| | CLASS NOTES |
| 1 | DF | PROCESSES JOINING INDEPENDENT CRYSTALS |
| 2 | DF | PROCESSES OF GROWTH WITH A SUBSEQUENT STEP ACTING ON THE CRYSTAL TO ADJUST THE IMPURITY AMOUNT (E.G., DIFFUSING, DOPING, GETTERING, IMPLANTING) |
| 3 | DF | PROCESSES OF GROWTH WITH A SUBSEQUENT STEP OF HEAT TREATING OR DELIBERATE CONTROLLED COOLING OF THE SINGLE-CRYSTAL |
| 4 | DF | PROCESSES OF GROWTH FROM SOLID OR GEL STATE (E.G., SOLID PHASE RECRYSTALLIZATION) {3} |
| 11 | DF | PROCESSES OF GROWTH FROM LIQUID OR SUPERCRITICAL STATE {7} |
| 84 | DF | FORMING FROM VAPOR OR GASEOUS STATE (E.G., VPE, SUBLIMATION) {8} |
| 200 | DF | APPARATUS {4} |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS Note. Where there is an IPC subclass (or EPO-modified IPC subclass) which substantially encompasses the subject matter of an art collection, even though it may encompass other subject matter as well, it is noted in brackets, {}. |
| | ****************************** |
| 900 | DF | APPARATUS CHARACTERIZED BY COMPOSITION OR TREATMENT THEREOF (E.G., SURFACE FINISH, SURFACE COATING) |
| 901 | DF | LEVITATION, REDUCED GRAVITY, MICROGRAVITY, SPACE |
| 902 | DF | SPECIFIED ORIENTATION, SHAPE, CRYSTALLOGRAPHY, OR SIZE OF SEED OR SUBSTRATE |
| 903 | DF | DENDRITE OR WEB OR CAGE TECHNIQUE |
| 904 | DF | LASER BEAM |
| 905 | DF | ELECTRON BEAM |
| 906 | DF | SPECIAL ATMOSPHERE OTHER THAN VACUUM OR INERT {1} |
| 910 | DF | DOWNWARD PULLING |
| 911 | DF | SEED OR ROD HOLDERS |
| 912 | DF | REPLENISHING LIQUID PRECURSOR, OTHER THAN A MOVING ZONE |
| 913 | DF | GRAPHOEPITAXY OR SURFACE MODIFICATION TO ENHANCE EPITAXY |
| 914 | DF | CRYSTALLIZATION ON A CONTINUOUS MOVING SUBSTRATE OR COOLING SURFACE (E.G., WHEEL, CYLINDER, BELT) |
| 915 | DF | SEPARATING FROM SUBSTRATE |
| 916 | DF | OXYGEN TESTING |
| 917 | DF | MAGNETIC |
| 918 | DF | SINGLE-CRYSTAL WAVEGUIDE {1} |
| 920 | DF | SINGLE-CRYSTALS HAVING A HOLLOW (E.G., TUBE, CONCAVO-CONVEX) {C30B 29/66} |
| 921 | DF | SMALL DIAMETER, ELONGATE, GENERALLY CYLINDRICAL SINGLE-CRYSTAL (E.G., WHISKERS, NEEDLES, FILAMENTS, FIBERS, WIRES) {C30B 29/62} |
| 922 | DF | FREE-STANDING, FLAT SINGLE-CRYSTAL (E.G., PLATELET, PLATE, STRIP, DISK, TAPE, SHEET, RIBBON) {C30B 29/64} |
| 923 | DF | SINGLE-CRYSTAL OF COMPLEX GEOMETRY (E.G., PATTERNED, ELO) {C30B 29/66} |
| 924 | DF | HOMOGENEOUS COMPOSITION PRODUCT WITH ENLARGED CRYSTALS OR ORIENTED-CRYSTALS (E.G., COLUMNAR) |
| 925 | DF | ORGANIC COMPOUND CONTAINING SINGLE-CRYSTAL {C30B 29/54} {2} |
| 928 | DF | SINGLE-CRYSTAL OF PURE OR INTENTIONALLY DOPED ELEMENT {C30B 29/02} {5} |
| 937 | DF | INORGANIC CONTAINING SINGLE-CRYSTAL (E.G., COMPOUND, MIXTURE, COMPOSITE) {C30B 29/10} {10} |
