PCB Libraries, Inc. | https://www.pcblibraries.com/forum/remove-origin-marker-from-courtyard-layers_topic1666_post7219.html
. This will follow J-STD-001 and IPC-610 standards for solder joint creation and acceptance. Proportional SMD Pad Stack Gullwing Lead Shape (SOP & QFP) Pin Pitch Toe Heel Side Courtyard 1.27 mm 0.30 0.35 0.05 0.25 1.00
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/remove-origin-marker-from-courtyard-layers_topic1666_post6787.html
. This will follow J-STD-001 and IPC-610 standards for solder joint creation and acceptance. Proportional SMD Pad Stack Gullwing Lead Shape (SOP & QFP) Pin Pitch Toe Heel Side Courtyard 1.27 mm 0.30 0.35 0.05 0.25 1.00
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1649&OB=DESC.html
Posted: 13 Apr 2015 at 7:00am The Tolerance Deviation of -0.10 mm to +0.30 mm does not play into the mathematical model of the IPC-7351 land pattern calculation for the resulting pad size. You can enter -0.10 mm to +0.30 mm or
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/specified-vs-calculated-nominal-sizes_topic1649_post6725.html
-0.10 mm to +0.30 mm does not play into the mathematical model of the IPC-7351 land pattern calculation for the resulting pad size
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-oversize_topic1913.html
? I tried a 0.50 mm pitch BGA with a ball size of 0.30 mm and the pad oversize was at 0 mm and as soon as I put the ball at 0.50 mm the pad oversize became 0.05 mm
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/footprint-name-for-parts-with-tabs_topic494.html
: Create a BGA chart that has a default Ball Size for each Pin Pitch. Pin Pitch Nominal Ball Diameter 1.50 0.90 1.27 0.75 1.00 0.60 0.80 0.50 0.75 0.45 0.65 0.40 0.50 0.30 0.40 0.25 0.35 0.22 0.30 0.20 For component mfr. recommended footprint drop the environment level character after the pin qty
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/footprint-name-for-parts-with-tabs_topic494_post2055.html
: Create a BGA chart that has a default Ball Size for each Pin Pitch. Pin Pitch Nominal Ball Diameter 1.50 0.90 1.27 0.75 1.00 0.60 0.80 0.50 0.75 0.45 0.65 0.40 0.50 0.30 0.40 0.25 0.35 0.22 0.30 0.20 For component mfr. recommended footprint drop the environment level character after the pin qty
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-oversize_topic1913_post7785.html
. This is when the pad size round-off = 0.01 0.70 / 0.58 0.60 / 0.50 0.50 / 0.45 0.45 / 0.41 0.40 / 0.37 0.35 / 0.33 0.30 / 0.24 Are you sure you're using Library Expert V2016.07
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1913&OB=ASC.html
? I tried a 0.50 mm pitch BGA with a ball size of 0.30 mm and the pad oversize was at 0 mm and as soon as I put the ball at 0.50 mm the pad oversize became 0.05 mm
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic494&OB=ASC.html
: Create a BGA chart that has a default Ball Size for each Pin Pitch. Pin Pitch Nominal Ball Diameter 1.50 0.90 1.27 0.75 1.00 0.60 0.80 0.50 0.75 0.45 0.65 0.40 0.50 0.30 0.40 0.25 0.35 0.22 0.30 0.20 For component mfr. recommended footprint drop the environment level character after the pin qty
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