Why should there be an interest in Package Assembly Design Kits (PADK) today? For the most part, it is due to the advancement in the accumulation of files forming the PADK now offering a customized ...

A number of years ago, the packages of electronic systems were only intended to protect the circuit from mechanical stresses and to realize a simple fan-out from the close spacing of connections on ...

"It's not the type of problem you encounter if you used concrete segments," adds Rehak. Along with ring beams, a lining composed of lagging and wire mesh will minimize joints once crews solidify the ...

The forward shell and sections of the cutterhead were first to arrive. Later came motors, hydraulic cylinders and other parts that were scavenged from other tunneling machines around the world. Some ...