Browse Prior Art Database

Reflowing of Core Coatings

IP.com Disclosure Number: IPCOM000095308D
Original Publication Date: 1965-Nov-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 33K

Publishing Venue

IBM

Related People

Bolda, FJ: AUTHOR [+3]

Abstract

Nonhardening dielectric resins used for coating cores can be melted to form core-wire fillets. These mechanically stabilize the cores.

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Reflowing of Core Coatings

Nonhardening dielectric resins used for coating cores can be melted to form core-wire fillets. These mechanically stabilize the cores.

Nonhardening dielectric resins are sprayed on cores 10 to dampen the magnetostrictive ringing of the cores. These liquids form coatings on the cores which give poor mechanical bonds between wires 12, 14, and 16 and cores 10. Because of the poor mechanical bonds, some of the cores are free to vibrate and bounce on the wires cutting the wires and damaging the cores.

To eliminate this vibration and bouncing, the memory planes are heated until the nonhardening dielectric resin flows and forms core wire fillets 18. When the planes are cooled, the viscosity of these fillets 18 increases. The fillets form a mechanical bond between the wires and cores which prevents the vibration and bouncing of the cores on the wires.

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