IT1051785B - Procedimento per la fabbricazione di un sistema a domini magnetici a bolle di elevata densita - Google Patents
Procedimento per la fabbricazione di un sistema a domini magnetici a bolle di elevata densitaInfo
- Publication number
- IT1051785B IT1051785B IT29893/75A IT2989375A IT1051785B IT 1051785 B IT1051785 B IT 1051785B IT 29893/75 A IT29893/75 A IT 29893/75A IT 2989375 A IT2989375 A IT 2989375A IT 1051785 B IT1051785 B IT 1051785B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- high density
- magnetic domain
- domain system
- Prior art date
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
-
- 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
- G11C19/0858—Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")
-
- 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
- G11C19/0866—Detecting magnetic domains
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
- H01F41/34—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film in patterns, e.g. by lithography
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Magnetic Films (AREA)
- Magnetic Heads (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/537,797 US3967002A (en) | 1974-12-31 | 1974-12-31 | Method for making high density magnetic bubble domain system |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1051785B true IT1051785B (it) | 1981-05-20 |
Family
ID=24144129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29893/75A IT1051785B (it) | 1974-12-31 | 1975-12-02 | Procedimento per la fabbricazione di un sistema a domini magnetici a bolle di elevata densita |
Country Status (7)
Country | Link |
---|---|
US (1) | US3967002A (it) |
JP (1) | JPS5631675B2 (it) |
CA (1) | CA1071759A (it) |
DE (1) | DE2553754A1 (it) |
FR (1) | FR2296911A1 (it) |
GB (1) | GB1516887A (it) |
IT (1) | IT1051785B (it) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921157A (en) * | 1974-03-27 | 1975-11-18 | Monsanto Co | Nonuniform spacing layer for magnetic bubble circuits |
US4040019A (en) * | 1974-08-23 | 1977-08-02 | Texas Instruments Incorporated | Ion implanted magnetic bubble memory device having major and minor rows |
US4079359A (en) * | 1975-11-03 | 1978-03-14 | Rockwell International Corporation | Compact transfer replicate switch for magnetic single wall domain propagation circuits and method of making same |
US4172758A (en) * | 1975-11-07 | 1979-10-30 | Rockwell International Corporation | Magnetic bubble domain device fabrication technique |
US4070658A (en) * | 1975-12-31 | 1978-01-24 | International Business Machines Corporation | Ion implanted bubble propagation structure |
GB1527005A (en) * | 1975-12-31 | 1978-10-04 | Ibm | Method and apparatus for magnetic bubble storage |
US4142250A (en) * | 1976-12-30 | 1979-02-27 | International Business Machines Corporation | Bubble translation switch using magnetic charged wall |
US4142249A (en) * | 1977-12-06 | 1979-02-27 | Bell Telephone Laboratories, Incorporated | Conductor-access, magnetic bubble memory |
US4142247A (en) * | 1977-12-06 | 1979-02-27 | Bell Telephone Laboratories, Incorporated | Conductor-driven magnetic bubble memory with an expander-detector arrangement |
US4143420A (en) * | 1977-12-06 | 1979-03-06 | Bell Telephone Laboratories Incorporated | Conductor-access, magnetic bubble memory |
US4143419A (en) * | 1977-12-06 | 1979-03-06 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory with single level electrically-conducting, drive arrangement |
GB2044027B (en) * | 1977-12-06 | 1982-06-03 | Western Electric Co | Conductor access bubble memory |
US4187553A (en) * | 1977-12-23 | 1980-02-05 | International Business Machines Corporation | Pedestal bubble domain chip and processes for making same |
US4164026A (en) * | 1977-12-30 | 1979-08-07 | International Business Machines Corporation | Contiguous element field access bubble lattice file |
US4181978A (en) * | 1978-04-24 | 1980-01-01 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory with expander-detector arrangement |
US4264985A (en) * | 1978-05-08 | 1981-04-28 | Rockwell International Corporation | Continuous propagation structures |
US4181979A (en) * | 1978-06-12 | 1980-01-01 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory with single-level bubble functional elements |
JPS554792A (en) * | 1978-06-27 | 1980-01-14 | Ibm | Magnetic bubble domain memory device |
US4247912A (en) * | 1978-11-13 | 1981-01-27 | International Business Machines Corporation | Magnetic bubble domain chip with enhanced propagation margins |
JPS55153189A (en) * | 1979-05-17 | 1980-11-28 | Fujitsu Ltd | Manufacture of magnetic bubble unit |
US4308592A (en) * | 1979-06-29 | 1981-12-29 | International Business Machines Corporation | Patterned kill of magnetoresistive layer in bubble domain chip |
US4276614A (en) * | 1979-12-03 | 1981-06-30 | Bell Telephone Laboratories, Incorporated | Ion-implanted magnetic bubble memory with merge port |
JPS5680876A (en) * | 1979-12-03 | 1981-07-02 | Fujitsu Ltd | Magnetic bubble memory chip |
FR2480983A1 (fr) * | 1980-04-18 | 1981-10-23 | Commissariat Energie Atomique | Memoire a bulles magnetiques |
US4345317A (en) * | 1980-07-25 | 1982-08-17 | Bell Telephone Laboratories, Incorporated | Magnetic domain memory with Hall effect detector |
US4358830A (en) * | 1980-08-25 | 1982-11-09 | National Semiconductor Corporation | Bubble memory with enhanced bit density storage area |
US4403305A (en) * | 1980-12-22 | 1983-09-06 | International Business Machines Corporation | Non-data reversing bubble transfer switch for contiguous disks |
JPS57170510A (en) * | 1981-04-15 | 1982-10-20 | Hitachi Ltd | Method of ion implantation |
JPS58142510A (ja) * | 1982-02-19 | 1983-08-24 | Hitachi Ltd | 磁気バブル素子の製造方法 |
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 |
JPS5956389U (ja) * | 1982-10-05 | 1984-04-12 | トキコ株式会社 | パツケ−ジ型圧縮機 |
KR940004986B1 (ko) * | 1984-08-27 | 1994-06-09 | 가부시기가이샤 히다찌세이사꾸쇼 | 자성막의 제조방법 및 그것을 사용한 자기헤드 |
FR2582436B1 (fr) * | 1985-05-21 | 1989-09-15 | Commissariat Energie Atomique | Generateur de bulles magnetiques pour memoire a bulles en technologie hybride |
US6383574B1 (en) * | 1999-07-23 | 2002-05-07 | Headway Technologies, Inc. | Ion implantation method for fabricating magnetoresistive (MR) sensor element |
US6864042B1 (en) | 2000-07-25 | 2005-03-08 | Seagate Technology Llc | Patterning longitudinal magnetic recording media with ion implantation |
US9685186B2 (en) * | 2009-02-27 | 2017-06-20 | Applied Materials, Inc. | HDD pattern implant system |
SG10201401235YA (en) * | 2009-04-10 | 2014-09-26 | Applied Materials Inc | Use special ion source apparatus and implant with molecular ions to process hdd (high density magnetic disks) with patterned magnetic domains |
WO2013077952A1 (en) * | 2011-11-23 | 2013-05-30 | Applied Materials, Inc. | Apparatus and methods for silicon oxide cvd photoresist planarization |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3728153A (en) * | 1970-12-21 | 1973-04-17 | North American Rockwell | Method of forming bubble domain system |
NL170901C (nl) * | 1971-04-03 | 1983-01-03 | Philips Nv | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. |
US3792452A (en) * | 1971-06-10 | 1974-02-12 | Bell Telephone Labor Inc | Magnetic devices utilizing ion-implanted magnetic materials |
US3873373A (en) * | 1972-07-06 | 1975-03-25 | Bryan H Hill | Fabrication of a semiconductor device |
US3828329A (en) * | 1972-07-24 | 1974-08-06 | Bell Telephone Labor Inc | Single wall domain propagation arrangement |
JPS532301B2 (it) * | 1973-03-28 | 1978-01-26 |
-
1974
- 1974-12-31 US US05/537,797 patent/US3967002A/en not_active Expired - Lifetime
-
1975
- 1975-10-03 GB GB40520/75A patent/GB1516887A/en not_active Expired
- 1975-10-20 CA CA238,108A patent/CA1071759A/en not_active Expired
- 1975-11-05 JP JP13221375A patent/JPS5631675B2/ja not_active Expired
- 1975-11-28 FR FR7536912A patent/FR2296911A1/fr active Granted
- 1975-11-29 DE DE19752553754 patent/DE2553754A1/de not_active Withdrawn
- 1975-12-02 IT IT29893/75A patent/IT1051785B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS5631675B2 (it) | 1981-07-22 |
FR2296911B1 (it) | 1978-05-12 |
JPS5180729A (it) | 1976-07-14 |
CA1071759A (en) | 1980-02-12 |
US3967002A (en) | 1976-06-29 |
GB1516887A (en) | 1978-07-05 |
FR2296911A1 (fr) | 1976-07-30 |
DE2553754A1 (de) | 1976-07-08 |
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