Electronics Forum | Tue Jul 13 05:21:04 EDT 2010 | bubbobbed
Guys, I've received complaints from customer that the chip is sticking on the cover tape or carrier tape when detape. Is there any possible that i can solve the problem by changing the cover tape or carrier tape?? some say the root cause of this issu
Electronics Forum | Thu Aug 03 20:51:27 EDT 2017 | OrHorti
I did a test where the leds were put into a 95% humidity at 60 degC environment for an hour, and after that almost all leds would stick into the carrier tape. So, moisture might certainly play a major role in the stickiness of the leds. We placed al
Electronics Forum | Tue Aug 01 11:23:56 EDT 2017 | OrHorti
We are using a custom made nozzle, designed for this particular LED. The dome of the LED is also custom made, the diameter of the lens at the base is 2.9mm while the substrate of the package is 3.3mm, so this gives about 0.2mm spacing between lens a
Electronics Forum | Fri Oct 27 09:07:33 EDT 2006 | kingfish
I have an AP25 HiE, first time using metal blades. I have found that the paste is not releasing from the metal blades whether it is fresh or old. It is intermittent at times. Any suggestions? David
Electronics Forum | Fri Oct 27 20:27:48 EDT 2006 | davef
Search the fine SMTnet Archives for background, for instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=5473
Electronics Forum | Mon Oct 30 10:19:08 EST 2006 | Thanh Nguyen
do not dispense too much solder paste in the stencil. Keep paste about haft of the blade hieght.I think it will help.
Electronics Forum | Mon Oct 30 11:01:32 EST 2006 | nodlac
David- We found success with Permalex blades from Transition Automation. http://www.transitionautomation.com/squeegee.html Not that this solves yer problem....
Electronics Forum | Wed Nov 01 12:31:38 EST 2006 | jdumont
We also use the Permalex blades with good success. We try to keep around a 5/8" bead on the stencil to help with release.
Electronics Forum | Tue Jul 13 14:25:09 EDT 2010 | davef
While you're waiting for others to reply, here's link to a recent thread that seems similar to yours: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=14787&mc=13
Electronics Forum | Tue Aug 01 09:45:58 EDT 2017 | dontfeedphils
Are you using a custom nozzle meant for the domed LEDs? If not, that should help quite a bit and are less expensive than you may think.
