Electronics Forum | Wed Feb 05 08:20:14 EST 2003 | mbroadway
I'm new to the smt game. I'm trying to learn the basics of stencil design. I've just been tasked with removing and replacing a couple of mictor connectors. I need to find/design stencils for the solder paste. These boards are proprietary, and we don'
Electronics Forum | Tue Feb 04 09:03:45 EST 2003 | Russ Roberts
Greetings, I am pretty new to SMT production, and have learned much from this forum. I am getting ready to build a CCA with many 0402 parts that are really close together. I consider these fine pitch. The board also has two QFPS, so my stencil design
Electronics Forum | Wed Dec 03 11:55:42 EST 2014 | spoiltforchoice
I think there are several answers: 1)Design Fail - slap whoever created it 2)Fit that connector as a manual process after the PCB is finished. 3)Print side 2 using a jet printer 4) Shield the fragile LGA and reflow it twice anyway. 5)Use a thicker PC
Electronics Forum | Fri May 17 11:10:25 EDT 2002 | wister
Is there any software to design the stencil openings? It may be including automatic modify the aperture,monitoring aspect ratio and area ratio,even let you know the whole vloume of the opening and average ratio?because the stencil design is more impo
Electronics Forum | Fri Mar 17 03:41:33 EST 2000 | JackT
Hi folks, Is anybody have an experience in stencil design for CCGA ? Currently, I'm running with 5 mils thickness stencil and I encountered that there were defect on contact after reflow soldering process. Appreciate your help ! thx..Jack
Electronics Forum | Wed Feb 22 08:02:56 EST 2006 | dj44
I was looking for an stencil design for a 0.5mm pitch uBGA. Pad size is 0.38mm in diameter. We have been using 5mil stencil with type 3 no clean paste. What size aperture should we be using? Any suggestions?
Electronics Forum | Tue Apr 17 08:57:05 EDT 2018 | dleeper
Thanks for the update! I guess whoever designed the package knew what they were doing.
Electronics Forum | Mon May 15 15:42:29 EDT 2000 | Doug Smith
Can anyone tell me a recomended stencil apt. design for PBGA's and Ceramic BGA's when using a no clean (UP78) paste?
Electronics Forum | Wed May 22 12:16:14 EDT 2002 | wister
Yes,stencil supplier can give me some suggestion.but all need to be verified again and again.if there is such software can tell us everything about the stencil design? verify if before it be made.I do think it will save time to launch NPI and save ti
Electronics Forum | Fri May 17 14:12:17 EDT 2002 | dason_c
Not now, Valor may under develop the module for its Trilogy 5000 with the stencil aperture based on the rules which you set. Also, check with IRI stencil (Alpha), they have a s/w and based on using ODB++ file and not Gerber. Rgds.
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