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Page 24


www.us-tech.com


March, 2020


Slam-Dunk for ShotTracker with East/West Assembly and Glenbrook X-ray


Continued from page 22


Find Electronic Failures with Vibration Testing


Benchtop Vibration Table


   


     


other product uses a smartphone app to streamline the airport rental car process, eliminating paperwork and waiting lines. “That’s the fun part of this busi-


ness,” says Salo. “We work with inno- vative companies developing inter- esting products that make a signifi- cant impact.” Whatever the product may be, East/West partners with each customer to produce PCBs that make the entire software system op- erate rapidly, reliably and efficiently. “It’s all part of being a good busi-


ness partner, enabling the OEM to fo- cus on its core expertise,” Salo states. In pursuit of this goal, East/West has doubled the capacity of its SMT lines recently and plans to move later this year into larger quarters, still in Austin, which Salo calls a “mini Sili- con Valley, especially for hardware.”


Real-Time X-Ray Inspection The tools that East/West uses to


Contact us for more info.


Cincinnati Sub-Zero Cincinnati, OH


www.cszindustrial.com (p) 513-772-8810


support all its functions range from the latest quality designations to a va- riety of advanced equipment, includ- ing both 3D AOI and real-time X-ray inspection. The company has both ISO 9001:2015 and ISO 13485:2016 (for medical devices) certifications, and AS9100 certification for the aerospace industry is in progress. In addition, an in-house IPC-A-610-certified trainer and specialists ensure compliance with IPC 610 Class II and Class III manufacturing. Maintaining and constantly im-


proving the quality of its assembly process is key to East/West’s ongoing success, and one of its key quality en- hancers has been the use of real-time X-ray inspection, particularly for boards populated with QFNs and BGAs, which are becoming more compact devices with greater func- tionality. Salo sees the percentage of


these chips increasing on the PCBs his company assembles. For current and future genera-


tions of circuit boards, QFNs offer several benefits: they have small footprints, are easy to troubleshoot and, if needed, to rework. BGAs are similar, though issues such as incom- plete solder pads cannot be identified without X-ray inspection. “Anything tiny is a challenge,”


says Salo. “As components get small- er, a microscope just doesn’t show the solder pads. There’s no alternative to X-ray for some devices.” The real-time X-ray inspection


system that East/West selected to check for shorts, voids, insufficient


Part of the ShotTracker system, this Anchor sensor is installed in the rafters of a basketball arena.


SCS PRECISIONCOAT V


reflow, and other process issues is the Jewel Box 70T, manufactured by Glenbrook Technologies of Randolph, New Jersey. The system incorporates a patented XRTV X-ray camera and Crystal-X imaging, plus a 10 micron MicroTech™ X-ray source, providing magnification from 7 to 2,000X, with resolution of 100 line pairs/mm. Its five-axis positioner allows the opera- tor to view a board from any angle and simultaneously produce accurate images quickly, using its pre-in- stalled GTI-5000 image processing workstation. When assembling PCBs for Shot-


Tracker’s Anchor, East/West opera- tors use the Jewel Box to inspect the integrity of the solder pads under the board’s QFNs and BGAs, one of which is so small that it may be missed by a quick glance. A red indicator arrow af- fixed to the board brings it to the oper- ator’s attention. But with the high-res- olution and magnification of the Jewel Box, it takes just a few seconds to ver- ify the integrity of the miniscule solder pads under each component on each board.


Real-time X-ray inspection has


also proved to be a valuable tool in the early stages of product develop- ment, where it can be used to identi- fy issues that might lead designers to modify a solder profile or stencil aperture. At each stage, from proto- typing to full production, Salo says, “X-ray inspection fits right into our continuous improvement profile.” The primary reason for


East/West’s choice of the Glenbrook Jewel Box system was its price-to- performance ratio, according to Salo. Continued on next page


NEW NE


NEW EW


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