Electronics Forum | Fri Jun 18 13:30:01 EDT 1999 | John Thorup
| A user of one of our components exceeded the floor life of some plastic BGA components. They did do a pre-bake prior to SMT reflow but only 72 hrs at 40C and not the recommended 12 hours at 125C. I've recommended accoustic microscopy to look for po
Electronics Forum | Tue Jun 22 22:18:02 EDT 1999 | armin
Hi Graham, can u send me some conformal coating guidelines. i'm also interested ! my e-mail add is armin.tan@setec.com.au thanks | | Could anyone please give me any information or obtainable references concerning proper guidelines for the applica
Electronics Forum | Mon May 10 13:55:22 EDT 1999 | Deon Nungaray
| Can anyone tell me what the recommended "typical" cooling rates are after reflow? Are the cooling rates considered as critical to control as the heating rates and why/why not? | I do not think there is a "typical" post reflow cooling rate out ther
Electronics Forum | Sat May 01 10:04:35 EDT 1999 | Bob Willis
| I would like to know if there is any good training for Hand Soldering, Component Identification, Wave Soldering, and so on. | | I have seen two diffenent tapes and they were short and poorly done, I would like to buy some if I knew it had some goo
Electronics Forum | Wed Apr 28 04:26:24 EDT 1999 | Nigel Burtt
| Hello all, | | I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area
Electronics Forum | Thu Apr 22 16:15:26 EDT 1999 | Steve Gregory
| Could anyone recommend a good depanization tool for a PCMCIA | panel which has breakaways. For several reasons, we decided to | go with this approach rather than scoring and I'm less than | pleased with the punch presses we currently use. Any h
Electronics Forum | Thu Apr 15 14:56:43 EDT 1999 | Dave F
| Can anyone suggest or identifiy standards which tabulate the following: | | Conductor width, cross sectional and area conductor thickness for PCB's carrying up to 70 Amps? | Barry: Check: 1 Printed Circuits Handbook (Clyde F. Coombs) 2 Microel
Electronics Forum | Sun Mar 21 06:27:45 EST 1999 | Bob Willis
| Hi Folks, | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the botto
Electronics Forum | Sat Mar 13 10:32:16 EST 1999 | Steve Gregory
Good morning fellow SMTnetters, Upon opening my email this morning, I had two emails from the following email address: evcons@ms3.hinet.net with "Evergreen PCB" in the subject box and it had a file attachment called Happy99.exe...I suppose whoe
Electronics Forum | Thu Jan 14 19:03:03 EST 1999 | Earl Moon
| | For the engineers who enjoyed the last two quizs I put on my web page here are two more. One on printed board manufacture and one on rework and repair of surface mount boards. Its a bit of fun but I feel that on line training is coming and is the
IPC is the trade association for the printed wiring board and electronics assembly industries.
Training Provider / Events Organizer / Association / Non-Profit
3000 Lakeside Drive, 309 S
Bannockburn, IL USA
Phone: 847-615-7100
.gif)
