Electronics Forum | Tue Jul 25 16:59:54 EDT 2017 | spitkis2
Is anyone reworking BGA parts with an rf shield on top of the package? Any problems getting it off the board? I am running into an issue in that the shield comes off but the part remains on the board - not because solder has not reached melting but
Electronics Forum | Tue Aug 01 15:31:12 EDT 2017 | emeto
Agreed with Thomas i increase wait time when picking and slow down Z axis. If you think it is the tape, I would suggest you send one tape to a company that puts parts in tape. let them use different pocket and compare result. If the part is sticky an
Electronics Forum | Fri Aug 04 11:13:34 EDT 2017 | tombstonesmt
One tip that I found very useful in this application that hasn't been mentioned is auto pick up position teach. Our Panasonic equipment will constantly move the pick up position in regards to the center of the nozzle when scanned. On older Panasonic
Electronics Forum | Sat Aug 26 08:29:58 EDT 2017 | eurolan
Hi, What kind of Quadra do you need? We have a couple of mechanical centering quadras, one is in good working condition, the other one we use for spares. If you are interested we can offer them to you with A LOT of feeders and many other spare (n
Electronics Forum | Mon Jan 08 17:25:39 EST 2018 | vassago
Hi, > > What kind of Quadra do you need? > > We > have a couple of mechanical centering quadras, > one is in good working condition, the other one > we use for spares. If you are interested we can > offer them to you with A LOT of feeders and
Electronics Forum | Fri Aug 11 18:19:30 EDT 2017 | selectpcb
I just opened a small CM for a customer that required me to purchased a GEM Topaz X. I am told that I need to use pad2pad in order to download the XY data too. I've looked all over the place for this software but cannot locate it. does anyone know wh
Electronics Forum | Fri Aug 18 03:46:29 EDT 2017 | stivais
The first reply from Tsvetan Usunov already answered your question - there are no thermals for one side of the chips. You can try to reduce the phenomenon by using different solder pastes, tuning your soldering profile or even switching to different
Electronics Forum | Thu Sep 07 07:36:57 EDT 2017 | tsvetan
we use 0.12 mm stencil with 0.3 mm apretures for 0.5mm step FBGA153 memory without problems the solder paste is SAC305 Class4 http://www.olimex.com/Products/Components/Soldering/SOLDER-PASTE-SAC305-CLASS4/
Electronics Forum | Thu Sep 07 11:39:39 EDT 2017 | swag
Two magic bullets help us greatly with fine pitch printing: 1) nano coatings (we use a DEK product) YES it really does work 2) temperature control in the printer (AC unit). Of course good quality stencil and proper cleaning of the stencil are im
Electronics Forum | Tue Sep 19 09:41:30 EDT 2017 | sumote
Steve, The 4 things I would do, and in this order: 1. Clean your stencil with stencil cleaner wipes after it comes out of the stencil cleaner. I like MicroCare ProClean (MCC-PROWR). I will even saturate the wipe with a bit of isopropal just till
