Bubble lattice translation-analysis

Eggenberger, J. S.

doi:10.1063/1.30203

Cited by 9 publications

(4 citation statements)

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“…This is about a factor of four greater than that observed for lattice translation. The 23 K bubble / s mA response is considered to be in reasonable agreement with the value predicted by the deformable lattice model [15] but is significantly less than the 60 K bubble / s rnA value predicted by the rigid lattice model [12]. At current levels above five mA, the column translation rate levels off in a manner similar to that observed for lattice translation.…”

Section: Test Resultsmentioning

confidence: 72%

“…6 is 5.8 K columns/s mA. If we assume a domain wall mobility of 800 m 2 / As, Eggenberger's rigid lattice model [12] 3 would imply a slope of about 60 K columns/s rnA. A calculation by G. R. Henry [t 5], which includes the effects of lattice distortion and bubble size variation, correctly predicts the limiting velocity observed at currents above 15 mA and substantially reduces the difference between calculated and observed slopes.…”

Section: Test Resultsmentioning

confidence: 99%

“…3 is similar to that used earlier [11] and is based on an analysis [12] that assumes that the lattice distortions during translation are negligibly small. The unequal spacing between pairs of conductor lines is due to the fact that the conductors are interconnected in series.…”

Section: Experimental Devicementioning

confidence: 99%

See 2 more Smart Citations

Column Access of a Bubble Lattice: Column Translation and Lattice Translation

et al. 1976

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The use of a regular array. or lattice, of magnetic bubbles for the storage of information requires two kinds of functions: the read-write functions involving the generation and discrimination of bubbles with different wall structures, and the access functions involving the insertion and removal of bubbles at selected locations in the lattice. In a column-accessed bubble lattice device, accessing is accomplished by first translating the lattice to position the desired column of bubbles in an input-output access channel and then translating this column along the channel to a detector area outside of the lattice while simultaneously introducing new bubbles from a generator area at the other end of the channel. An analysis of the influence of device design parameters on access rate indicates that the most important parameters are the column translation rate and lattice capacity. A device is described that was designed to study the translation of a lattice of bubbles and of a single column of bubbles within the lattice. Quasistatic operating margins and dynamic measurements of this test device indicate that the column-access configuration provides feasible means for the rapid access of bubbles from a lattice. Table 1 Bubble diameter and feature size required for a storage density of 105bits!mm 2 •

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Section: Test Resultsmentioning

confidence: 72%

Section: Test Resultsmentioning

confidence: 99%

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Column Access of a Bubble Lattice: Column Translation and Lattice Translation

et al. 1976

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“…29,30 It will also provide the best verification of charge equality in the first two generations of particles and it will improve the determination of the muon mass at the 40 ppb level (a factor 3 better than extracted from the hyperfine splitting measurement 31 ). This experiment will be statistically limited, therefore, ongoing efforts to develop a high-flux and high-brightness slow-muon beam line [32][33][34] promise even higher accuracy.…”

Section: Status Of Muonium 1s-2s Measurementmentioning

confidence: 99%