Number | Name | Date | Kind |
---|---|---|---|
3447037 | Nissim | May 1969 | |
3538389 | Levesque et al. | Nov 1970 | |
3609463 | Laboue | Sep 1971 | |
3614832 | Chance et al. | Oct 1971 | |
3772776 | Weisenburger | Nov 1973 | |
3961228 | Briggs et al. | Jun 1976 | |
4019299 | Cosentino et al. | Aug 1978 | |
4544989 | Nakabu et al. | Oct 1985 | |
4631636 | Andrews | Dec 1986 | |
4652970 | Watari et al. | Mar 1987 | |
4689103 | Elarde | Aug 1987 |
Entry |
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Thorpe et al., Multilayer Printed Circuit Board Connections, IBM. Tech. Disc. Bull., vol. #13, #10, May 1971, pp. 3708 & 3709. |