Electronics Forum | Sat Mar 27 03:57:09 EDT 2010 | grahamcooper22
I agree with Steve. Your are too hot and too hot for too long. What is the device spec for Peak Package Temperature (PPT)? (this is usually on the moisture barrier bag) Many leaded BGAs have PPT of 225 Deg C. Even if it is higher, like Steve suggeste
Electronics Forum | Thu Jun 17 12:32:25 EDT 2010 | floydf
Last July I posted a query about reflowing leaded > paste to gold plated boards, I wasn't getting a > good reflow. The answer that seemed to work was > dwelling the board at reflow for the maximum > recommended amount of time. Would anyone have a
Electronics Forum | Sat Dec 04 10:21:39 EST 2010 | doremi
Hi, I work with Omron AOI for almost 5 years. Sorry for the late reply, but I visit this site very seldom Basically Omron are considered as the best in solder joint inspection because it used patented 3 colour highlight principle and in 99% the missi
Electronics Forum | Wed Jun 08 13:49:48 EDT 2011 | sonofptolemy
Hello, I am having a problem with HASL PCB's after it comes back from the stuffer. To me it looks like oxidation and it causes poor wetting. This leads to a bunch of problems all of which have different symptoms but the cause is this oxidation proble
Electronics Forum | Thu Aug 30 20:35:51 EDT 2012 | davef
A common bottomside heater configuration is IR-Convection-Convection. One of the big advantages of the IR zone is its ability to allow the flux carrier to spread and dry slowly before the board reaches the convections zones, which can blow wet flux c
Electronics Forum | Thu Dec 27 13:04:58 EST 2012 | dyoungquist
From the temps you list, I'm going to assume you are using leaded solder. What type of oven profile are you using: Ramp-Spike or Ramp-Soak-Spike? I think you will have better results if you use the Ramp-Soak-Spike type of oven profile. Better chan
Electronics Forum | Wed May 15 15:58:11 EDT 2013 | rgduval
Let me see if I understand you correctly. You have a batch washer (looks like a dishwasher). There is a top and bottom spray fixture, which would normally spray water up at the board and down at the board being washed. When you place boards in t
Electronics Forum | Wed Jun 25 09:51:51 EDT 2014 | iam09
Hi Sirs, We are running Tin Lead process and we have boards that required clean and no clean process which have different flux application in our wave process. We are looking into opportunity to use common flux system for both clean and no clean an
Electronics Forum | Thu Jan 14 04:41:29 EST 2016 | saimen
Hi There , Glad to contact with you , Here is Saimen in Tianweisheng , wish we will have a good cooperation in the furture if we have the honor . Our company is one of the largest custom-made PCB manufacturer in China. We can OEM,ODM,EMS single side
Electronics Forum | Tue Jan 16 11:40:53 EST 2018 | awelektronik
Hello, i try to programm my vision system from our HS180 to place a Radio-Module (RN2483 from Microchip). On the Visionsystem, the Module are very bright! So i cant teach the leads from the module. I tryed to teach only measuring outline, but somet
