Sierra Circuits Inc. Chooses atg A9L Flying Probe Technology for High-speed Electrical Test
April 1, 2025 | atg Luther & Maelzer GmbHEstimated reading time: Less than a minute

atg Luther & Maelzer GmbH confirms delivery of high-speed bare board testing technology to PCB fabricator Sierra Circuits Inc. in Sunnyvale, CA.
Consistent with the on-going investment in leading edge technologies at Sierra Circuits Inc., the A9L, 8 head, double-sided large format, high speed, high accuracy flying probe test system represents the latest addition to their test department. The new atg technology enables Sierra Circuits Inc. to test the latest ultra-fine designs while helping to reach industry leading throughput goals.
atg’s A9L can test pad sizes down to 35 micron and is capable of testing products up to a size of 36” x 26”. The A9L eliminates limitations due to test point density or fine-pitch contacts and features embedded component test, 4-wire Kelvin measurement capability with an accuracy of +/- 0,025 mΩ, HPOT and latent testing, in combination with a test speed of up to 230 measurements/second.
From their state-of-the-art PCB manufacturing facility in the heart of Silicon Valley, Sierra Circuits Inc. offers a complete line of PCB layout, fabrication, and assembly services. With almost 40 years of experience manufacturing highly complex PCB products, Sierra Circuits Inc. is one of the leading PCB manufacturers in North America.
Testimonial
"Our marketing partnership with I-Connect007 is already delivering. Just a day after our press release went live, we received a direct inquiry about our updated products!"
Rachael Temple - AlltematedSuggested Items
MoU to Revolutionize Photonic Integrated Circuit (PIC) Device Testing with AI-Driven Solutions
08/07/2025 | PRNewswireLightium AG, MPI Corporation, and Axiomatic_AI Inc. have entered into a Memorandum of Understanding (MoU) to jointly develop the world's first Intelligent, Autonomous, and Integrated Test Solution (IAITS) for photonic devices.
InTest Receives $2.6 Million Defense Industry Order
08/06/2025 | BUSINESS WIREInTest Corporation, a global supplier of innovative test and process technology solutions for use in manufacturing and testing in key target markets which include semiconductor (semi), automotive/EV, defense/aerospace, industrial, life sciences, and safety/security, announced that it was awarded a $2.6 million order by a prime defense contractor.
Circuit Check Acquires Solution Sources Programming (SSP) to Become a Full-Service Test and Programming Provider with Expanded Presence in Silicon Valley
08/05/2025 | PR NewswireCircuit Check, a global leader in turnkey functional test systems across medical, automotive, industrial, military/aerospace, and emerging AI applications, today announced the acquisition of Solution Sources Programming (SSP), a trusted Silicon Valley provider of integrated test and programming solutions for over 35 years.
Register Now for the HATS²™ Technical Day at GEN3 HQ
08/05/2025 | GEN3GEN3 a world-leading manufacturer of testing, measurement and production solutions for electronics reliability. Headquartered in Farnborough, UK, GEN3 is announcing the final call for registrations to attend the exclusive HATS²™ Technical Day — a hands-on, live demonstration event showcasing the Highly Accelerated Thermal Shock Tester (HATS²™), the groundbreaking innovation from industry pioneer Bob Neves.
Atg Launches Latest Large Format Test System, A9XL, with 8 Heads and 48” x 26” Panel Capability
08/04/2025 | atg Luther & Maelzer GmbHatg Luther & Maelzer GmbH (a Mycronic company) is proud to roll out a new large format test system generation based on the latest high speed atg A9 (board size up to 24” x 21”) and A9L platform.