Electronics Forum: .0

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 18:25:07 EST 2019 | myke03o

Hi Jandon, Thanks, I will try it on my DOE.

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 21:47:41 EST 2019 | sssamw

Yes, 0.25x0.25 square could work @0.1 thickness, use nano-coating or electroform stencil for better solder paste release.

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 22:24:43 EST 2019 | dman97

Use a type 5 solder for maximum paste release.

What is Cu-EFTEC 64T?

Electronics Forum | Thu May 06 17:23:02 EDT 2004 | davef

Ah, here it is: EFTEC-64T. A commercial leadframe material with the nominal composition of Cu-0.3Cr-0.25Sn-0.2Zn

Offset for placed components?

Electronics Forum | Thu Aug 19 03:21:19 EDT 2004 | Evtimov

Hello all! Can you tell me what is the allowed offset for placed SMD component? Let's say for 0603 package(1.5mm,0.75mm the offset could be 0.2mm in X and Y ....) Where can I read about it? Thank you in advance.

Leadfree dip soldering

Electronics Forum | Wed May 04 10:36:20 EDT 2005 | Rob

Hi Hannu, Just out of interest, are these big, heavy transformers, where the weight of lead in the solder will be less than 0.2% of the overall weight of the dipped part?

Yamaha YV84 P&P machine

Electronics Forum | Sat Jun 03 20:27:39 EDT 2006 | eeltec

Dear MrMaint, I have a COMET machine and I need to calibrate the X axes of table B that it is of by aprox 0.2%. Please help, the manual do not tell how to do this. Best regards, Greg

Stencil thickness

Electronics Forum | Mon Mar 13 04:18:42 EST 2006 | pedestrian

0.2mm gap between parts is small and easy to solder short. I prefer 5mils or 4mils.

Require software for Heller 1707EXL

Electronics Forum | Tue Jul 30 03:57:29 EDT 2019 | SMTA-David

Hi, I am looking for software for 2003 model 1707 EXL reflow oven (HC1 controller). I believe latest version for that model is 1.0.6.5.8 (98 Win) or 4.0.2.1 for XP. Thanks

Temperature Profile for 0.2mm Thick ENIG Flex PCB

Electronics Forum | Thu Jan 30 07:19:23 EST 2020 | dontfeedphils

I'd post an image of your current profile if you could. Have you tried a RTS profile instead of a RSS?


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