Static information storage and retrieval – Magnetic bubbles – Guide structure
Patent
1977-08-26
1983-04-05
Munson, Gene M.
Static information storage and retrieval
Magnetic bubbles
Guide structure
357 91, 365183, 377 63, H01L 2978, G11C 1928, G11C 1134
Patent
active
043793061
ABSTRACT:
A charge coupled device is disclosed which includes a plurality of stages having increased charge storage capacity and decreased leakage current. Each stage is comprised of a semiconductor substrate of a first-type conductivity having a first surface. A charge transfer channel extends through the stage. An insulating layer of non-uniform thickness lies on the first surface. The insulating layer has at least two spaced apart relatively thick portions traversing the channel, and has relatively thin portions traversing the channel throughout the spaces between the spaced apart thick portions. Phase electrodes traverse the channel such that each phase electrode overlies one relatively thick portion and one adjacent relatively thin portion of the insulating layer. A shallow dopant layer of a second-type conductivity lies throughout the channel relatively near to the first surface. An enhanced first-type conductivity dopant layer lies throughout the channel relatively far from the first surface and has a doping which is greater than the doping of the first-type conductivity semiconductor substrate.
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Chatterjee Pallab K.
Tasch, Jr. Aloysious F.
Comfort James T.
Hiller William E.
Munson Gene M.
Sharp Melvin
Texas Instruments Incorporated
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