Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1986-08-18
1988-09-20
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156DIG63, 365 33, 427131, 427132, 428216, 428336, 428692, 428693, 428900, 4284735, 4284777, 428458, G11C 1102
Patent
active
047725052
ABSTRACT:
The inclination angle, in the conductor pattern end portion of a magnetic bubble memory element having a bubble diameter of up to 1.2 .mu.m, can be remarkably reduced by employing a polymer resin, having fluidity in a curing process, as the insulation film under the conductor pattern, so that the transfer margin is greatly improved.
REFERENCES:
patent: 3179634 (1965-04-01), Edwards
patent: 4229248 (1980-10-01), Silverman
patent: 4262054 (1981-04-01), Umezaki et al.
patent: 4664941 (1987-05-01), Washburn
T. W. Hou, et al, "Ion Milling Planarization for Magnetic Bubble Devices," J. Vac. Sci. Technol. A1(4), Oct.-Dec. 1983, pp. 1801-1805.
Koyama Naoki
Matsuyama Haruhiko
Shoji Fusaji
Suzuki Ryo
Takeshita Masatoshi
Hitachi , Ltd.
Robinson Ellis P.
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