Electronics Forum | Sat Sep 25 09:00:44 EDT 1999 | John
| I am developing a DOE for evaluating SMT adhesives. I would like to evaluate 3 different vendor dispensing adhesives. I currently have the Heraeus PD955M and the Loctite 3609 and 3618 selected for evaluation. I would like to add another manuf
Electronics Forum | Thu Sep 02 14:42:52 EDT 1999 | JohnW
| We are assembling double side pcs reflowing (smt) on top and by wave on bottom. | After first step (smt) we dispense glue on the bottom side putting one or two glue dots under small components and we cure in oven before wave. | After wave solderin
Electronics Forum | Fri May 21 04:03:46 EDT 1999 | Joe Manzur
John, Were doing an intrusive reflow process on a single sided board, where all the conventional parts are on the "top" of the board. Due to the nature of the board, and the kind of componets on it, we couldn't wave solder it. To keep it contai
Electronics Forum | Fri Apr 23 14:59:14 EDT 1999 | Chrys Shea
| Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. | | We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free soldering on these g
Electronics Forum | Fri Jun 26 16:23:14 EDT 1998 | Steve Gregory
Hi Dave! Yeah, they've been around a while, and they're pretty straight foward like you said. About the only things that I can think of that I've run across that causes problems with these guys is when they're used on the bottomside of the board
Electronics Forum | Fri May 26 05:54:40 EDT 2000 | Sal
For the past year now we have been printing adhesive with no real problems. Our printing ranges from 0603's to SOIC using a variation of aperture sizes and metal thickness foils. The crucial parameters are : aperture sizes : These obviously depend o
Electronics Forum | Fri May 21 15:29:26 EDT 1999 | JohnW
Joe.. Sound's pretty neat trick..mind if I ask what type of comp's are on this board and the paste..? This baby (pig I think) has got a 244pin QFP right dam in the middle..!, so if ur flipin it 180 degree's are u using like a piece of Jot in line co
Electronics Forum | Fri Apr 23 15:33:50 EDT 1999 | C.K.
| | Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. | | | | We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free soldering on t
Electronics Forum | Fri Mar 19 13:26:19 EST 1999 | Scott Cook
| Hi folks, | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and somet
