Browse Prior Art Database

Magnetic Cryotrons

IP.com Disclosure Number: IPCOM000097297D
Original Publication Date: 1962-Sep-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 29K

Publishing Venue

IBM

Related People

Seki, H: AUTHOR

Abstract

For many applications cryotron gating elements require a biasing field. Generally, this biasing field is provided by having a conductor with current in it positioned over the gating element of the cryotron.

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Magnetic Cryotrons

For many applications cryotron gating elements require a biasing field. Generally, this biasing field is provided by having a conductor with current in it positioned over the gating element of the cryotron.

This structure uses a thin film of ferromagnetic material to provide the biasing field. The drawing shows a substrate S, a gating element A, a control element B and a layer of ferromagnetic material C. Material C is either polarized during the deposition process or it is polarized by placing the entire cryotron in an electromagnetic field.

The various layers are insulated from each other. However, for clarity the insulation is not shown.

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