Metal working – Method of mechanical manufacture – Electrical device making
Patent
1988-09-15
1989-05-16
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
29829, 29853, 156652, 156655, 156656, 1566591, 156902, 204 15, 204 181, 204 445, G11B 5127
Patent
active
048296597
ABSTRACT:
Process for producing a magnetic head with a horizontal structure. A planar subassembly is formed having a first pole piece (38), interconnection tracks (40, 42) and intraconnection tracks (32, 34) through the substrate. The connections are surrounded by a guard ring (54, 56, 58). It is then necessary to form a winding, which is connected to tracks (40, 42) and a second pole piece.
REFERENCES:
patent: 4211603 (1980-07-01), Reed
patent: 4285780 (1981-08-01), Schachter
patent: 4402801 (1983-09-01), Omata et al.
patent: 4625250 (1986-11-01), Shibata
patent: 4639289 (1987-01-01), Lazzari
Japanese Patent Abstracts, vol. 7, No. 150, (P-207) (1295), Jun. 30, 1983 & JP-A-58 60 420, (DDenshi Keisanki Kihon Gijutsu Kenkiyuu Kumiai) 09.04.83.
Japanese Patent Abstracts, vol. 10, No. 22, (P-424) (2079), 28.01.86 JP-A-60 175 207.
Japanese Patent Abstracts, vol. 9, No. 156 (P-368) (1879), 29.06.85 JP-A-60 29 914, (Nippon Denshin Denwa Kosha), 15.02.85.
Japanese Patent Abstracts, vol. 9, No. 304 (P-4090) (2027), 30.11.85; JP-A-60 136 906, (Hitachi Seisakusho K.K.) 20.07.85.
Commissariat a l''Energie Atomique
Echols P. W.
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