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| Number | Title | Issue Date |
| 7760529 | Systems and methods for digital transport of paramagnetic particles on magnetic garnet films Systems and methods are provided for digital transport of paramagnetic particles. The systems and methods may include providing a magnetic garnet film having a plurality of magnetic domain walls, disposing a liquid solution on a surface of the magnetic garnet film, ... | 07/20/2010 |
| 7342276 | Method and apparatus utilizing monocrystalline insulator A semiconductor device, including: a semiconductor material; a conductive element; and a substantially monocrystalline insulator disposed between the semiconductor material and the conductive eleme... | 03/11/2008 |
| 4250565 | Symmetrical memory plane for cross-tie wall memory system Disclosed is a cross-tie wall memory system for the generating, propagating and detecting of binary data represented by the presence or absence of cross-tie, Bloch-line pairs along a cross-tie wall in a thin magnetic layer. The system includes a three-lev... | 02/10/1981 |
| 4198691 | Compact exchange switch for bubble domain devices A magnetic bubble domain circuit component for selectively, substantially concurrently, exchanging bubble domains from adjacent propagation paths. The exchange switch defined herein is an active (i.e. a control current is required) switch. The improved de... | 04/15/1980 |
| 4179749 | Defect tolerant scheme for a bubble lattice file A defect tolerant lattice file memory having means in the access column for annihilating lattice bubbles in a previously detected defective row thus eliminating an error in the digital information to be extracted from the lattice file. This annihilation m... | 12/18/1979 |
| 4172290 | Closed loop propagation pattern for bubble lattices A bubble storage system includes a closed loop propagation pattern suitable for use with a bubble lattice. The closed loop propagation pattern is folded and contains, for example, segments of a hexagonal lattice connected by 60° turns to obtain a close p... | 10/23/1979 |
| 4122536 | Self-organizing magnetic bubble lattice file A structure and technique are provided for improving the average access time in a bubble lattice file (BLF) storage, and for providing reordering capability in the lattice file. The bubble lattice arrangement includes a translation structure for moving bu... | 10/24/1978 |
| 4075612 | Rounded serrated edge film strip geometry for cross-tie wall memory system The design of a magnetic film strip for defining the data track of a cross-tie wall memory system is disclosed. The design involves the conformation or shaping of the opposing edges of the film strip into repetitive, rounded, asymmetrical serrated edge co... | 02/21/1978 |
| 4075708 | Large capacity major-minor loop bubble domain memory with redundancy A large capacity bubble memory device using a basic major-minor loop storage cell design. The basic storage cell is repeated, typically in matrix form, on a suitable bubble domain structure. The cell design is arranged so that interconnecting elements bet... | 02/21/1978 |
| 4064496 | Wavering conductor loops for magnetic domain memories Disclosed are magnetic domain (bubble) memory arrays and correlator type memory arrays in uniaxially anisotropic crystals which utilize wavering loop conductor patterns at each bit location defining three contiguous magnetic domain retaining regions. On c... | 12/20/1977 |
| 4052708 | Circular magnetic domain devices A cylindrical magnetic domain device which includes a layer of uniaxial magnetic material having a unique easy magnetization direction substantially normal to a major surface thereof; generating means for generating cylindrical magnetic domains within the... | 10/04/1977 |
| 4028685 | Field access propagation of bubble lattice A rotating field access pattern for use in the propagation of a bubble lattice is disclosed. The pattern contains a set of diamond shaped magnetic elements arranged in a regular array. The elements have two sides which are parallel to one bubble lattice a... | 06/07/1977 |
| 4023150 | Bubble translation system A bubble lattice translation system is disclosed. The system is a combination of two arrays of parallel conductors and confining means. One array of parallel conductors is oriented at an angle of 60° to the lattice translation axis. All of these conducto... | 05/10/1977 |
| 4015249 | Transfer of domains between fields A system suitable to transfer a bubble domain from one field to a second field where the field is the largest area formed by exposing a pattern and which all of the dimensions are critical is disclosed. A magnetic domain is propagated out of the first fie... | 03/29/1977 |
| 3996577 | Method and apparatus for the controlled generation of wall-encoded magnetic bubble domains A magnetic layer is exchange coupled to a bubble medium in an area where bubble domains are nucleated, and is used together with or without an externally applied in-plane magnetic field to controllably generate bubble domains with either one pair (S = 0) ... | 12/07/1976 |
| 3996572 | Very high density gapless propagation structure for bubble domains The undulating longitudinal edge of a continuous elongated structure of magnetic material forms a bubble domain propagation path for implementing the continuous movement of magnetic bubble domains under the control of a reorienting in-plane magnetic field... | 12/07/1976 |
| 3996571 | Double layer bubble domain lattice system A bubble domain lattice system in which information exists as the presence and absence of bubble domains. A lattice exists in a conveyor layer and lattice bubble domains are coupled (magnetostatically or by exchange forces) to information bubble domains i... | 12/07/1976 |
| 3982234 | Hard-magnetic film overlay apparatus and method for magnetic mobile domain control Stationary patterns of magnetic domains in a film layer of magnetically hard material define local field gradients for movement control of single-wall domains located in a contiguous sheet of magnetic "bubble" material. Suitable patterns of uniformly magn... | 09/21/1976 |
