Electronics Forum | Sun May 06 21:06:59 EDT 2018 | jimpat
Thanks for the feedback. I was looking into solder pastes and saw some advertised specifically for low voiding by Indium and another supplier. This is customer driven - requesting voids in the single digit percent for components with thermal pad
Electronics Forum | Wed Feb 27 01:50:17 EST 2019 | buckcho
Hello, not at all. Usually you can create programs without CAD data or any text files in my experience. Software just names the pads one by one.
Electronics Forum | Mon Aug 06 14:12:49 EDT 2018 | tey422
I just found out we are unable to epoxy it. As the customer need to pull it up and open to tune the product. Which means the only way to solve it is by fine tune the pad and/or stencil design.
Electronics Forum | Tue Aug 07 02:20:59 EDT 2018 | bukas
V-cut pads partially(wide angle) so they become slotted in a way. leave paste as is. I would place slot under coil but there is a trace if Im not wrong
Electronics Forum | Tue Aug 07 13:21:41 EDT 2018 | horchak
Don't suppose the coil manufacture could make the coil with the leads coming straight out from the winding on opposite sides and on the same plane. Then it can't roll around. SMT pads may have to be staggered a bit. Just a thought.
Electronics Forum | Fri Aug 24 08:49:54 EDT 2018 | davef
My first guess at the cause of your components skewing -- Termination pads on the board to not well match the the soldered terminals on the components, causing unbalanced wetting forces on the component terminations while the solder is molten.
Electronics Forum | Fri Aug 24 12:59:03 EDT 2018 | cupet
Dear davef, but this LED is skip component, that's a blank footprint and one of its pad is badly wetted...this is the reason for my thinking about contamination. Do you mean different solder paste with more aggressive flux?
Electronics Forum | Tue Sep 11 09:41:25 EDT 2018 | charliedci
Leo, Your pic is not clear. It appears the LED is either tombstoned or billboarding. A larger pic would help, also component info, how many pads, etc.
Electronics Forum | Thu Sep 20 07:22:02 EDT 2018 | proceng1
how many parts are you looking for? Certain sizes of SMT? You said you have boards, so you'll need parts that fit the pad layouts of those boards. Also, where are you located?
Electronics Forum | Fri Sep 21 16:04:48 EDT 2018 | gpascolla
We have an old juki 740 which was purchased off of eBay at this time I am having placement problems with accuracy. I have taught to the board with the camera numerous times but I still have placement problems where the chip will be off the pad by alm
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