Picture shows a STRETCH.flex PCB in meandering shape

STRETCH.flex PCB Sample WE.band

STRETCH.flex PCB Sample WE.band

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WE.band

Digital and Physical Hand Samples

  • How do I design expandable copper conductors in my ECAD tool?
  • Which connection options of copper conductors to pads do I have in the layout?

Our WE.band STRETCH.flex PCB sample can give you a first answer to these questions.

Download the digital PCB sample for import into your EDA tool:

 

You want a physical hand sample of our WE.band?

 

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WE Band

Overview Physical PCB Sample WE.band

STRETCH.flex Physical PCB Sample WE.band in Detail

CBT Stackup Hand Sample WE.band STRETCH.flex

Stackup: STRETCH.flex 1S

Explanations: Single Layer stretchable PCB made of thermoplastic polyurethan

Design: Additional copper structures

Explanation: The additional copper structures are used to reinforce transition areas.

Design: L1= 800 µm, L2 = 790 µm, w = 190 µm, d = 410 µm

Design: d = 150 µm, w = 190 µm, r = 250 µm

Design: Localized stability increase in the transition area through copper structures from stretchable to rigid

Design: Lasered

Explanation: Contour is cut by laser

Explanation: Possibility of further, electrical connection. In hand sample there is only a mechanical connection.

Explanation: TPU is also used as a cover layer to protect the conductive traces. Solder pads with surface finish are exposed in this area in the TPU.

Explanation: Due to the limp and adaptable material TPU, almost any shape can be realized.

Explanation: See www.we-online.com/stretch

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