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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0747053 (1991-08-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 468 인용 특허 : 0 |
A solid state, directly overwritable, electronic, non-volatile, high density, low cost, low energy, high speed, readily manufacturable, multibit single cell memory based upon phenomenologically novel electrical switching characteristics provided by a unique class of semiconductor materials in unique
A solid state, directly overwritable, electronic, non-volatile, high density, low cost, low energy, high speed, readily manufacturable, multibit single cell memory based upon phenomenologically novel electrical switching characteristics provided by a unique class of semiconductor materials in unique configurations, which memory exhibits orders of magnitude higher switching speeds at remarkably reduced energy levels. The novel memory of the instant invention is characterized, inter alia, by numerous stable and truly non-volatile detectable configurations of local atomic and/or electronic order, which can be selectively and repeatably accessed by electrical input signals of varying pulse voltage and duration.
An electrically operated, directly overwritable, multibit, single-cell memory element comprising: a volume of memory material defining a single cell memory element, said memory material constituting means for assuming a large dynamic range of electrical resistance values with the ability to be set d
An electrically operated, directly overwritable, multibit, single-cell memory element comprising: a volume of memory material defining a single cell memory element, said memory material constituting means for assuming a large dynamic range of electrical resistance values with the ability to be set directly to one of a plurality of resistance values within said dynamic range without the need to be set to a specific starting or erased resistance value, regardless of the previous resistance value of said material in response to a selected electrical input signal so as to provide said single cell with multibit storage capabilities; and a pair of spacedly disposed contacts for supplying said electrical input signal to set said memory material to a selected resistance value within said dynamic range.
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