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LPKF LDS Prototyping
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Catalog excerpts

LPKF LDS Prototyping - 1

3D MID Manufacturing Made Easy Laser & Electronics

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LPKF LDS Prototyping - 2

The Market for 3D Parts is Growing … Molded interconnect devices (MIDs) create new possibilities in product characteristics and production methods. The LDS method and the laser structuring devices in the LPKF Fusion3D platform play a big part in the success of this technology by providing outstanding flexibility and slashing time to market. The ease of prototyping facilitates development and optimization of LDS components. Investment in a Growth Market Huge Demand Smaller size, higher density, greater precision – electronics developers have been facing these challenges for years now....

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LPKF LDS Prototyping - 3

• Leading in MIDs • Saves space, weight and money • High precision and flexibility • Economical prototyping method All major smartphone manufacturers use LDS in their products

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LPKF LDS Prototyping - 4

Prototyping with LPKF Laser Direct Structuring (LDS) With laser direct structuring, a laser beam applies conductive structures to a three-dimensional plastic part. Copper and other metal layers are then built up on these structures in an electroless process. Overview of LDS Prototyping Process 1. Creating the three-dimensional part 3. Structuring the circuit tracks with the LPKF ProtoLaser 3D 2. Painting the part with LPKF ProtoPaint LDS 4. Selective metallization with LPKF ProtoPlate

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LPKF LDS Prototyping - 5

• Makes plastic parts LDS-capable • Easy application – one coat is usually enough • Good coverage and adhesion LDS Coating from a Spray Can For mass production, the LDS process requires a plastic material containing an LDS additive. The laser beam exposes and activates this additive. During prototyping the LPKF ProtoPaint LDS paint generates an activatable surface. The basis for an LDS prototype is a 3D part produced, for example, using an additive process (3D printing). Facts and figures • Paint color: black • Can be stored unopened for up to a year • Processing temperature: 20 °C – 24 °C...

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LPKF LDS Prototyping - 6

Laboratory-Scale 3D Laser The specially developed LPKF ProtoLaser 3D is designed to perform the second step in LDS prototyping. The work platform has dimensions of 500 x 500 mm (19.7” x 19.7”) and a z-axis travel of 200 mm (7.8”). A pilot laser and a powerful vision system aid in setup and alignment of multiple structuring steps. The ProtoLaser 3D uses data from conventional layout programs and is supplied with the powerful LPKF CircuitPro 3D CAM software. The vision system detects fiducials and component contours and facilitates structuring in diverse positions. The laser optical...

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LPKF LDS Prototyping - 7

• Compact – fits through any laboratory door • Flexible and economical • With vision system and pilot laser True three-dimensionality: The ProtoLaser 3D can structure parts from all sides Simple part fixtures can be used for laser structuring because they do not need to absorb any mechanical forces. The part fixture shown can easily be made from POM plastic using an LPKF ProtoMat or with a 3D printer using negative layout data of the part. It ensures part feed-in at the required angle. In many cases, a dimensionally stable dental impression paste is sufficient for placement of the part on...

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LPKF LDS Prototyping - 8

Metallizing Circuit Tracks with LPKF ProtoPlate After structuring the parts are rinsed off thoroughly for the last step. In an electroless metallization bath, a copper layer is built up on the structured regions. Layer thickness [µm] The LPKF ProtoPlate basic package comprises an integrated machining cell with glass beaker, magnetic stirrer, temperature monitor, and internal air filter. The chemicals consumed in the copper layer buildup process are included in the LPKF ProtoPlate CU set. low foam depth low selectivity high foam depth high selectivity Layer thickness depends on exposure time 8

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LPKF LDS Prototyping - 9

• Metallization following a simple recipe • No knowledge of chemistry required • Easily determinable layer thickness • Near-production layer thicknesses 1. Pour the copper solution into the beaker 2. Pour in the activator to start the metallization bath 3. Immerse the part in the bath 4. Rinse the part – and the part is ready As Easy as Making Coffee The metallization process is extremely simple. The consumables are numbered. First the copper solution (1) is poured into the glass beaker and heated to about 44 °C (110 °F). The premixed activator (2) is then added to activate the...

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LPKF LDS Prototyping - 10

Applications and Trends LPKF’s LDS prototyping solution offers completely new possibilities in electronics by closing the gap between threedimensional design and mass production of a part. Now different variations and iteration steps can be implemented cheaply and rapidly to achieve a sizable reduction in time to market. LDS parts have proven performance in numerous fields: LDS as an Antenna Solution Clips or housing parts are turned into 3D antennas. Smartphone antenna produced by LDS Connection and Contacting Connection and contacting of complex components. LDS can also be used for...

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LPKF LDS Prototyping - 11

Innovations for New Markets Galvanic reinforcement generates components that can also withstand high mechanical and thermal loads or are suitable for bonding due to their smooth metal surfaces. After a short chemical metallization step, classic galvanization produces a smooth copper layer up to 1.38 mil in thickness Chip Stacks In chip stacks, an LDS housing can provide the necessary contacts between the components. A high density is achieved through the fine pitch and the possibility of placing traces on the housing exterior. The LDS housing combines sensor and analysis electronics LED...

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LPKF LDS Prototyping - 12

The global LPKF network for service and distribution: Headquarters LPKF Group LPKF Distributors Worldwide (LPKF Headquarters) LPKF Laser & Electronics AG Osteriede 7 30827 Garbsen Germany LPKF Laser & Electronics K.K. Japan Phone +49 (5131) 7095-0 info@lpkf.com www.lpkf.com North / Central America South Korea LPKF Laser & Electronics North America LPKF Laser & Electronics Korea Ltd. Phone +1 (503) 454-4200 sales@lpkfusa.com www.lpkfusa.com Pictures may show optional equipment. Global Support LPKF-LDS users have service centers close by in Europe, the USA and Asia. Experts in the application...

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