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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0373932 (2006-03-13) |
등록번호 | US8053812 (2011-10-25) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 3 인용 특허 : 488 |
A method for fabricating a non-volatile memory array includes placing contacts over bit lines in a self-aligned manner. The placing includes forming self-aligned contact holes bounded by a second insulating material resistant to the removal of a first insulating material previously deposited over th
A method for fabricating a non-volatile memory array includes placing contacts over bit lines in a self-aligned manner. The placing includes forming self-aligned contact holes bounded by a second insulating material resistant to the removal of a first insulating material previously deposited over the bit lines, and depositing contact material, wherein the second insulating material blocks effusion of the contact material beyond the contact holes. The distance between neighboring bit lines in the array does not include a margin for contact misalignment.
What is claimed is: 1. A non-volatile memory (“NVM”) device comprising:a set of non-volatile memory cells disposed between and above two diffusion bit-lines, wherein at least one of the diffusion bit-lines is partially covered and in contact with a first insulator material and also partially covered
What is claimed is: 1. A non-volatile memory (“NVM”) device comprising:a set of non-volatile memory cells disposed between and above two diffusion bit-lines, wherein at least one of the diffusion bit-lines is partially covered and in contact with a first insulator material and also partially covered and in contact with a second insulator material, wherein the first and second insulator materials are different; an etched contact hole passing from a top surface of the first insulator material through to the at least one of the diffusion bit-lines, wherein the etched contact hole is formed by using an etching agent with which the second insulator material substantially does not react; a first set of word-lines, wherein each of the word-lines in the first set is disposed across a group of adjacent cells; and, a second set of word-lines parallel to the first set of word-lines, wherein there is spacing between the first and second sets of word-lines which does not include any word-lines, wherein the etched contact hole is located within the spacing between the first and second sets of word-lines.
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