Neuralink's Brain-Computer Interface (BCI) is a neurotechnology that enables direct communication between the human brain and computers. It involves implanting microscopic electrodes into the brain to detect and interpret neural activity, as well as to deliver electrical stimulation.
The BCI addresses the need for more precise and non-invasive methods in medical procedures involving the central nervous system, particularly in areas like neurorehabilitation, treatment of neurological disorders, and advanced prosthetics.
The BCI system consists of microelectrodes implanted in specific regions of the brain, which can record or stimulate neural signals. These signals are then transmitted wirelessly to an external device for processing and interpretation. The technology allows for real-time monitoring and manipulation of brain activity, enabling applications such as neurosurgery assistance, prosthetic control, and even direct brain-computer interaction.
Manufacturing involves the design and fabrication of microelectrodes, which require high precision and biocompatibility. The process includes material selection, electrode design, fabrication, packaging, and sterilization to ensure safety and efficacy.
The build process starts with designing the microelectrode arrays using advanced computational models. These designs are then fabricated through microfabrication techniques such as photolithography and etching. After assembly, the devices undergo rigorous testing for electrical performance, biocompatibility, and mechanical stability before being sterilized and packaged.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking. Long-term implantable devices are designed to be power-efficient with some requiring external charging via inductive coupling or wireless charging systems.
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