Electronics Forum | Wed May 04 12:36:06 EDT 2005 | bschreiber
Hello Frank, Just a quick note regarding the use of your Smart Sonic Stencil Cleaning process for cleaning PCBs; if the boards are populated, some components my require an ultrasonic rinse with DI water as ultrasonics will deliver the wash solution
Electronics Forum | Thu Apr 28 13:23:56 EDT 2005 | Frank
The Juki KE-2060 machine has a very good programming tool for programming odd components. I have thrown quite a few odd connectors and odd BGA at it and the machine placed them all. Custom nozzles can be pricy, so I always try to find a way to use
Electronics Forum | Wed May 04 04:31:44 EDT 2005 | siverts
What is the MS-level and floor life of the critical components (should be written on the MSD-bag)? What is Your climate condition in the production area (%RH, temp.)? Are you doing this inspection on every board or is it enough to do it on the first
Electronics Forum | Thu May 05 09:17:58 EDT 2005 | jimmiem
I tried soldering to several of the black pads and was successful, the solder stuck with no hesitation. so i guess this is not truly "black pad"? would that be a correct statement? What causes this blackening that looks like oxidation under the mic
Electronics Forum | Wed May 11 11:21:11 EDT 2005 | russ
Been getting wacked by lightning for twenty years in this business. (three times yesterday as a matter of fact) We have never shut down in anticipation that we are going to get hit. I have lost one motherboard in all of these years that cost about $
Electronics Forum | Mon May 16 12:42:59 EDT 2005 | adrian_nishimoto
We have a customer that has been trying to place the Xilinx part number XCV2000E-6FG1156I which is an 1156 ball plastic BGA. When we do the X-ray and inspection we find that the package is warping up on all four corners of the package, Like so: Top
Electronics Forum | Thu May 19 21:53:07 EDT 2005 | KEN
Is it possible your board is warping and skip plating? Have you run a lev-check? What does your contact patch look like? Do you have ice cikles (spelling???) or solder "flags". IF yes, your flux is consumed or nonexistant. What is your dwell time
Electronics Forum | Fri May 27 18:46:09 EDT 2005 | gregcr
I am almost hesitant to mention my good fortune with our Yestech system, for fear that our advantage in the industry will be known. We have run a Yestech for about a year, the operator interface is very well organized. Data is scanned on the machin
Electronics Forum | Sun May 29 11:42:45 EDT 2005 | Stephen
I will say that AOI units are not > magic boxes, you get out of them what effort you > put into them. Use them as process improvement > devices, not a magic machine to catch all your > mistakes. Mirtec's come close though, but you are right a
Electronics Forum | Tue May 24 18:20:05 EDT 2005 | gregcr
Hi All, I am looking for a supplier for the hardware used on reflow SMT carrier pallets. I know that there are many vendors who can make the pallets themselves, but where do they get the locator pins or spring clips. I'm not sure if each vendor ju
