Electronics Forum: round and hole and elongated and hole (Page 1 of 1)

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 10:38:45 EDT 2005 | SuMoTe

Water soluable dots will wash off after reflow. A water soluable liquid mask will work as well. dots are better for defined (round)holes, whereas the liquid mask works well with odd shapes.

0402 pad and stencil aperture design

Electronics Forum | Thu Oct 30 15:07:40 EDT 2008 | jemills

Hello I have a new 0402 pad design on a recent board were building in future. On closer look i thought the pad was a thru hole mount , but upon closer inspection the round pads are for 0402 comps. I had a discussion with the engineer and he said

I mounted the parts on the buck-boost DCDC converter and measured the characteristics

Electronics Forum | Tue Aug 23 03:29:37 EDT 2022 | samhe

I received a buck-boost DCDC board with an optical sensor from NextPCB, so I mounted the components and measured the efficiency. Table of contents Board received from NextPCB Solder paste printing Mounting of parts Reflow operation check Attaching

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