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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.
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HT Global Circuits Adds Two atg Luther & Maelzer Flying Probe Test Systems
10/15/2025 | atg Luther & Maelzer GmbHAtg Luther & Maelzer GmbH, a leading supplier of electrical testing solutions for the PCB industry, and IEC USA, a distributor of consumables, equipment, and services in the North American PCB market, confirm the order for high-speed bare board testing technology.
Datest Marches Into SMTA International with Backup Plans, Big Partnerships, and Bigger X-rays
10/06/2025 | DatestDatest, the industry’s favorite second set of eyes (and hands, and solder joints), is heading to SMTA International 2025 at the Donald E. Stephens Convention Center in Rosemont, IL. Find us at Booth #2627, where high-reliability, high-complexity builds meet their match.
Discover TRI's AI Ecosystem at productronica 2025
09/25/2025 | TRITest Research, Inc. (TRI), the leading test and inspection systems provider for the electronics manufacturing industry, is excited to announce its participation at productronica 2025, which will be held at Messe München Center from November 18 to 21, 2025.
TTCI Wins 2025 Mexico Technology Award for Test Services
09/22/2025 | TTCIThe Test Connection Inc. (TTCI), a trusted provider of electronic test and manufacturing solutions for more than 45 years, is honored to receive the 2025 Mexico Technology Award in the Test Services category.
TTCI Returns to SMTAI with Focus on Functional Test, ICT, and Training Excellence
09/22/2025 | TTCIThe Test Connection Inc. (TTCI), a trusted provider of electronic test and manufacturing solutions for more than 45 years, will exhibit in Booth 2403 at SMTA International 2025, taking place October 19–23 at the Donald E. Stephens Convention Center in Rosemont, Illinois. TTCI will spotlight its advanced test capabilities and full-service approach to tackling complex product validation challenges.