Many aspects need to be considered for designing a microfluidic, such as designing new microfluidic sensors, actuators, connectors, etc. Although there are many detailed differences in specific cases, some parameters have basic reference ranges. These reference parameters will help users avoid falling into puzzles that components and systems may present to them that are difficult, inappropriate, or even impossible to interconnect with or integrate into their systems. Here we provide general introduction.
Table 1. Summary table of all interconnect guideline dimensions and tolerances regarding port pitches, chip thicknesses, and port dimensions.
|Parameters||Nominal value||Minimal value||Maximal value||Tolerance|
|Reference point: Left chip corner||0 mm|
|Distance of the first hole from the reference point (3 mm, 3mm) (corner edge to hole center)||(3 mm,3 mm)||+/- 0.15 mm|
|Minimal distance of any hole from any side of the chip||3 mm|
|Distance between holes or port pitch (center to center)||n*1.5 mm||1.5 mm||+/- 0.15 mm|
Rows are parallel to the chip’s x-axis at a
distance from ref. point of n*1.5
|n*1.5 mm||1.5 mm||+/- 0.15 mm|
|Hole diameter for 1.5 mm grid||0.4 mm||0,7 mm|
|Hole diameter for 3 mm grid||0.4 mm||2.0 mm|
|Hole diameter for 4.5 mm grid||0.4 mm||3.5 mm|
|Total Chip Thickness||1 mm||0.85 mm||1.15 mm||+/- 0.15 mm|
|Total Chip Thickness||1.7 mm||1.58 mm||1.92 mm||+/- 0.22 mm|
|Total Chip Thickness||2 mm||1.80 mm||2.20 mm||+/- 0.20 mm|
|Total Chip Thickness||4 mm||3.60 mm||4.40 mm||+/- 0.40 mm|
|Tight tolerance of outer chip dimension (desired)||+/- 0.05 mm|
|Lower tolerance of outer chip dimension (when tight tolerance not achievable)||+ 0.05 /- 0.15 mm|
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