I decided to try my hand at two-sided reflow before I run the BGA on bityExpress. The board that I designed is a simple LED board that I can use to verify if all of the pins on the bityExpress expansion connector are connected to the FPGA correctly.
When I ordered the stencil I found
OSH Stencils (no connection to OSH Park). They make polyimide (Kapton) stencils like
OHARARP, but they will build smaller stencils down to a minimum order of $5. They also sell adjustable stencil frames for $5. Based on what I see I'm sold. Now I don't have to try to combine stencil orders to make them affordable.
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| Stencil and frame from OSH Stencil |
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| Paste applied |
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| Parts placed |
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| Ready to reflow |
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| Reflow complete |
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