Number | Date | Country | Kind |
---|---|---|---|
3-302718 | Oct 1991 | JPX | |
4-069319 | Feb 1992 | JPX | |
4-264183 | Sep 1992 | JPX |
Number | Name | Date | Kind |
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3602192 | Grochowski | Aug 1971 | |
4857689 | Lee | Aug 1989 | |
4950870 | Mitsuhashi et al. | Aug 1990 | |
4962063 | Maydan et al. | Oct 1990 | |
4962065 | Brown et al. | Oct 1990 | |
4979464 | Kunze-Concewitz | Dec 1990 | |
5029554 | Miyashita et al. | Jul 1991 | |
5043300 | Nulman | Aug 1991 | |
5058526 | Matsushita et al. | Oct 1991 | |
5116784 | Ushikawa | May 1992 | |
5178639 | Nishi | Jan 1993 |
Number | Date | Country |
---|---|---|
60-67672 | Apr 1985 | JPX |
63-278227 | Nov 1988 | JPX |
Entry |
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J. Appl. Phys., vol. 63, No. 8, 15 Apr. 1988, R60, R99-104. |