Are there SMT mechanical components like that could be used for orientating PCB-level optics on the board and do not require holes in the board? Their final position would solely depend on the reflow. A height of 1/8" would be sufficient. I was considering using a dummy electrical components but the tolerances on case dimensions are to wide. There are PEM SMTSO ReelFast® surface mount standoffs but they require a hole in the board. Any recommendations?
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