Electronics Forum | Fri Feb 02 05:11:29 EST 2018 | deanm
I developed our company's procedure for moisture sensitive devices based on J-STD-033 and I don't recall anything requiring a certain ramp rate. Furthermore baking at 85C will greatly extend the time to reset the clock and it is harder to maintain
Electronics Forum | Wed Mar 13 14:33:39 EDT 2024 | jergod
Thanks for response, really appreciate it! About koh young, what do you think about programming compared to others? How long it takes to make programs? Cyber obtics was on my list actually but i havent get any response from them when i requested d
Electronics Forum | Thu Dec 02 11:42:03 EST 1999 | John S.
Dick, My company made the transition from thru-hole to SMT about a year ago. We've been building thru-hole boards successfully for years, but our customer requirements have forced us into the transition. Wolfgang made a very good comment. Start s
Electronics Forum | Fri Feb 11 10:37:54 EST 2000 | Leslie Hall
I'm trying to find out what is considered a standard or what other companies are doing to test their cuircuit boards. Is everyone using a envirmental room if so what is the ramp up and how long do you test it? Thanks
Electronics Forum | Tue Feb 09 10:03:05 EST 2021 | grahamcooper22
Just wondering, what do companies who have a stand alone reflow oven use to allow their pcbs to safely exit off the reflow machine conveyor belt or pcb rails ? I've seen home made ramps that the pcb slides down.....but is there any other option ?
Electronics Forum | Wed Dec 07 14:55:14 EST 2005 | Samir Nagaheenanajar
Here in Rihad, I am in the midst of Pb-Free implementation, and most of our paste manufacturers have advised that with the higher peak temperatures, you need to retain the activators as long as possible. I have changed our profiles to a more gradual
Electronics Forum | Fri Nov 04 11:29:46 EST 2005 | JeffP
Jay, I work for a company that manufactures batch reflow ovens however, I will try to be as subjective as possible. For the most part, what others have posted is true. Yes, there is one heating chamber and if the heater does not have enough power
Electronics Forum | Thu Oct 28 17:46:44 EDT 1999 | Gary Kemp
My company manufactures memory modules and I'm finding solder specs on the gold fingers following the reflow process. We are using a no-clean solder paste. The spec sheet warns against crossing the 140 degree C mark during the soak stage, preventin
Electronics Forum | Wed Mar 15 17:13:21 EST 2006 | Wave Master Larry
Listen.I posted this same message on a diffrent thread but got no repsonse. Here's what im wondering Im more of a wave guy but we had a good employee in the engineering department, he's left the company but he used these setpoints on the ovens in a
Electronics Forum | Wed May 24 16:01:08 EDT 2006 | samir
GEB, Datasheets are usually just guidelines and most App. Engineers from paste companies will tell you that as well. You don't have to "copy exact" what they say, but rather set your oven to what gets you and your type of boards the best results. P
