|  | G |
SECTION G — PHYSICS

NUCLEONICS

|  | G21 |
NUCLEAR PHYSICS; NUCLEAR ENGINEERING

|  | G21K |
TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA- OR X-RAY MICROSCOPES (X-ray technique Fulltext... Hierarchy... Expanded...H05G; plasma technique Fulltext... Hierarchy... Expanded...H05H) [2]

|  | G21K 1/00 |
Arrangements for handling radiation or particles, e.g. focusing, moderating (radiation filters Fulltext... Hierarchy... Expanded...G21K 3/00) [2]

|  | G21K 1/02 |
· | using diaphragms, collimators [2]

|  | G21K 1/04 |
· · | using variable diaphragms, shutters, choppers [2]

|  | G21K 1/06 |
· | using diffraction, refraction, or reflection, e.g. monochromators (Fulltext... Hierarchy... Expanded...G21K 1/10, Fulltext... Hierarchy... Expanded...G21K 7/00 take precedence) [2]

|  | G21K 1/08 |
· | Deviation, concentration, or focusing of the beam by electric or magnetic means (electron-optical arrangements in electric discharge tubes Fulltext... Hierarchy... Expanded...H01J 29/46) [2]

|  | G21K 1/10 |
· | Scattering devices; Absorbing devices [2]

|  | G21K 3/00 |
Radiation filters, e.g. X-ray filters [2]

|  | G21K 5/00 |
Irradiation devices (discharge tubes for irradiating Fulltext... Hierarchy... Expanded...H01J 33/00, Fulltext... Hierarchy... Expanded...H01J 37/00) [2]

|  | G21K 5/02 |
· | having no beam-forming means [2]

|  | G21K 5/04 |
· | with beam-forming means [2]

|  | G21K 5/06 |
· | with provision for relative movement between the radiation source and the object to be irradiated [2]

|  | G21K 5/08 |
· | Holders for targets or for objects to be irradiated [2]

|  | G21K 7/00 |
Gamma- or X-ray microscopes [2]