SE411969B - Anordning for lagring av digital information i form av magnetiska domener - Google Patents

Anordning for lagring av digital information i form av magnetiska domener

Info

Publication number
SE411969B
SE411969B SE7609005A SE7609005A SE411969B SE 411969 B SE411969 B SE 411969B SE 7609005 A SE7609005 A SE 7609005A SE 7609005 A SE7609005 A SE 7609005A SE 411969 B SE411969 B SE 411969B
Authority
SE
Sweden
Prior art keywords
storage
digital information
magnetic domains
domains
magnetic
Prior art date
Application number
SE7609005A
Other languages
English (en)
Swedish (sv)
Other versions
SE7609005L (sv
Inventor
J Haisma
Mierloo K L L Van
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of SE7609005L publication Critical patent/SE7609005L/xx
Publication of SE411969B publication Critical patent/SE411969B/xx

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
    • G11C19/0858—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
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
    • 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
    • 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
    • G11C19/0808—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
    • G11C19/0833—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 magnetic domain interaction
    • 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
    • G11C19/0841—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 electric current
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/45—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices
    • H03K3/455—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices using thin films

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Hall/Mr Elements (AREA)
  • Thin Magnetic Films (AREA)
  • Mram Or Spin Memory Techniques (AREA)
SE7609005A 1975-08-15 1976-08-12 Anordning for lagring av digital information i form av magnetiska domener SE411969B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7509733A NL7509733A (nl) 1975-08-15 1975-08-15 Inrichting voor magnetische domeinen volgens een dichte pakking.
US71294876A 1976-08-09 1976-08-09
US05/919,466 US4218762A (en) 1975-08-15 1978-06-27 Device for close-packed magnetic domains

Publications (2)

Publication Number Publication Date
SE7609005L SE7609005L (sv) 1977-02-16
SE411969B true SE411969B (sv) 1980-02-11

Family

ID=27351978

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7609005A SE411969B (sv) 1975-08-15 1976-08-12 Anordning for lagring av digital information i form av magnetiska domener

Country Status (9)

Country Link
US (1) US4218762A (fr)
JP (1) JPS5237732A (fr)
BE (1) BE845198A (fr)
CA (1) CA1083712A (fr)
DE (1) DE2635603A1 (fr)
FR (1) FR2321172A1 (fr)
GB (1) GB1559299A (fr)
NL (1) NL7509733A (fr)
SE (1) SE411969B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7905543A (nl) * 1979-07-17 1981-01-20 Philips Nv Geheugen met stroombestuurde serie/parallelomzetting van magnetische beldomeinen.
NL8102284A (nl) * 1981-05-11 1982-12-01 Philips Nv Stroombestuurd magnetisch domein geheugen.
DE3139487A1 (de) * 1981-10-03 1983-04-21 Philips Patentverwaltung Gmbh, 2000 Hamburg "verfahren zum herstellen einer magnetischen speicherschicht"
US5978135A (en) * 1999-05-03 1999-11-02 Lucent Technologies Inc. Article comprising a variable optical attenuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996571A (en) * 1974-03-08 1976-12-07 International Business Machines Corporation Double layer bubble domain lattice system
US4151602A (en) * 1975-04-02 1979-04-24 U.S. Philips Corporation Magnetic bubble multilayer arrangement

Also Published As

Publication number Publication date
SE7609005L (sv) 1977-02-16
NL7509733A (nl) 1977-02-17
JPS5718273B2 (fr) 1982-04-15
DE2635603A1 (de) 1977-02-17
BE845198A (fr) 1977-02-14
FR2321172A1 (fr) 1977-03-11
FR2321172B1 (fr) 1979-06-29
JPS5237732A (en) 1977-03-23
CA1083712A (fr) 1980-08-12
GB1559299A (en) 1980-01-16
US4218762A (en) 1980-08-19

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