atg Luther & Maelzer to exhibit at Productronica 2015

Comprehensive portfolio covers the full range from cost-efficient manual system up to full automation.

atg Luther & Maelzer will exhibit the fully automated flying probe test solution, A7a, as well as A5 Neo manual test system at the upcoming Productronica Show scheduled to take place November 10-13, 2015 in Munich, Germany.

The A7a test system combines state-of-the-art automation with highest flexibility. The fully automated flying probe tester offers parallel loading of different types of panels and fully supports lights-out operation. The A7a handles panels up to 650 mm x 535 mm size and flex boards down to 0.3 mm thickness.

To learn more about the A7a please visit

On the booth of Adeon, a long term business partner of atg Luther & Maelzer, the A5 Neo can be seen. The A5 Neo manual test system combines affordable technology with all of the enhanced measurement methods of probe systems. To learn more about the A5 Neo please visit

For additional information, meet company representatives at the show or visit



LFRE Plated Probes: Substantial Improvement of Test Cell Uptime on PCBA In-circuit Test Applications

ECTs proprietary LFRE plating has been proven to significantly extend probe life and time between cleaning cylces

Everett Charles Technologies (ECT) has proven the exceptional performance of LFRE spring probe products in a challenging evaluation at a major automotive electronics supplier with global manufacturing facilities. The ECT LFRE probes, which were used in an in-circuit test fixture, tripled insertion life and reduced cleaning frequency by a factor of 10 compared to the original set up.

ECT LFRE probes meet the challenges of lead free pads. Lead free solder has a higher reflow temperature, which can result in harder and stickier solder flux resin and a thicker, harder oxide layer. This thicker layer of resin and oxide is more difficult to penetrate and increases wear on the pogo pin. Lead free solder resin and oxides can also increase debris transfer to spring probes. These are many of the issues found in OSP (Organic Solderability Preservatives) and no-clean applications.

ECT’s proprietary LFRE plated probes have two key attributes that make it an ideal choice for the most challenging PCB test applications. LFRE provides a smooth, slick plating surface that not only resists wear but also resists solder and debris transfer. ECT’s LFRE plating is also significantly harder than the industry’s standard gold plating and has a hardness range of 550 to 650 Knoop. This makes the probe tips much more durable and less susceptible to solder and material transfer. LFRE probes incorporate a double roll close, which offers the industry’s best pointing accuracy. Increased pointing accuracy is of benefit when using lead free solder and/or no-clean as the probe is less likely to touch the edge of the pad where the solder flux accumulates.

Tony DeRosa, Product Manager, highlights: “The customer was experiencing excessive cleaning, short probe life, and low first pass yield. Contamination due to excessive solder flux was limiting probe life to only 60k insertions. We were able to improve insertion life to more than 180k cycles and to reduce the cleaning frequency to 2-3 times per week.”

LFRE plated probes leverage ECT’s long-term expertise in materials and platings along with probe fabrication knowledge. The LFLT probe – the long travel version of the LFRE probe – incorporates ECT’s proven PogoPlus bias ball design and double roll close process. Both of which contribute to making sustainable and reliable contact to PCB targets.

LFRE Pogo® pins are available in a variety of spring force choices and pitches. All of ECT’s lead free (LFRE) probes have a spring fatigue life that surpasses 500,000 cycles.

Learn more about the ECT In-circuit and Functional Test Probes:


New ECT Accordion™ Technology Provides Reliable Contact in Harsh Environments

Patented interconnect solution offers unprecedented cost and reliability advantages for high insertion count applications

Everett Charles Technologies (ECT) has been supplying spring probes for over 50 years. ECT leverages this industry leading experience for unique, customer focused solutions to the most challenging connector requirements. Accordion™ is a patented contact technology from ECT that targets high reliability applications. It’s well suited for demanding environments found in the military, aerospace and medical markets. Recently the ECT Accordion contact has been selected as interconnect platform solution for a critical signal and power transmission application by a tier one military contractor.

Accordion spring contacts incorporate a compliant, one-piece spring in an open architecture format to accommodate a wide range of physical circuit topologies. The Accordion is ideal for harsh environments. Utilizing a single contact eliminates the threat of liquid and debris build up between parts while also being tolerant of vibration and shock. Accordion offers several surface contact advantages over traditional compliant contacts. One of which is placing multiple contacts per position to allow for single target redundancy.

It can also be designed to provide a controlled scrub which removes oxides and debris from the contact position and its mate. The Accordion scrubbing action ensures surface contact, while the single beam prevents the momentary resistance spikes found in connection systems requiring a wide range of actuation.

This versatile contact can be tailored to specific x-y-z envelops and compression force targets.

Tony DeRosa, Product Manager, explains: “ECT was given the challenge to create an interconnect for harsh environments, where the electrical properties would remain unaffected. Competition was limited to conventional spring probe options and required the development of a costly and unproven sealed design. We at ECT were able to use our patented Accordion technology to produce a single beam contact that is unaffected by liquid, and has the ability to wipe away surface contaminants. The contact form factor was also designed to enable a redundant contact in each position. All of this was accomplished at a cost below that of a custom pogo.”

Learn more about the ECT Accordion:


atg Luther & Maelzer to exhibit at TPCA Show 2015

Cost-efficient testing of PCBs and substrates

atg Luther & Maelzer will exhibit the fully automated flying probe test solution, A8a, as well as the high speed substrate test solution, S3-8, at the upcoming TPCA Show scheduled to take place October 21 – 23, 2015 at the Nangang Exhibition Center in Taipei, Taiwan.

The A8a test system combines the flexibility of flying probe testers with high throughput. The A8a provides significant cost advantages compared to fixture testers for small and medium batches and fully meets the requirements in its main application field: The electrical test of HDI products for smart phones and tablets. The A8a ensures best productivity, most efficient operation and best test quality and accuracy.

For more information, please visit

The S3-8 10µm substrate tester meets the challenging requirements of high end substrate test such as positioning accuracy and high number of contact points by applying the advanced flying probe technology of atg Luther & Maelzer. With its double-sided, eight test heads architecture the S3-8 achieves a substantially higher speed. This high throughput capability enables testing of higher quantities of substrate boards with flying probe test systems providing the customer with an economical test solution for high high end substrate boards.

To learn more please visit

For additional information, meet company representatives at the show or visit


Taiwan has the world’s largest PCB industry, with an estimated value of 17.6 billion US dollars in 2014. This year, TPCA Show upholds its flagship standing by extending its reach from its fundamental elements – PCB manufacturing, materials and equipment – to downstream fields such as electronic assembly, surface finishing, IC packaging, thermal management, green technologies. With continued support from members of the PCB and peripheral industries, the 15th TPCA Show is expected to host 1,334 booths and to draw the attendance of more than 30,000 professional visitors.