PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351c-pin-1-polarity-marking_topic1530&OB=DESC_page2.html
(BGA, LGA, CGA, PQFN, PSON, DFN, etc.) the silkscreen polarity is removal of silkscreen. This is because the placement courtyard on "Bottom Only" terminals hugs the component package and there is no room to place a visible silkscreen polarity marker that is located inside the placement courtyard (not enough room). Note
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipc7351c-pin-1-polarity-marking_topic1530&OB=DESC_page2.html
(BGA, LGA, CGA, PQFN, PSON, DFN, etc.) the silkscreen polarity is removal of silkscreen. This is because the placement courtyard on "Bottom Only" terminals hugs the component package and there is no room to place a visible silkscreen polarity marker that is located inside the placement courtyard (not enough room). Note
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351c-pin-1-polarity-marking_topic1530_post6265.html
(BGA, LGA, CGA, PQFN, PSON, DFN, etc.) the silkscreen polarity is removal of silkscreen. This is because the placement courtyard on "Bottom Only" terminals hugs the component package and there is no room to place a visible silkscreen polarity marker that is located inside the placement courtyard (not enough room). Note
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ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/industries/electronics-assembly-and-packaging?con=t&page=5
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PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2593&OB=DESC.html
. This makes the post assembly inspection process easy, as the component package may move up or down during assembly reflow but the dot will always be visible
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2593&OB=ASC.html
. This makes the post assembly inspection process easy, as the component package may move up or down during assembly reflow but the dot will always be visible
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2593&OB=DESC.html
. This makes the post assembly inspection process easy, as the component package may move up or down during assembly reflow but the dot will always be visible
Our Company handle AOI (Auto Optical Inspection) and SPI (Solder Paste Inspection) Machines.
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Hwaseong-si, South Korea
Phone: +82-1029254936
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