公开(公告)号：US2982607A

公开(公告)日：1961-05-02

申请号：US77217458

申请日：1958-11-06

Applicant: IBM

Inventor： MORUZZI VICTOR L ,  CALHOUN BERTRAM A

IPC: C04B35/26

CPC classification number: C04B35/2608

公开(公告)号：US3006856A

公开(公告)日：1961-10-31

申请号：US86332059

申请日：1959-12-31

Applicant: IBM

Inventor： CALHOUN BERTRAM A ,  SHEVEL JR WILBERT L

IPC: C04B35/26

CPC classification number: C04B35/2675

公开(公告)号：US3876994A

公开(公告)日：1975-04-08

申请号：US26536672

申请日：1972-06-22

Applicant: IBM

Inventor： CALHOUN BERTRAM A ,  CHANG HSU ,  ROSIER LAURENCE L ,  SLONCZEWSKI JOHN C

IPC: G11C11/14 ,  G11C19/08

CPC classification number: G11C19/0875 ,  G11C19/0808 ,  G11C19/0816 ,  G11C19/0841 ,  G11C19/085

Abstract: A bias magnetic field H.sub.p is produced in the plane of the magnetic sheet in which bubble domains exist, in any type of bubble domain apparatus. This planar bias field alters the spin system within the domain wall which leads to a change in domain wall mobility. Thus, the presence and absence of the planar bias field can be used as a control to trigger domain propagation and domain collapse throughout the entire magnetic sheet, or in selected portions of the magnetic sheet. Block access of domain information is thereby made possible as well as gating and decoding functions.

公开(公告)号：CA1044368A

公开(公告)日：1978-12-12

申请号：CA208382

申请日：1974-08-30

Applicant: IBM

Inventor： CALHOUN BERTRAM A ,  SLONCZEWSKI JOHN C ,  VOEGELI OTTO

IPC: G11C11/14 ,  G11C19/08

Abstract: SYSTEMS USING LATTICE ARRAYS OF INTERACTIVE ELEMENTS Apparatus is provided using as an integral portion thereof a confined array (such as a lattice) of interactive elements, the interactions among which are largely determinative of the positions of the interactive elements since there is a minimum of position determining structure for the elements within the area of confinement. Magnetic elements are suitable interactive elements, and in particular embodiments are shown using magnetic bubble domains. Means are provided to form lattice arrays of interactive elements, to confine the lattice arrays, and to access elements outside and within the lattice array. In addition, means is provided to code the interactive elements for storage of information, and reading means is provided to detect the information state of the interactive elements when these elements are coded. Various types of lattices and interactive elements can be used.

公开(公告)号：CA945357A

公开(公告)日：1974-04-16

申请号：CA148608

申请日：1972-08-03

Applicant: IBM

Inventor： CALHOUN BERTRAM A ,  GIESS EDWARD A ,  KLOKHOLM ERIK ,  PLASKETT THOMAS S ,  ROSIER LAURENCE L ,  SEIDEN PHILIP E

IPC: H01F10/26 ,  C09D5/23 ,  H01F10/24