GB1371597A - Bubble domain memory system - Google Patents
Bubble domain memory systemInfo
- Publication number
- GB1371597A GB1371597A GB220773A GB220773A GB1371597A GB 1371597 A GB1371597 A GB 1371597A GB 220773 A GB220773 A GB 220773A GB 220773 A GB220773 A GB 220773A GB 1371597 A GB1371597 A GB 1371597A
- Authority
- GB
- United Kingdom
- Prior art keywords
- domain
- path
- pass
- storage
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005381 magnetic domain Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000008520 organization Effects 0.000 abstract 1
- 229910000889 permalloy Inorganic materials 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/86—Masking faults in memories by using spares or by reconfiguring in serial access memories, e.g. shift registers, CCDs, bubble memories
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0875—Organisation of a plurality of magnetic shift registers
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- Hardware Redundancy (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24902672A | 1972-05-01 | 1972-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1371597A true GB1371597A (en) | 1974-10-23 |
Family
ID=22941730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB220773A Expired GB1371597A (en) | 1972-05-01 | 1973-01-16 | Bubble domain memory system |
Country Status (6)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816264B2 (ja) * | 1974-12-09 | 1983-03-30 | 株式会社日立製作所 | ジキバブルメモリソウチ |
| JPS51118341A (en) * | 1975-04-11 | 1976-10-18 | Hitachi Ltd | Shift register type memory |
| JPS51138344A (en) * | 1975-05-26 | 1976-11-29 | Hitachi Ltd | Memory device |
| US4070651A (en) * | 1975-07-10 | 1978-01-24 | Texas Instruments Incorporated | Magnetic domain minor loop redundancy system |
| JPS5318926A (en) * | 1976-08-06 | 1978-02-21 | Hitachi Ltd | Auxiliary loop switching circuit for magnetic bubble memory unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1181577A (fr) * | 1956-08-23 | 1959-06-17 | Bayer Ag | Appareil mélangeur |
| NL281825A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-08-08 | |||
| GB1010008A (en) * | 1962-04-30 | 1965-11-17 | Inv S Finance Corp | A pressure regulator for injection of a plastic material |
| US3331058A (en) * | 1964-12-24 | 1967-07-11 | Fairchild Camera Instr Co | Error free memory |
| NL149927B (nl) * | 1968-02-19 | 1976-06-15 | Philips Nv | Woordgeorganiseerd geheugen. |
-
1973
- 1973-01-16 GB GB220773A patent/GB1371597A/en not_active Expired
- 1973-01-17 DE DE19732302139 patent/DE2302139A1/de active Pending
- 1973-01-19 IT IT1935373D patent/IT978273B/it active
- 1973-01-23 FR FR7304185A patent/FR2182840B1/fr not_active Expired
- 1973-01-24 CA CA162,351A patent/CA1009367A/en not_active Expired
- 1973-01-29 JP JP48011216A patent/JPS4923546A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2302139A1 (de) | 1973-11-22 |
| IT978273B (it) | 1974-09-20 |
| FR2182840A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-14 |
| JPS4923546A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-02 |
| CA1009367A (en) | 1977-04-26 |
| FR2182840B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5475640A (en) | Method and apparatus for inhibiting a predecoder when selecting a redundant row line | |
| US8004912B2 (en) | Block redundancy implementation in hierarchical rams | |
| US4660179A (en) | Semiconductor memory device with switching for redundant cells | |
| KR950034277A (ko) | 메모리 회로용 리던던시 회로 | |
| GB2209858A (en) | Semiconductor memory with redundant cells | |
| JPH11339492A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| KR880014577A (ko) | 리던던트 저장공간을 갖고 있는 메모리 | |
| GB1371597A (en) | Bubble domain memory system | |
| US2933721A (en) | Gated magnetic recording head | |
| US7411847B2 (en) | Burn in system and method for improved memory reliability | |
| HK106193A (en) | Method and circuit arrangement for the parallel write-in of data in a semiconductor memory | |
| US3017617A (en) | Magnetic transducer | |
| KR950009744A (ko) | 반도체 기억 장치 | |
| JP2001243783A (ja) | 読み出し専用メモリ | |
| US5327381A (en) | Redundancy selection apparatus and method for an array | |
| KR960016500B1 (ko) | 반도체 메모리 장치 | |
| US3750154A (en) | Bubble domain chip arrangement | |
| US3056948A (en) | Magnetic memory circuit | |
| KR920017127A (ko) | 스태이틱형 ram | |
| US3991411A (en) | Single decoder bubble domain chip organization | |
| GB1112495A (en) | Fault tolerant addressing circuit | |
| KR920022311A (ko) | 용장성 디지트 라인 쌍으로 교체한 후에 디지트 라인 쌍이 프리차징되는 것을 방지하기 위한 프리차지 제어 회로를 포함하는 반도체 메모리 디바이스 | |
| US3483541A (en) | Memory protection apparatus | |
| US3480923A (en) | Memory driving circuit | |
| GB1203178A (en) | Information switching and storage circuitry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |