If something is so small you can’t see it, how do you make it? Find out how things are manufactured on the nanoscale when Ira Ungerleider, writer/producer, asks Nanoscientist Rita Blaik….(read more)

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Manufacturing things on the nanoscale is an incredible feat that only a handful of scientists and engineers around the world have mastered. The question of how you do it is one that is still asked by many people, particularly those who are interested in the field of nanotechnology.

The nanoscale refers to materials and structures that are extremely small, typically less than 100 nanometers in size. At this scale, materials exhibit different properties compared to their larger counterparts, which can be used to create innovative devices and structures for various applications.

To manufacture things on the nanoscale, scientists and engineers use a range of methods, such as lithography, deposition, and etching. These methods involve manipulating and controlling the properties of materials at the atomic and molecular scale, which can be challenging and requires specialized expertise and equipment.

Lithography is perhaps one of the most widely used methods for manufacturing nanoscale devices. Here, a pattern is created on a substrate using light or electrons. This pattern can then be transferred to a thin layer of material using chemical etching or other techniques, resulting in the creation of a dense array of nanoscale features.

Another method used for nanomanufacturing is deposition, where a thin layer of material is deposited onto a substrate using various techniques, including molecular beam epitaxy and chemical vapor deposition. This method allows scientists to control the thickness and composition of the deposited material, enabling precise control of the properties of the resulting nanoscale structure.

Etching is a technique that is used to remove material from a substrate using chemical or physical processes. This method is often used to create complex patterns on a substrate or to remove unwanted material from a material surface.

Overall, manufacturing things on the nanoscale requires a vast amount of knowledge, skill, and expertise. It also requires specialized equipment and techniques that can manipulate materials at the atomic and molecular scale. Nevertheless, advances in nanotechnology have paved the way for significant advancements in various fields, including medicine, electronics, and energy, and are poised to take humanity into a new age of discovery and innovation.