Acc.#2003.0029
Proctor-McGinnes Donation

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An Introduction:

"Organic Semiconductor (I/O), 1973 a melanin (polyacetylenes) bistable switch."

"The melanins are polyacetylenes and vice versa. Most, if not all, subsequent organic electronic devices technically use some polyacetylene as their active element. This device is their immediate ancestor. The next organic active device we can find in the scientific literature appears roughly eight years later. Three decades ago, pigment cell researchers were nearly the only scientists working on the electronic properties of the polyacetylenes. Similarly, Dr. McGinness has a PhD in Solid State Physics. This is why the putative earliest active organic electronic device comes from a cancer hospital, although Dr. McGinness' subsequent development of batteries [was] based on this technology [and] closely parallels that of main-line semiconductor physics."

Peter H. Proctor

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Additional Reference Material: SCIENTIFIC AMERICAN August 2004

BY: Graham P. Collins - ORGANIC SEMICONDUCTOR devices can make more than just bendable displays. They will find use in wearable electronics, chemical sensors, skin for robots and innumerable other applications.

Overview - Plastic Electronics

  • Plastics have long formed the skeletons and skin of products, whereas silicon has supplied the brains. With the advent of polymer and crystalline organic electronics, plastics will make up the brains as well as the brawn.


  • Plastic chips may never be as fast or as miniaturized as silicon chips, but their production by convenient techniques, including ink-jet printing, promises extremely cheap devices that could become ubiquitous in consumer products and household appliances.


  • Potential uses include information displays for appliances and computers, electronic paper, radiofrequency identification tags, wearable electronics, chemical sensors and pressure-sensitive skin for robots.

For general reference only. The National Museum of American History and the
Smithsonian Institution make no claims as to the accuracy or completeness of these references.





National Museum of American History


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