Number | Date | Country | Kind |
---|---|---|---|
4-306414 | Oct 1992 | JPX | |
5-107669 | Apr 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3903735 | Wilson | Sep 1975 | |
4126036 | Nilan | Nov 1978 | |
4665739 | Mizuno | May 1987 |
Number | Date | Country |
---|---|---|
3002185 | Dec 1988 | DEX |
Entry |
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DIN 4772, "Electrical Contact (Stylus) Instruments for the Measurement of Surface Roughness by the Profile Method", Nov. 1979, Germany. |
DIN 4774, "Measurement of the Depth of Waviness by Means of Electrical Contact (Stylus) Instruments", Jul. 1981, Germany. |
Tietze, et al., "Halbleiterschal Tungstechnik", 6th Ed., pp. 376, 377 and 390-398, Jan. 1983, Germany. |