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Small article refinements

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2026-04-11 10:05:39 +02:00
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content/posts/2026/04/exposure-unit-upgrade/index.en.md
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@@ -27,7 +27,7 @@ A double-sided layout made it possible to significantly reduce the amount of spa
## 2. Fresh coat
To further improve efficiency through reflection, the new circuit board is also sprayed with chrome-effect paint, just like the old one. However, because the smaller distance between the LEDs also requires a different placement of the two LED carrier boards (slightly less distance in the middle to maintain uniformity), the interior of the exposure unit had to be repainted for aesthetic reasons—otherwise, the imprints of the old boards would still be visible.
To further improve efficiency through reflection, the new circuit board is also sprayed with chrome-effect paint, just like the old one. However, because the smaller distance between the LEDs also requires a different placement of the two LED carrier boards (slightly less distance in the middle to maintain uniformity), the interior of the exposure unit had to be repainted for aesthetic reasons - otherwise, the footprints of the old boards would still be visible.
![Before-and-after image of the coating on the carrier circuit boards and the interior of the exposure unit](before-after-spray.png)