Diamond Mechanosynthesis

Diamond is a crystalline form of carbon that is generally known as the strongest substance. “Diamonoid” materials include crystalline forms of carbon and other similar elements (silicon, germanium, aluminum, and more) that exhibit similar strong three dimensional bonds and strength characteristics. Carbon nanotubes, some forms of silicon based ceramics, and sapphire are included in this group. Creating nano-tools out of these substances that will be stronger than most other materials is considered a stepping stone toward advanced nano-manufacturing.

Chemical synthesis normally involves mixing substances together that use random motion, often induced by thermal reactions, to combine elements into new forms. Mechanosythesis, also known as “molecular positional fabrication” involves using precise mechanical forces as restraints in creating chemical bonds instead of random mixing. Diamond mechanosynthesis uses this process to create diamonoid structures.

The first US patent for Diamond Mechanosynthesis was recently granted to Robert Freitas and Zyvex Labs.


Introduction to Diamond Mechanosynthesis (DMS) – [molecularassembler.com]

Diamond mechanosynthesis (DMS), or molecular positional fabrication, is the formation of covalent chemical bonds using precisely applied mechanical forces to build diamondoid structures. DMS may be automated via computer control, enabling programmable molecular positional fabrication.

Molecularly precise fabrication involves holding feedstock atoms or molecules, and a growing nanoscale workpiece, in the proper relative positions and orientations so that when they touch they will join together in the desired manner.

In this process, a mechanosynthetic tool will be brought up to the surface of a workpiece. One or more transfer atoms are added to, or removed from, the workpiece by the tool. Then the tool is withdrawn and recharged. This process is repeated until the workpiece (e.g., a growing nanopart) is completely fabricated to molecular precision with each atom in exactly the right place. Note that the transfer atoms are under positional control* at all times to prevent unwanted side reactions from occurring.

Nanofactory Collaboration – [molecularassembler.com]

What is a Nanofactory?
The nanofactory is a proposed compact molecular manufacturing system, possibly small enough to sit on a desktop, that could build a diverse selection of large-scale molecularly precise diamondoid products. The nanofactory is potentially a high quality, extremely low cost, and very flexible manufacturing system.

The principal input to a diamondoid nanofactory is simple hydrocarbon feedstock molecules such as natural gas, propane, or acetylene. Small supplemental amounts of a few other simple molecules containing trace atoms of chemical elements such as oxygen, nitrogen or silicon may also be required.

The nanofactory must be provided with electrical power and a means for cooling the working unit.

The principal output of the first commercial nanofactory will be macroscale quantities of molecularly precise diamondoid products. These products may include nanocomputers, medical nanorobots, products having diverse aerospace and defense applications, devices for cheap energy production and environmental remediation, and a cornucopia of new and improved consumer products. Earlier-generation research nanofactories will produce substantially less complex products but will provide an evolutionary pathway leading from the first simple DMS workstations to more mature commercial systems.

The nanofactory is a molecular manufacturing system employing controlled molecular assembly that will make possible the creation of fundamentally novel products having the intricate complexity currently found only in biological systems, but operating with greater speed, power, reliability, and, most importantly, entirely under human control. Molecular manufacturing has the potential to be extremely clean, efficient, and inexpensive.

Molecular Manufacturing – [imm.org]

Molecular manufacturing is a future technology that will allow us to build large objects to atomic precision, quickly and cheaply, with virtually no defects. Robotic mechanisms will position and react molecules to build systems to complex atomic specification. The theoretical capabilities and performance of these systems have been analyzed for over fifteen years, molecular machine components are being built now, and molecular manufacturing could mature within the next ten years. When it becomes available, it will enable immensely powerful computers, abundant and high quality consumer goods, and devices able to cure diseases by repairing the body at the molecular level.

Atomically Precise Manufacturing
Feynman Path

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