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LDS vs. 2-Shot

February 27, 2012

The creation of integrated circuitry on plastic can be accomplished through several different processes. The two main processes are the double-shot molding and metallization and Laser Direct Structuring (LDS).

The creation of a double shot mold can be very expensive and once the mold is created, your circuitry pattern is set. Should you later decide to change the circuit pattern a new mold must be created. It is imperative that you prototype and set your circuit pattern prior to creating your mold.

LDS can be used as a prototyping tool for your high volume double-shot component. Parts can now be made via a fused deposition process (3D printing). Circuitry can be designed and tested prior to the creation of the mold.  This saves you both time and money.

The biggest advantage of LDS over 2-shot is the separation of the processes and therefore electrical comes in much later in the design phase.

In 2 shot molding the electrical design is tied to the mold itself. Once the mold is done you can’t change anything unless you change to a different mold.

But with LDS the standard molding of the part doesn’t effect the circuit structure. The circuit structure is added to the part later on.

With LDS you can move the design phase of the electrical to much later in the process and therefore really fine tune the part.

You can even take it a step further and mitigate problems or tolerances we see in the molding that we couldn’t anticipate at the start. So we can actually adjust the electrical design to the mechanical and compensate for unforeseen issues.

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SelectConnect Technologies manufactures 3-dimensional molded interconnects using the LPKF-LDS process to laser scribe circuitry on injection molded components as well as selectively plates circuits integrated into components produced by the Double-Shot molding process.

As the only contract provider of LDS 3D-MID services in North America, we work on projects from early phase prototypes and scale up to high-volume production.  Contact us to learn more about our processes and


From → 3D-MID market

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