JPS5532209B2 - - Google Patents
Info
- Publication number
- JPS5532209B2 JPS5532209B2 JP14721776A JP14721776A JPS5532209B2 JP S5532209 B2 JPS5532209 B2 JP S5532209B2 JP 14721776 A JP14721776 A JP 14721776A JP 14721776 A JP14721776 A JP 14721776A JP S5532209 B2 JPS5532209 B2 JP S5532209B2
- Authority
- JP
- Japan
- 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
Classifications
-
- 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
- G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
- G11C19/0816—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using a rotating or alternating coplanar magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/20—Ferrites
- H01F10/24—Garnets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/645,737 US4070658A (en) | 1975-12-31 | 1975-12-31 | Ion implanted bubble propagation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5285399A JPS5285399A (en) | 1977-07-15 |
| JPS5532209B2 true JPS5532209B2 (enExample) | 1980-08-23 |
Family
ID=24590268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14721776A Granted JPS5285399A (en) | 1975-12-31 | 1976-12-09 | Ionninplanted bubble propagation structure |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4070658A (enExample) |
| JP (1) | JPS5285399A (enExample) |
| CA (1) | CA1068830A (enExample) |
| DE (1) | DE2655572A1 (enExample) |
| FR (1) | FR2337399A1 (enExample) |
| GB (1) | GB1555686A (enExample) |
| IT (1) | IT1070008B (enExample) |
| NL (1) | NL7613123A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5393807A (en) * | 1977-01-28 | 1978-08-17 | Hitachi Ltd | Guide drum for magnetic tape |
| US4128895A (en) * | 1977-05-31 | 1978-12-05 | International Business Machines Corporation | Magnetic wall assisted bubble domain nucleator |
| US4174540A (en) * | 1977-06-30 | 1979-11-13 | International Business Machines Corporation | Bubble domain transfer switches |
| US4264985A (en) * | 1978-05-08 | 1981-04-28 | Rockwell International Corporation | Continuous propagation structures |
| US4308592A (en) * | 1979-06-29 | 1981-12-29 | International Business Machines Corporation | Patterned kill of magnetoresistive layer in bubble domain chip |
| US4357683A (en) * | 1979-10-29 | 1982-11-02 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory with ion-implanted layer |
| JPS5687286A (en) * | 1979-12-17 | 1981-07-15 | Fujitsu Ltd | Magnetic bubble element |
| US4330848A (en) * | 1980-03-10 | 1982-05-18 | International Business Machines Corporation | Charged wall amorphous magnetic layers |
| JPS5869498A (ja) * | 1981-10-19 | 1983-04-25 | Yaskawa Electric Mfg Co Ltd | 巻線形誘導電動機の制御方法および装置 |
| JPS5896705A (ja) * | 1981-12-04 | 1983-06-08 | Hitachi Ltd | 磁気バブルメモリ素子 |
| FR2529369A1 (fr) * | 1982-06-29 | 1983-12-30 | Commissariat Energie Atomique | Memoire a bulles magnetiques a motifs non implantes, son utilisation pour la duplication de bulles et son application a la duplication par element binaire et par bloc d'elements binaires |
| JPS59172190A (ja) * | 1983-03-22 | 1984-09-28 | Hitachi Ltd | 磁気バブルメモリチツプ |
| KR940004986B1 (ko) * | 1984-08-27 | 1994-06-09 | 가부시기가이샤 히다찌세이사꾸쇼 | 자성막의 제조방법 및 그것을 사용한 자기헤드 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828329A (en) * | 1972-07-24 | 1974-08-06 | Bell Telephone Labor Inc | Single wall domain propagation arrangement |
| US3996572A (en) * | 1973-12-27 | 1976-12-07 | International Business Machines Corporation | Very high density gapless propagation structure for bubble domains |
| US3967002A (en) * | 1974-12-31 | 1976-06-29 | International Business Machines Corporation | Method for making high density magnetic bubble domain system |
| US3996573A (en) * | 1975-04-21 | 1976-12-07 | Texas Instruments Incorporated | Bubble propagation circuits and formation thereof |
-
1975
- 1975-12-31 US US05/645,737 patent/US4070658A/en not_active Expired - Lifetime
-
1976
- 1976-09-30 GB GB40690/76A patent/GB1555686A/en not_active Expired
- 1976-11-25 NL NL7613123A patent/NL7613123A/xx not_active Application Discontinuation
- 1976-11-29 FR FR7636409A patent/FR2337399A1/fr active Granted
- 1976-12-08 DE DE19762655572 patent/DE2655572A1/de not_active Withdrawn
- 1976-12-09 JP JP14721776A patent/JPS5285399A/ja active Granted
- 1976-12-21 IT IT30664/76A patent/IT1070008B/it active
- 1976-12-24 CA CA268,718A patent/CA1068830A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1070008B (it) | 1985-03-25 |
| GB1555686A (en) | 1979-11-14 |
| NL7613123A (nl) | 1977-07-04 |
| JPS5285399A (en) | 1977-07-15 |
| US4070658A (en) | 1978-01-24 |
| DE2655572A1 (de) | 1977-07-14 |
| FR2337399B1 (enExample) | 1980-10-24 |
| FR2337399A1 (fr) | 1977-07-29 |
| CA1068830A (en) | 1979-12-25 |