March, 2014
www.us-tech.com
Page 107 Sonoscan: Imaging IGBT Power Modules
Elk Grove Village, IL — Sonoscan has shipped the first of its new D9600Z C-SAM® systems. This new model is designed expressly to facilitate the imag- ing of IGBT (Insulated Gate Bipolar Transistor) power modules. Power modules, such as IGBTs, are basically
high-speed high-power switches used in railway engines, electric automobiles, and many other appli- cations involving high power. Prior to packaging, the transistors themselves are at the top of the module and are too susceptible to water contact to permit acoustic imaging from above. Sonoscan has devel- oped a WaterPlume™ transducer that scans through the heat sink from the bottom of the mod- ule. Ultrasound pulsed into the heat sink will also image ceramic plates (rafts) above the heat sink, and even the die attachments near the top of the module. To speed imaging, the D9600Z has an option for
two transducers that operate simultaneously. Each transducer is coupled with the surface of the heat
2
Heidenhain Intros ETEL High-Force Iron-Core Linear Motor
Schaumburg, IL — ETEL has intro- duced the latest in linear motor tech- nology, the LMS ironcore linear motor series.
Incorporating a patented anti-
cogging design, these linear motors offer a significant advantage for ther- mal-drift-sensitive precision mach - ines, and are an excellent solution for many demanding motion control applications. With this introduction, ETEL broadens its already sizable linear
sink by a constant stream of upward-flowing water that touches only the heat sink. Air knives built into the system dry the heat sink after scanning. The stage of the D9600Z is supplied with var-
ious plates designed to hold common IGBT module configurations. The operation is fully automated; the operator places the module on the stage, closes the door, and pushes a button. The targets of interest include voids in the
solder above the heat sink, the flatness of ceramic plates, and voids in the die attach material. The system can also measure and map the thickness of the solder layer during scanning. The D9600Z is a quick, nondestructive tool to analyze IGBT power modules, which are typically
costly and destined for critical applications. Contact: Sonoscan, Inc., 2149 E. Pratt Blvd.,
Testing heat-sink performance with water plume.
12/5/13 9:16 AM Page 2
Elk Grove Village, IL 60007 % 847-437-6400 fax: 847-437-1550 E-mail:
info@sonoscan.com Web:
www.sonoscan.com
It’s time to High-force linear motor.
motor offering, simultaneously pro- viding a product with substantially higher continuous force than its existing LMG linear motor series. And since the mechanical integration is similar with both series, easy upgrades are now possible. The extension of ETEL’s iron-
core linear motor range opens new application potential in many differ- ent markets, from high-end automa- tion to demanding semiconductor / electronic motion systems. The LMS series can be used in any machines where a high power density is required together with a high dynam- ic for mid-range moving masses. Because of the anti-cogging
design, the new LMS linear motors enable an exceptional peak force den- sity in the magnetic gap, as well as unparalleled thermal efficiency, again important for thermal-drift-
sensitive machines. Contact: Heidenhain Corp., 333
E. State Parkway, Schaumburg, IL 60173 % 847-490-1101 or 877-565- 9151 fax: 847-490-3031 E-mail:
kstoneski@heidenhain.com Web:
www.heidenhain.us or
etelusa.com
Network with the world's top manufacturers, distributors and sales representatives at EDS 2014. Register today at
edsconnects.com.
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