In e-beam lithography, or EBL, shapes are drawn onto a wafer using an electron beam in a vacuum chamber. This is a slow process compared to optical lithography, as used in mass production ...

Abstract: This paper describes the electron optics of a practical scanning electron-beam lithographic system (EL1) that provides high-volume direct wafer exposure. The throughput limitation inherent ...

Most of the paper goes into detail about this, focusing on relativistic electron beams. This mission concept, known as Sunbeam, would use just such a beam. Utilizing electrons traveling at such ...

If you have an older upright vacuum, then you know that while they can be pretty powerful, they are also very unwieldy and can be a pain to use. They also lack some features you’d find on modern ...

When you buy through our links, we may earn a commission. Learn more› by Sabine Heinlein Robot vacuums never get bored or tired, so with little effort on your part, they can keep your floors ...

Here’s how it works. The best vacuum cleaner will suck up dirt and debris in no time and be powerful enough to make light work of tough tasks. Not only should they keep your floors spotless ...

Robot vacuums can handle everything from wet to dry messes, carpet to tile, and do it all without you needing to touch a spec of dirt.

Table of Contents Best Dyson cordless vacuum deals Best Shark cordless vacuum deals Other cordless vacuum deals we like How to choose the right cordless vacuum While traditional corded vacuums are ...

An industry behemoth for a reason, Dyson always sets the tone for appliance innovation, and its most recent vacuum is its latest example. The Dyson Car+Boat Handheld Vacuum, which launches today ...