Number | Date | Country | Kind |
---|---|---|---|
52-47055 | Apr 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3020437 | Horan | Feb 1962 | |
3275879 | Demarest et al. | Sep 1966 | |
3757105 | McCarthy | Sep 1973 |
Entry |
---|
"Materials and Techniques for Electron Tubes," by W. H. Kohl, Chapter Entitled "Glass-to-Metal Sealing," 1966, p. 416 (Induction Seals), and pp. 443, 444 (Nickel-Chrome-Iron Alloy Seals). |