发明名称 |
Magnetic bubble memory device and method of fabricating the same |
摘要 |
A magnetic bubble memory device and a method of fabricating the device are disclosed in which a conductor pattern lies at least between a film for maintaining magnetic bubbles therein, and a soft magnetic material pattern. Further, the magnetic bubble memory device can be formed precisely without suffering from errors due to mask alignment, by employing a mask provided with a plurality of patterns which are different in transmittance.
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申请公布号 |
US4344153(A) |
申请公布日期 |
1982.08.10 |
申请号 |
US19790029933 |
申请日期 |
1979.04.13 |
申请人 |
HITACHI, LTD. |
发明人 |
NISHIDA, HIDEKI;YAMADA, HIROZI;UMEZAKI, HIROSHI;SUGITA, YUTAKA;TSUMITA, NORIKAZU |
分类号 |
G11C11/14;G11C19/08;H01F10/06;H01F41/34;(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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