High-density PCB tech aims at medical wearables, miniaturized designs

High-density PCB tech aims at medical wearables, miniaturized designs

New Products |
By Rich Pell

The company says that the boundaries between thin-film and printed circuit technology is becoming increasingly blurred. With classic semi-additive processes using thin-film technology, conductor widths and spacings of less than 15 µm can be achieved.

However, this technology is usually limited to production formats that result in less attractive product prices. It is technically possible for this technology to be upscaled, but this is complicated and expensive.

The DenciTec platform enables the production of circuits with extremely high density without the disadvantages of today’s established manufacturing processes. The possibilities include conductor widths and spacings down to 25 µm with copper thicknesses of 20 ±5 µm on all conductive layers, laser-via diameters of 35 µm, annular rings with a diameter of 30 µm for the inner layers and 20 µm for the outer layers, copper-filled blind vias with the option of via stacking, and vias-in-pads.

The use of advanced materials allows the production of ultra-thin circuits, including, for example, the manufacture of 4-layer flex circuits with a total thickness of less than 120 µm.


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