Number | Date | Country | Kind |
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6-065077 | Apr 1994 | JPX |
Number | Name | Date | Kind |
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5262395 | Ginley et al. | Nov 1993 | |
5356870 | Fujiwara et al. | Oct 1994 |
Number | Date | Country |
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0325765 | Aug 1989 | EPX |
0364101 | Apr 1990 | EPX |
Entry |
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Patent Abstracts of Japan vol. 014, No. 461 5 Oct. 1990. |
Applied Physics letters, 28 Feb. 1994, vol. 64, No. 9 pp. 1153-1155. |