...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 8153207 | Fine particle-containing body, fine particle-containing body manufacturing method, storage element, semiconductor device and electronic equipment A silicon oxide of a film thickness of about 50 nm is formed on a surface of a silicon substrate by thermal oxidation. Silver is implanted into the silicon oxide with implantation energy of about 30 keV by a negative ion implantation method. By subjecting the silico... | 04/10/2012 |
| 7879704 | Memory function body, particle forming method therefor and, memory device, semiconductor device, and electronic equipment having the memory function body A memory function body has a medium interposed between a first conductor (e.g., a conductive substrate) and a second conductor (e.g., an electrode) and consisting of a first material (e.g., silicon oxide or silicon nitride). The medium contains particles. Each parti... | 02/01/2011 |
| 7332765 | Variable resistance functional body and storage device A variable resistance functional body has an insulator interposed between a first electrode and a second electrode and interposed between a third electrode and a fourth electrode. The insulator contains a plurality of conductive particles. The conductive particles a... | 02/19/2008 |
| 7030456 | Resistance-changing function body, memory element, manufacturing method therefor, memory device, semiconductor device and electronic equipment A memory function body 113, which includes a plurality of silver particles 103 covered with silver oxide 104, is interposed between a first electrode 300 and a second electrode 411. A magnitude of a current through the memory funct... | 04/18/2006 |