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PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/minimum-trace-width-spacing-for-bga_topic1556.html
. If you plug both sides, super heated gas in the hole could pop through the top or bottom solder mask but if you leave the bottom open it will let the heated gas during assembly reflow escape
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/minimum-trace-width-spacing-for-bga_topic1556.html
. If you plug both sides, super heated gas in the hole could pop through the top or bottom solder mask but if you leave the bottom open it will let the heated gas during assembly reflow escape
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/minimum-trace-width-spacing-for-bga_topic1556_post6321.html
. If you plug both sides, super heated gas in the hole could pop through the top or bottom solder mask but if you leave the bottom open it will let the heated gas during assembly reflow escape
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic1556&OB=DESC.html
. If you plug both sides, super heated gas in the hole could pop through the top or bottom solder mask but if you leave the bottom open it will let the heated gas during assembly reflow escape
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic1556&OB=ASC.html
. If you plug both sides, super heated gas in the hole could pop through the top or bottom solder mask but if you leave the bottom open it will let the heated gas during assembly reflow escape
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1556&OB=ASC.html
. If you plug both sides, super heated gas in the hole could pop through the top or bottom solder mask but if you leave the bottom open it will let the heated gas during assembly reflow escape
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7093a-btc-qfn-solder-mask-defined-thermal-pad_topic2154_post11220.html
. Here is the Land Pattern in the CAD tool illustrating the Solder Mask layer on top. In the CAD tool, Solder Mask areas in Yellow are
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7093a-btc-qfn-solder-mask-defined-thermal-pad_topic2154_post10556.html
. Here is the Land Pattern in the CAD tool illustrating the Solder Mask layer on top. In the CAD tool, Solder Mask areas in Yellow are
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