Ikeda et al., 2007 - Google Patents

Classifications

• • 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
  • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
• • 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
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
  • H01L27/22—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using galvano-magnetic effects, e.g. Hall effects; using similar magnetic field effects
  • H01L27/222—Magnetic non-volatile memory structures, e.g. MRAM
  • H01L27/226—Magnetic non-volatile memory structures, e.g. MRAM comprising multi-terminal components, e.g. transistors
  • H01L27/228—Magnetic non-volatile memory structures, e.g. MRAM comprising multi-terminal components, e.g. transistors of the field-effect transistor type
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H01L43/00—Devices using galvano-magnetic or similar magnetic effects; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
  • H01L43/08—Magnetic-field-controlled resistors
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H01L43/00—Devices using galvano-magnetic or similar magnetic effects; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
  • H01L43/02—Details
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H01L43/00—Devices using galvano-magnetic or similar magnetic effects; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
  • H01L43/12—Processes or apparatus peculiar to the manufacture or treatment of these devices or of parts thereof
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F10/00—Thin magnetic films, e.g. of one-domain structure
  • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
  • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
  • H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift register stack stores, push-down stores
  • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift register stack stores, push-down stores using magnetic elements
  • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift register stack stores, push-down stores using magnetic elements using thin films in plane structure

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