|
| US4013891 | 15 déc. 1975 | 22 mars 1977 | IBM Corporation | Method for varying the diameter of a beam of charged particles |
| US4065671 | 30 mars 1976 | 27 déc. 1977 | Thomson-CSF | Device for detecting X-ray radiation |
| US4080546 | 6 oct. 1975 | 21 mars 1978 | Steigerwald Strahltechnik GmbH | Beam splitter for electron beam machines |
| US4412191 | 27 juil. 1981 | 25 oct. 1983 | Siemens Aktiengesellschaft | Method and arrangement for quantitative potential measurements on surface-wave filters |
| US5518030 | 12 déc. 1994 | 21 mai 1996 | Cummins Engine Company, Inc. | Three-way flow valve with variable drain orifice area |
