US PATENT SUBCLASS 365 / 39
.~.~ Overlays

Current as of: June, 1999
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365 /   HD   STATIC INFORMATION STORAGE AND RETRIEVAL

1  DF  MAGNETIC BUBBLES {18}
35  DF  .~ Guide structure {4}
39.~.~ Overlays {5}
40  DF  .~.~.~> On opposite sides of storage medium
41  DF  .~.~.~> Dots
42  DF  .~.~.~> Wedges
43  DF  .~.~.~> Chevrons
44  DF  .~.~.~> Rectangular bars

DEFINITION

Classification: 365/39

Overlays:

(under subclass 35) Subject matter where an overlay of permalloy is used to guide the bubble domain along a path or channel.

(1) Note. Not included are common permalloy overlays known as T-I bars and Y-I bars.