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LDS Design Rules

LDS Design Guidelines

Implementation of high-quality MIDs is easy - taking into account some design rules. The LDS design guidelines explain what the parameters are. To download the guidelines, register using the following link.

LPKF LDS Prototyping

MetallizationIn the LDS laboratory, you will find all the tools for producing the later serial product as a prototype:

A computer with CAD software creating the layout, the granulate for the plastic blank, a spray can with LDS paint, a laser system for structuring the circuitry layout and a metallization bath for copper plating.

After a successful test of the prototype, it is manufactured in the production hall (right door).

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LPKF CircuitPro 3D CAD Software

In the first step, the layout data are imported and prepared in LPKF CircuitPro 3D. The data are interpreted and optimized by a laser system for the structuring process.

Particularly complex layouts can be split into individual projects so as to facilitate laser structuring in different angular positions.

LDS Technology in Mobile Devices

LPKF antennaAn especially popular LDS application is the mobile radio antenna. The LDS (laser direct structuring) process offers complete freedom in 3-D design of antennas.

Designs can be changed quickly and antenna structures can be created directly on a 3-D plastic surface. This saves space and opens up opportunities in the miniaturization of mobile devices.

LDS Plastic in Color

LDS Plastic in Color

Individually colorable LDS plastics allow the developer design freedom. The primary colors can be mixed by adding other dyes to any color shade. Learn more about the materials and providers via the following link.

Applying LDS Paint with ProtoPaint

After shaping the plastic blank, LPKF ProtoPaint LDS provides its surface with a coating that can be laser-activated.

It is an easy-to-apply paint that produces a functional coating, even without expensive injection molding tools. The LDS process then creates the structures on the paint coat.

Granulate for the Base Body

GranulateIn the second step, the plastic blank is shaped. In the rapid prototyping process, components can be manufactured from CAD data without shaping tools. A blank is built up in layers using stereolithography, laser sintering or by fused deposition modeling (FDM).

The various plastics meet the most varied requirements: for example, some are especially temperature-resistant, chemical-resistant or individually colorable. Learn more about the materials and providers via the following link.

Laser Structuring the surface with the LPKF ProtoLaser 3D

LPKF ProtoLaser 3DAfter painting the plastic surface, the circuitry layout is transferred to the blank with a laser.

The layout data are taken over directly from the LPKF CircuitPro 3D software. The laser activates the surface for copper plating in the following step, chemical metallization.

LPKF ProtoPlate LDS

Metallization with LPKF ProtoPlate

With ProtoPlate, metallization of the component can be done in your own laboratory without any particular knowledge of chemistry.

Metallization is very easy: The clean structured components are immersed in the bath and metallization begins after a few minutes. Depending on the duration of the metallization process, uniform copper layers develop with a thickness of 3 μm to 10 μm on the plastic component. Finally, the LDS components are removed and rinsed.

Metallized Prototype

The Metallized LDS Prototype

After metallization the prototype is ready and can be tested. Until the product goes into series production, it requires several prototype stages. If the design of the MID component meets all requirements, production can begin. The production hall is to the right through the door.
LPKF Laser & Electronics AG  •  Osteriede 7  •  30827 Garbsen  •  Germany  •  Tel.: +49 (0) 5131 7095-0  •  Fax: +49 (0) 5131 7095-90