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Electronics Forum | Fri Jul 13 14:56:01 EDT 2001 | stevenamacdonald
One of our board vendors recently switched their stencil design to home plate apertures. Since the change the quality and yield of their PCB's has went south, Could this process change be the cause?
Electronics Forum | Mon Jul 16 14:38:22 EDT 2001 | ohboy
If your pad designs don't meet IPC recommendations, using home plate may have adversely affected the (possibly marginal) placement tolerances. This could also be caused by an incorrect home plate design, which IPC has also given recommendations for,
Electronics Forum | Fri Jul 13 19:08:55 EDT 2001 | mparker
Home plate apertures are designed to reduce or eliminate solder balls that occur when placing a chip and reflow of the solder. This aperture type is usually desired when processing with a "no-clean" solder paste. The design of the aperture is usually
Electronics Forum | Thu Apr 12 09:50:51 EDT 2007 | pjc
There have been many designs of apertures for 0402, round, home plate, inverted home plate and various reduction amounts for square or rectangular apertures. What works best for a given application depends on PCB design, solder land finish, stencil t
Electronics Forum | Tue Apr 17 17:30:09 EDT 2007 | jaimebc
Our experience with leaded paste and SAC305, for 0402's, has been positive with the following stencil designs: 1.- 5 mil thickness. 2.- Home plate design. Hope it helps.
