards inc fine pitch BGA o4o2 etc. | | As usual we get all the crap to build that no-one else wants, however lately some customers are getting a little more serious wit
Electronics Forum | Wed Apr 21 21:47:46 EDT 1999 | Steve Gregory
| HELP | I need any information on how to purchase "Metal baskets" | (dimensions 3" height x 18" width and length) for our HUGE cleaning machine for our PCBA's. Pleas eif anybody could give me sales info, or company information it would be greatly a
Electronics Forum | Thu Sep 17 12:10:57 EDT 1998 | Steve Gregory
| | Hi Folks, | | Need to draw upon the vast expertise in this forum... | | Whenever you fill a new wave solder machine with fresh bar solder, it seems to produce more than the normal amount of dross for a few weeks. I always understood this to be t
Electronics Forum | Fri Sep 18 09:58:27 EDT 1998 | Chrys
| | | | Hi Folks, | | | Need to draw upon the vast expertise in this forum... | | | Whenever you fill a new wave solder machine with fresh bar solder, it seems to produce more than the normal amount of dross for a few weeks. I always understood thi
Electronics Forum | Tue Apr 21 20:58:11 EDT 1998 | Steve Gregory
Mike wrote: ...I did buy "Surfboards" built for this purpose but they averaged about $5.oo a piece, and when your running 20 trainers, and they still have to be soldered in place. $5 a test is kinda high when evaluating a 32 cent chip...(snip) Hi
Electronics Forum | Mon May 20 21:29:52 EDT 2002 | davef
Q1: Are we saying then that IMC can occur at the solder / Cu pad join on the PCB when finished assembled? A1: Yes, but in a broader context I am saying that when someone solders correctly, they form an IMC. Q2: Will the tin diffuse with the Cu over
Electronics Forum | Mon Mar 03 17:42:35 EST 2008 | tonyamenson
I stripped the entire board because I had to have the boards troubleshot. Had a high failure rate from the field. The board coating was applied about 5 months ago. I was told by my people anything past 3 days and you will need this type of stripper
Electronics Forum | Wed Dec 08 11:26:04 EST 2010 | davef
3 Printer Area Conditions * As stated earlier, heat and humidity are damaging to solder paste. Ideally, the printing area should be maintained at 40% - 50% relative humidity and 72°- 80°F (22-26°C). In addition, no air (cool or warm) should blow dire
Electronics Forum | Mon Mar 09 15:03:41 EDT 2020 | davef
snip from https://hackaday.com/2020/03/09/pcb-finishes-hack-chat PCB FINISHES HACK CHAT No comments by: Dan Maloney March 9, 2020 Join us on Wednesday, March 11 at noon Pacific for the PCB Finishes Hack Chat [https://hackaday.io/event/169956-pcb-
Electronics Forum | Fri Jul 10 07:34:00 EDT 2020 | elijah
From the poor bonding strength of the board, the surface quality problems of the board are divided into: 1. The cleanliness of the board surface; 2. The problem of micro graphite (or surface energy) on the surface. PCB circuit board proofing Youke bo
