Number | Name | Date | Kind |
---|---|---|---|
3868659 | Schwee | Feb 1975 | |
3972595 | Romankiw et al. | Aug 1976 | |
4080591 | Torok | Mar 1978 |
Number | Date | Country |
---|---|---|
1255629 | Dec 1971 | GBX |
Entry |
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IBM Technical Disclosure Bulletin-vol. 17, No. 11; Apr. 1975, pp. 3474-34 7. |
AIP Conference on Magnetism & Magnetic Materials, Dec. 9-12, 1975, pp. 624-625. |