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Class 365/36 - Ion implantation


Subclass of Class 365 - Static information storage and retrieval
Definition: Subject matter where the guide structure is formed by ion
No. of patents: 125
Last issue date: 10/21/2003


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NumberTitleIssue Date
6636433Electronic device and recording method using the same
An electronic device of the present invention includes a memory core formed on an insulative substrate and implemented by a substance that performs, when a current flows therethrough, electromigration and varies in at least part of its shape or at least p...
10/21/2003
6252797Masked ROM and manufacturing process therefor
A masked ROM of a flat cell structure has a plurality of bit-line diffusion layers formed in parallel in one direction in a semiconductor. substrate, a plurality of word lines formed on the bit-line diffusion layers orthogonally to the bit-line diffusion ...
06/26/2001
4974200Method of transferring Bloch lines in the domain wall of a magnetic domain, and a magnetic memory using the method
A method of transferring Bloch lines present in a domain wall of a magnetic domain formed in a thin magnetic firm, includes cyclically forming asymmetrical potential wells along the domain wall in order to locate the Bloch lines at predetermined positions...
11/27/1990
4974201Process for transferring bloch lines formed in a magnetic wall of a magnetic domain, and a magnetic memory apparatus for recording and reproduction of information by transferring bloch lines in utilizing said transferring process
A process for transferring Bloch lines formed in a magnetic wall of a magnetic domain and a magnetic memory apparatus for recording/reproducing information in utilizing Bloch lines formed in the magnetic wall of the magnetic domain as a information carrie...
11/27/1990
4912673Detection system for a magnetic bubble memory in hybrid technology
Magnetic bubble memory in hybrid technology using rows of chevron patterns. The memory detection system has an active detection zone (4) constituted by rows of chevrons, in order to stretch into the form of a strip the bubbles from a propagation path (2),...
03/27/1990
4881198Duplicator in a magnetic bubble memory and process for duplicating bubbles therein
A duplicator in a magnetic bubble memory with non-implanted patterns, a process for realizing the duplicator and a serial - parallel magnetic bubble memory having at least one of the aforementioned duplicators are disclosed. In a magnetic bubble memory ha...
11/14/1989
4837741Magnetic bubble memory device
In a magnetic bubble memory device in which a major line and minor loops are constituted by ion-implanted tracks, a gate is constituted having two functions, i.e., having a replicate function and a pseudo swap function using conductor patterns of two laye...
06/06/1989
4811286Magnetic bubble memory device
A magnetic bubble memory has a reading zone with thin detection elements, coated with an insulating layer which carries thick bubble propagation patterns of high magnetic permeability material, and a bubble stretching zone also including thick propagation...
03/07/1989
4791605Hybrid junction for a magnetic bubble memory
A magnetic bubble memory, in which the PI junction between a first propagation track defined by deposited patterns and a second propagation track defined by the boundary between an implanted zone and a non-implanted zone is defined by an overlap between s...
12/13/1988
4773054Magnetic bubble memory with a hybrid junction
A bubble memory with a hybrid junction formed between a first propagation track defined by a boundary between an implanted area and a non-implanted area and a second propagation track defined by a sequence of deposited patterns. The overlap zone between t...
09/20/1988
4769783Magnetic bubble memory device
In a magnetic bubble memory device employing ion-implanted tracks as minor loops for data storage, there is proposed a magnetic bubble memory element employing a minor loop having a folded structure and a turn composed of three tips formed convexly toward...
09/06/1988
4748590Swap gate in an ion-implanted bubble memory
In a magnetic bubble memory having a first system of aligned ion-implanted patterns and a second system of aligned ion-implanted patterns, a swap gate having a transfer conductor for transferring a magnetic bubble from the second system to the first syste...
05/31/1988
4745578Magnetic bubble memory device
A magnetic bubble memory device comprises contiguous-disk ion-implanted magnetic bubble propagation tracks formed by implanting selectively ions in a magnetic layer which can hold magnetic bubbles. At least one of the disks which form the ion-implanted bu...
05/17/1988
4744052Hybrid magnetic bubble memory device
A hybrid magnetic bubble memory device includes, magnetic bubble propagation tracks formed of partial ion-implantation and bubble propagation tracks formed of a soft magnetic material pattern. At least one of the junctions between the two type tracks is l...
05/10/1988
4744051Magnetic bubble memory device
A magnetic bubble memory device for implementing its high storage density for practical use is generally composed of ion-implanted elements occupying the most part of a minor loop, and other elements made of soft magnetic materials. The ion-implanted mino...
05/10/1988
4720814Magnetic bubble generator for bubble memory in hybrid technology
The bubble memory comprises a magnetic layer in which the magnetic bubble can move under the action of a rotary field, a deposited pattern formed from a high permeability magnetic material and separated from the magnetic layer by an electrical insulating ...
01/19/1988
4711694Process for producing a layer having a high magnetic anisotropy in a ferrimagnetic garnet
Process for producing a ferrimagnetic garnet layer having a high magnetic anisotropy on an amagnetic substrate, wherein it comprises the stages of forming at least one ferrimagnetic garnet layer by epitaxy from the amagnetic substrate, high dose ion impla...
12/08/1987
4642795Thermomagnetic recording system
A region (21) having different magnetic energy from that of other portion is formed in a layer (1b) of soft magnetic material which has an easy axis of magnetization normal to the layer surface and is magnetized in one direction by applying an external bi...
02/10/1987
4621344Magnetic bubble device
A magnetic bubble device has minor loops formed through ion implantation and used for storing information. As the density becomes higher, inside turn corner portions are formed on the minor loops. Dummy patterns having circular, triangular or other shapes...
11/04/1986
4617644High-density magnetic bubble memory device
A high-density magnetic bubble memory device using magnetic bubbles having a diameter not larger than 2 μm comprises a magnetic layer capable of sustaining the bubbles therein, and a propagation pattern formed in or on a surface of the magnetic layer. In...
10/14/1986
4601013Magnetic bubble memory device
Disclosed is a magnetic bubble memory device having a first bubble propagation path formed in an ion-implantation pattern and a second bubble propagation path made of permalloy elments in combination. The majority of the area for forming the second propag...
07/15/1986
4592017Magnetic bubble memory
A magnetic bubble memory is formed of a series of longitudinally oriented minor registers and at least one transversely oriented major access register, all of these registers having patterns with boundaries defined by ionically implanted zones of a magnet...
05/27/1986
4589094Magnetic bubble device
A magnetic bubble device includes ion-implanted bubble propagation tracks of meandering cord-like configuration to assure improved bubble propagation characteristic. Amplitude of a region in which inplane magnetization layer is absent or alternatively thi...
05/13/1986
4584668Magnetic bubble memory device
A magnetic bubble memory device has two types of magnetic bubble propagation tracks. One type of magnetic bubble propagation tracks are formed by implanting ions into a magnetic layer. The other are formed by a soft magnetic material, for example, a perma...
04/22/1986
4578651Magnetooptical modulator
In a magnetic layer of a magnetooptical modulator having fixed magnetic single domain areas, the areas of the layer present between the single domain areas are made electrically conductive by reduction....
03/25/1986
4578775Magnetic bubble memory device
A magnetic bubble memory device is disclosed which is equipped with a minor loop of a magnetic bubble propagation track formed by ion implantation and a major loop or major line of a magnetic bubble propagation track consisting of a soft magnetic film and...
03/25/1986
4568561Process for producing ion implanted bubble device
A process for producing an ion implanted bubble device having bubble propagation tracks formed by implanting ions in a magnetic layer formed on a substrate. The process includes: implanting ions in the magnetic layer for forming a desirable bubble propaga...
02/04/1986
4561069Magnetic bubble memory device gates
A magnetic bubble memory device comprises minor loops for the storage of information and a major loop operably associated with the minor loops through gates, the minor loops being defined by an ion-implanted pattern and the gate portions of the major line...
12/24/1985
4559617Magnetic bubble memory device
A high density magnetic bubble memory device comprises first magnetic bubble propagation tracks formed through ion implantation and second magnetic bubble propagation tracks formed of a soft magnetic material. Regions exclusive of those destined for reali...
12/17/1985
4556582Method of fabricating magnetic bubble memory device
A method of fabricating a magnetic bubble memory device is disclosed in which ions are implanted in a desired portion of a surface region in a magnetic bubble film for magnetic bubbles to form a strain layer having a strain of about 1% to about 2.5%, a fi...
12/03/1985
4556583Method of fabricating magnetic bubble memory device
A method of fabricating a magnetic bubble memory device is disclosed in which a desired portion of a surface region in a magnetic bubble film for magnetic bubbles is implanted with hydrogen ions with an ion dose of 2.5×1016 to 1×1017
12/03/1985
4546452Magnetic bubble device
A magnetic bubble device in which a first propagation path having a cyclic shape formed by selectively implanting ions into a magnetic film capable of holding magnetic bubbles and a second propagation path including soft magnetic material elements are arr...
10/08/1985
4535422Magnetic bubble memory with unimplanted motifs
The invention relates to a magnetic bubble memory having a first layer of monocrystalline magnetic material with at least one crystallographic axis having the property of being aplanar easy magnetization axis, whereby the first layer has groups of unimpla...
08/13/1985
4528645Magnetic bubble memory device
A magnetic bubble memory device is disclosed in which a magnetic bubble propagation circuit for forming a minor loop is formed by ion implantation, and at least part of a major line or major loop and at least part of connecting portions between the minor ...
07/09/1985
4525807Magnetic bubble store with non-implanted motifs and method for controlling the same
A magnetic bubble store, using adjoining non-implanted motifs as bubble-propagating motifs, the store comprising 3n identical, electrically interconnected storage devices, n being a positive integer, which are produced on an identical circuit chip and eac...
06/25/1985
4525808Hybrid magnetic bubble memory device
A hybrid magnetic bubble memory device includes a first magnetic bubble propagation tracks formed of a portion of the boundary between first and second regions of a magnetic medium film having uniaxial anisotropy and adapted to be applied with a magnetic ...
06/25/1985
4516222Laminated magnetic bubble device
Herein disclosed is a laminated magnetic bubble device of a multiple layer structure composed of at least one thin magnetic film having low coercive force and vertically oriented anisotropy which can allow easy generation and erasure of a magnetic bubble,...
05/07/1985
4507755Magnetic bubble memory device
A magnetic bubble memory device comprises a magnetic bubble propagation track formed by ion implantation. A region enclosed by the propagation track and lightly or shallowly implanted with ions on a condition differing from that for forming the propagatio...
03/26/1985
4507754Magnetic bubble propagation device
This device comprises an ionically implanted magnetic garnet layer, in which are defined non-implanted patterns and an electrically conductive layer superimposed on the garnet layer and insulated therefrom. The patterns are islands which are separated fro...
03/26/1985
4503517Magnetic bubble memory device
A magnetic bubble memory device comprises an ion-implanted region for information storage formed in a surface of a magnetic material layer and a permalloy transfer path formed near an ion implantation transfer path defined by the edge of the ion-implanted...
03/05/1985
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