发明名称 |
Bubble lattice files with selected access channel positioning |
摘要 |
A bubble lattice file has plural access channels, each access channel providing access to a bubble column aligned therewith for reading and/or writing in the aligned column. At least some of the access channels are spaced from a common reference by distances which for adjacent channels have substantially constant ratio, i.e., at least some adjacent access channels are spaced in a substantially geometric progression.
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申请公布号 |
US4139904(A) |
申请公布日期 |
1979.02.13 |
申请号 |
US19770811752 |
申请日期 |
1977.06.30 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
CHANDRA, ASHOK K.;WONG, CHAK-K. |
分类号 |
G11C11/14;G11C19/08;(IPC1-7):G11C19/08 |
主分类号 |
G11C11/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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