Class 438 SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 - 13 | H 01 L | 21 / 00 |
| 14 - 18 | G 01 R | 31 / 26 |
| 14 - 18 | H 01 L | 21 / 66 |
| 19 - 98 | H 01 L | 21 / 00 |
| 100 - 101 | H 01 L | 21 / 44 |
| 102 - 103 | H 01 L | 21 / 06 |
| 104 | H 01 L | 21 / 00 |
| 104 | H 01 L | 21 / 16 |
| 105 - 127 | H 01 L | 21 / 00 |
| 128 - 132 | H 01 L | 21 / 82 |
| 133 - 140 | H 01 L | 21 / 332 |
| 141 | H 01 L | 21 / 20 |
| 142 - 143 | H 01 L | 21 / 335 |
| 142 - 143 | H 01 L | 21 / 8232 |
| 144 - 148 | H 01 L | 21 / 339 |
| 149 - 166 | H 01 L | 21 / 00 |
| 149 - 166 | H 01 L | 21 / 84 |
| 167 - 185 | H 01 L | 21 / 338 |
| 186 - 196 | H 01 L | 21 / 337 |
| 197 - 198 | H 01 L | 21 / 336 |
| 197 - 198 | H 01 L | 21 / 8234 |
| 199 - 233 | H 01 L | 21 / 8238 |
| 234 - 236 | H 01 L | 21 / 8249 |
| 237 | H 01 L | 21 / 8234 |
| 238 | H 01 L | 21 / 8234 |
| 257 - 274 | H 01 L | 21 / 336 |
| 275 | H 01 L | 21 / 8234 |
| 276 - 278 | H 01 L | 21 / 8236 |
| 279 - 308 | H 01 L | 21 / 336 |
| 309 - 321 | H 01 L | 21 / 331 |
| 309 - 321 | H 01 L | 21 / 8222 |
| 322 - 327 | H 01 L | 21 / 8228 |
| 328 - 332 | H 01 L | 21 / 8222 |
| 333 - 335 | H 01 L | 21 / 331 |
| 336 | H 01 L | 21 / 8224 |
| 337 - 339 | H 01 L | 21 / 331 |
| 340 | H 01 L | 21 / 8222 |
| 341 - 378 | H 01 L | 21 / 331 |
| 379 - 399 | H 01 L | 21 / 20 |
| 400 - 454 | H 01 L | 21 / 76 |
| 455 - 459 | H 01 L | 21 / 30 |
| 455 - 459 | H 01 L | 21 / 46 |
| 460 - 465 | H 01 L | 21 / 00 |
| 466 - 470 | H 01 L | 21 / 326 |
| 466 - 470 | H 01 L | 21 / 479 |
| 471 - 477 | H 01 L | 21 / 322 |
| 478 - 479 | H 01 L | 21 / 20 |
| 478 - 479 | H 01 L | 21 / 36 |
| 480 | H 01 L | 21 / 00 |
| 481 | H 01 L | 21 / 20 |
| 481 | H 01 L | 21 / 36 |
| 482 | H 01 L | 21 / 00 |
| 483 | H 01 L | 21 / 20 |
| 483 | H 01 L | 21 / 36 |
| 483 | H 01 L | 31 / 20 |
| 484 | C 23 C | 16 / 54 |
| 484 | H 01 L | 21 / 20 |
| 484 | H 01 L | 21 / 36 |
| 485 | H 01 L | 21 / 00 |
| 486 - 487 | H 01 L | 21 / 20 |
| 486 - 487 | H 01 L | 21 / 36 |
| 488 | C 23 C | 16 / 24 |
| 488 | H 01 L | 21 / 20 |
| 488 | H 01 L | 21 / 36 |
| 489 | H 01 L | 21 / 20 |
| 489 | H 01 L | 21 / 36 |
| 490 | C 30 B | 11 / 00 |
| 490 | H 01 L | 21 / 20 |
| 490 | H 01 L | 21 / 36 |
| 491 | H 01 L | 21 / 00 |
| 492 - 494 | H 01 L | 21 / 20 |
| 492 - 494 | H 01 L | 21 / 36 |
| 495 | H 01 L | 21 / 00 |
| 496 | H 01 L | 21 / 20 |
| 496 | H 01 L | 21 / 36 |
| 497 | H 01 G | 9 / 20 |
| 497 | H 01 L | 21 / 20 |
| 497 | H 01 L | 21 / 36 |
| 498 - 501 | H 01 L | 21 / 00 |
| 502 | H 01 L | 21 / 20 |
| 502 | H 01 L | 21 / 36 |
| 502 | H 01 L | 33 / 00 |
| 503 - 504 | H 01 L | 21 / 20 |
| 503 - 504 | H 01 L | 21 / 36 |
| 505 - 506 | H 01 L | 21 / 00 |
| 507 | H 01 L | 21 / 20 |
| 507 | H 01 L | 21 / 36 |
| 508 - 509 | H 01 L | 21 / 20 |
| 508 - 509 | H 01 L | 21 / 36 |
| 508 - 509 | H 01 L | 33 / 00 |
| 510 - 511 | H 01 L | 21 / 04 |
| 512 | H 01 L | 21 / 261 |
| 513 | H 01 L | 21 / 26 |
| 513 | H 01 L | 21 / 42 |
| 514 - 517 | H 01 L | 21 / 425 |
| 518 - 523 | H 01 L | 21 / 265 |
| 524 - 534 | H 01 L | 21 / 425 |
| 535 - 536 | H 01 L | 21 / 26 |
| 535 - 536 | H 01 L | 21 / 42 |
| 537 - 541 | H 01 L | 21 / 24 |
| 537 - 541 | H 01 L | 21 / 40 |
| 542 - 569 | H 01 L | 21 / 22 |
| 542 - 569 | H 01 L | 21 / 38 |
| 570 - 583 | H 01 L | 21 / 28 |
| 570 - 583 | H 01 L | 21 / 44 |
| 584 | H 01 L | 21 / 20 |
| 585 - 596 | H 01 L | 21 / 3205 |
| 585 - 596 | H 01 L | 21 / 4763 |
| 597 - 601 | H 01 L | 21 / 44 |
| 602 - 606 | H 01 L | 21 / 28 |
| 602 - 606 | H 01 L | 21 / 3205 |
| 607 - 617 | H 01 L | 21 / 44 |
| 618 - 651 | H 01 L | 21 / 4763 |
| 652 - 688 | H 01 L | 21 / 44 |
| 689 - 693 | H 01 L | 21 / 302 |
| 689 - 693 | H 01 L | 21 / 461 |
| 694 - 703 | H 01 L | 21 / 311 |
| 704 - 757 | H 01 L | 21 / 302 |
| 704 - 757 | H 01 L | 21 / 461 |
| 758 - 794 | H 01 L | 21 / 31 |
| 758 - 794 | H 01 L | 21 / 469 |
| 795 - 800 | H 01 L | 21 / 00 |