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Posts

Part of Fluidic Layer

Proud molded microfeatures within the fluidic layer.

Dimensions

The diameter (D) of a post is partially limited by its height (H). The rest of a post’s dimensions should follow the requirements for molded microfeature dimensions and draft.

Isometric view of the reference device with all posts highlighted.
Isometric view

Bar scale showing 2 cm as 18.182% of the figure's width.

Close-up of multiple posts in a line.

Bar scale showing 250 µm as 20.455% of the figure's width.

Side cross-section of the reference device with all posts highlighted.
Side cross-section

Bar scale showing 2 cm as 18.182% of the figure's width.

Close-up of multiple posts. The diameter of the post is labeled “D” and the height of the post is labeled “H.”

Bar scale showing 250 µm as 20.455% of the figure's width.

Fluidic layer footprint limitations
Dimension Minimum Maximum (H:D)
Diameter (D) 125 µm 2:1

Distance Between

The distance between posts must be at least 50 µm.

Side cross-section of the reference device with all posts highlighted.
Side cross-section

Bar scale showing 2 cm as 18.182% of the figure's width.

Close-up of multiple posts with at least a 50 µm gap between them.

Bar scale showing 250 µm as 20.455% of the figure's width.

Design questions? Talk to an engineer.