Electronics Forum | Mon Jan 22 22:37:27 EST 2001 | davef
50 ppm oxygen was on half joints reflowed in air. 3d Human factors PCB pad cleanliness: Handling of bare board pads creates excessive voiding. Print rejection: Cleaning of OSP pads with acetone or isopropanol increases voiding.
Electronics Forum | Fri Apr 13 18:11:07 EDT 2001 | Pat Copeland
Does anyone out there use this chip. I have been searching the world for them. If you can spare any at all, please e-mail me. If not, where are the best sites to search for excess smt components. Thanks Pat Copeland
Electronics Forum | Mon Jun 18 11:06:31 EDT 2001 | Gil Zweig
In-line systems are effective in detecting the obvious defects such as solder bridges, missing balls and excessive solder voids. They may not be as effective in detecting the subtle changes in solder bond shapes (signatures) indicating loss or chang
Electronics Forum | Tue Jun 19 18:14:04 EDT 2001 | davef
So when xray inspection time becomes excessive, what things can happen? What are the warning signs that inspection times could be getting longer than they should be?
Electronics Forum | Fri Jan 07 10:32:21 EST 2000 | Bill Copperthwaite
I have used the PC-2500 from V-TEK and have encountered no problems. It has a motorised reel handling system and can handle various tape pitches and reel sizes.It has an accuracy in excess of 99%.Check out their website below. Billc
Electronics Forum | Fri Feb 05 03:10:05 EST 1999 | NAK
| | who do you like to go to as a source of | | caps, resistors, ICs, DIPs, connectors | | | | I'm looking for distributors. | | | | | | smt and pth | | There is a database of excess, surplus and obsolete components available at godd prices, at w
Electronics Forum | Fri Jan 22 14:24:44 EST 1999 | Dave F
| I was just wondering what solutions are out there for dry storage. Our basic need is to be able to store boards that have been baked and need to remain moisture free for up to a week. | Michael: Let's take a different angle on this. Why not ha
Electronics Forum | Fri Jan 22 17:38:07 EST 1999 | Michael Larsen
| | I was just wondering what solutions are out there for dry storage. Our basic need is to be able to store boards that have been baked and need to remain moisture free for up to a week. | | | Michael: Let's take a different angle on this. Why
Electronics Forum | Fri Jan 08 02:27:00 EST 1999 | Kwang-Seong Choi
HI! I am a package engineer in Korea. I have some reasons to desolder excessive solder at the lead of TSOP and TSOJ after removing them from the board. The way with solder wick is too time-consuming and depends on the operator. Does anyone know the
Electronics Forum | Wed Dec 02 05:09:18 EST 1998 | Jacqueline Coia
Hi, I'm looking for a small batch convection oven that will replace the dryer section of a batch ultrasonic cleaning machine to dry off excessive water from washed PCB's, any suggestions for particular suppliers, will be appreciated. Jack
